ARK Builders
@ark-builders.dev
ARK Builders crafts contemporary software for all platforms, with the mission to elevate daily user experiences through privacy enhancements and seamless cross-device synchronization.
https://www.ark-builders.dev
https://www.ark-builders.dev
💡 ARK Rate: Currency conversion that works when you need it most.
(Android + iOS)
(Android + iOS)
January 9, 2026 at 12:00 AM
💡 ARK Rate: Currency conversion that works when you need it most.
(Android + iOS)
(Android + iOS)
What to do next:
Download ARK Rate at the airport before you fly.
Download: ark-builders.dev/apps/rate
Download ARK Rate at the airport before you fly.
Download: ark-builders.dev/apps/rate
January 9, 2026 at 12:00 AM
What to do next:
Download ARK Rate at the airport before you fly.
Download: ark-builders.dev/apps/rate
Download ARK Rate at the airport before you fly.
Download: ark-builders.dev/apps/rate
Why is it free?
It’s open-source. No servers = no costs. Your data stays on your phone = nothing to sell. Just a high level developers fixing a problem
It’s open-source. No servers = no costs. Your data stays on your phone = nothing to sell. Just a high level developers fixing a problem
January 9, 2026 at 12:00 AM
Why is it free?
It’s open-source. No servers = no costs. Your data stays on your phone = nothing to sell. Just a high level developers fixing a problem
It’s open-source. No servers = no costs. Your data stays on your phone = nothing to sell. Just a high level developers fixing a problem
Secret bonus feature:
Track your crypto portfolio privately. 🔐
Enter your crypto holdings manually.
See your total value in any currency.
All your data stays on your phone.
Track your crypto portfolio privately. 🔐
Enter your crypto holdings manually.
See your total value in any currency.
All your data stays on your phone.
January 9, 2026 at 12:00 AM
Secret bonus feature:
Track your crypto portfolio privately. 🔐
Enter your crypto holdings manually.
See your total value in any currency.
All your data stays on your phone.
Track your crypto portfolio privately. 🔐
Enter your crypto holdings manually.
See your total value in any currency.
All your data stays on your phone.
✓ No ads. Ever. 🚫
✓ No login needed. 💨
✓ 200+ currencies (including weird ones). 💱
✓ 100+ cryptocurrencies too. 💱
✓ Tiny app (15MB total). 🤏🏻
✓ No login needed. 💨
✓ 200+ currencies (including weird ones). 💱
✓ 100+ cryptocurrencies too. 💱
✓ Tiny app (15MB total). 🤏🏻
January 9, 2026 at 12:00 AM
✓ No ads. Ever. 🚫
✓ No login needed. 💨
✓ 200+ currencies (including weird ones). 💱
✓ 100+ cryptocurrencies too. 💱
✓ Tiny app (15MB total). 🤏🏻
✓ No login needed. 💨
✓ 200+ currencies (including weird ones). 💱
✓ 100+ cryptocurrencies too. 💱
✓ Tiny app (15MB total). 🤏🏻
ARK Rate was built for that exact moment. ARK Rate is different. What makes it better:
January 9, 2026 at 12:00 AM
ARK Rate was built for that exact moment. ARK Rate is different. What makes it better:
Every currency converter app on your phone:
🚫 They need internet
🚫 They show ads
🚫 They want you to login
🚫 They don’t have the currency you need.
These apps work great at home on your couch. But in the moment you actually need them? Useless.
Except one.
🚫 They need internet
🚫 They show ads
🚫 They want you to login
🚫 They don’t have the currency you need.
These apps work great at home on your couch. But in the moment you actually need them? Useless.
Except one.
January 9, 2026 at 12:00 AM
Every currency converter app on your phone:
🚫 They need internet
🚫 They show ads
🚫 They want you to login
🚫 They don’t have the currency you need.
These apps work great at home on your couch. But in the moment you actually need them? Useless.
Except one.
🚫 They need internet
🚫 They show ads
🚫 They want you to login
🚫 They don’t have the currency you need.
These apps work great at home on your couch. But in the moment you actually need them? Useless.
Except one.
You grab your phone Open your currency app. And see: “No internet connection.”
That panic? Everyone feels it.
That panic? Everyone feels it.
January 9, 2026 at 12:00 AM
You grab your phone Open your currency app. And see: “No internet connection.”
That panic? Everyone feels it.
That panic? Everyone feels it.
You land in Tokyo. You’re exhausted. The taxi driver says “¥3,500.”
Wait… is that $30 or $300?
No SIM card yet. No WiFi.
Wait… is that $30 or $300?
No SIM card yet. No WiFi.
January 9, 2026 at 12:00 AM
You land in Tokyo. You’re exhausted. The taxi driver says “¥3,500.”
Wait… is that $30 or $300?
No SIM card yet. No WiFi.
Wait… is that $30 or $300?
No SIM card yet. No WiFi.
Every currency converter app on your phone:
🚫 They need internet
🚫 They show ads
🚫 They want you to login
🚫 They don’t have the currency you need.
These apps work great at home on your couch. But in the moment you actually need them? Useless.
Except one.
🚫 They need internet
🚫 They show ads
🚫 They want you to login
🚫 They don’t have the currency you need.
These apps work great at home on your couch. But in the moment you actually need them? Useless.
Except one.
January 9, 2026 at 12:00 AM
Every currency converter app on your phone:
🚫 They need internet
🚫 They show ads
🚫 They want you to login
🚫 They don’t have the currency you need.
These apps work great at home on your couch. But in the moment you actually need them? Useless.
Except one.
🚫 They need internet
🚫 They show ads
🚫 They want you to login
🚫 They don’t have the currency you need.
These apps work great at home on your couch. But in the moment you actually need them? Useless.
Except one.
Why is it free?
It’s open-source. No servers = no costs.
Your data stays on your phone = nothing to sell.
Just a high level developers fixing a problem.
It’s open-source. No servers = no costs.
Your data stays on your phone = nothing to sell.
Just a high level developers fixing a problem.
January 8, 2026 at 12:00 AM
Why is it free?
It’s open-source. No servers = no costs.
Your data stays on your phone = nothing to sell.
Just a high level developers fixing a problem.
It’s open-source. No servers = no costs.
Your data stays on your phone = nothing to sell.
Just a high level developers fixing a problem.
Secret bonus feature:
Track your crypto portfolio privately. 🔐
Enter your crypto holdings manually.
See your total value in any currency.
All your data stays on your phone.
Track your crypto portfolio privately. 🔐
Enter your crypto holdings manually.
See your total value in any currency.
All your data stays on your phone.
January 8, 2026 at 12:00 AM
Secret bonus feature:
Track your crypto portfolio privately. 🔐
Enter your crypto holdings manually.
See your total value in any currency.
All your data stays on your phone.
Track your crypto portfolio privately. 🔐
Enter your crypto holdings manually.
See your total value in any currency.
All your data stays on your phone.
✓ No ads. Ever. 🚫
✓ No login needed. 💨
✓ 200+ currencies (including weird ones). 💱
✓ 100+ cryptocurrencies too. 💱
✓ Tiny app (15MB total). 🤏🏻
✓ No login needed. 💨
✓ 200+ currencies (including weird ones). 💱
✓ 100+ cryptocurrencies too. 💱
✓ Tiny app (15MB total). 🤏🏻
January 8, 2026 at 12:00 AM
✓ No ads. Ever. 🚫
✓ No login needed. 💨
✓ 200+ currencies (including weird ones). 💱
✓ 100+ cryptocurrencies too. 💱
✓ Tiny app (15MB total). 🤏🏻
✓ No login needed. 💨
✓ 200+ currencies (including weird ones). 💱
✓ 100+ cryptocurrencies too. 💱
✓ Tiny app (15MB total). 🤏🏻
ARK Rate was built for that exact moment. ARK Rate is different. What makes it better:
January 8, 2026 at 12:00 AM
ARK Rate was built for that exact moment. ARK Rate is different. What makes it better:
Every currency converter app on your phone:
🚫 They need internet
🚫 They show ads
🚫 They want you to login
🚫 They don’t have the currency you need.
These apps work great at home on your couch. But in the moment you actually need them? Useless.
Except one.
🚫 They need internet
🚫 They show ads
🚫 They want you to login
🚫 They don’t have the currency you need.
These apps work great at home on your couch. But in the moment you actually need them? Useless.
Except one.
January 8, 2026 at 12:00 AM
Every currency converter app on your phone:
🚫 They need internet
🚫 They show ads
🚫 They want you to login
🚫 They don’t have the currency you need.
These apps work great at home on your couch. But in the moment you actually need them? Useless.
Except one.
🚫 They need internet
🚫 They show ads
🚫 They want you to login
🚫 They don’t have the currency you need.
These apps work great at home on your couch. But in the moment you actually need them? Useless.
Except one.
No SIM card yet. No WiFi.
You grab your phone Open your currency app. And see: “No internet connection.”
That panic? Everyone feels it.
You grab your phone Open your currency app. And see: “No internet connection.”
That panic? Everyone feels it.
January 8, 2026 at 12:00 AM
No SIM card yet. No WiFi.
You grab your phone Open your currency app. And see: “No internet connection.”
That panic? Everyone feels it.
You grab your phone Open your currency app. And see: “No internet connection.”
That panic? Everyone feels it.
You land in Tokyo. You’re exhausted. The taxi driver says “¥3,500.”
Wait… is that $30 or $300?
Wait… is that $30 or $300?
January 8, 2026 at 12:00 AM
You land in Tokyo. You’re exhausted. The taxi driver says “¥3,500.”
Wait… is that $30 or $300?
Wait… is that $30 or $300?
Cloud apps: You rent access. They own the data.
Local-first apps: You own the data. It lives on your device.
If ARK Builders shuts down tomorrow?
Your apps keep working.
Your data stays yours.
That's ownership.
Stop renting. Start owning.
ark-builders.dev
Local-first apps: You own the data. It lives on your device.
If ARK Builders shuts down tomorrow?
Your apps keep working.
Your data stays yours.
That's ownership.
Stop renting. Start owning.
ark-builders.dev
December 28, 2025 at 12:30 AM
Cloud apps: You rent access. They own the data.
Local-first apps: You own the data. It lives on your device.
If ARK Builders shuts down tomorrow?
Your apps keep working.
Your data stays yours.
That's ownership.
Stop renting. Start owning.
ark-builders.dev
Local-first apps: You own the data. It lives on your device.
If ARK Builders shuts down tomorrow?
Your apps keep working.
Your data stays yours.
That's ownership.
Stop renting. Start owning.
ark-builders.dev
2017:
Google Docs locked thousands of users out of their documents.
Automated system flagged them as "abusive."
No warning. No appeal. Just... locked out.
Your work. Their servers. Their rules.
www.wired.com/story/google...
www.theguardian.com/technology/2...
Google Docs locked thousands of users out of their documents.
Automated system flagged them as "abusive."
No warning. No appeal. Just... locked out.
Your work. Their servers. Their rules.
www.wired.com/story/google...
www.theguardian.com/technology/2...
December 28, 2025 at 12:30 AM
2017:
Google Docs locked thousands of users out of their documents.
Automated system flagged them as "abusive."
No warning. No appeal. Just... locked out.
Your work. Their servers. Their rules.
www.wired.com/story/google...
www.theguardian.com/technology/2...
Google Docs locked thousands of users out of their documents.
Automated system flagged them as "abusive."
No warning. No appeal. Just... locked out.
Your work. Their servers. Their rules.
www.wired.com/story/google...
www.theguardian.com/technology/2...
You think you own your data.
You don't.
You're renting it.
And your landlord can evict you anytime. 🧵
You don't.
You're renting it.
And your landlord can evict you anytime. 🧵
December 28, 2025 at 12:30 AM
You think you own your data.
You don't.
You're renting it.
And your landlord can evict you anytime. 🧵
You don't.
You're renting it.
And your landlord can evict you anytime. 🧵
Traditional cloud apps:
- Trust server provider's security
- Trust encryption implementation
- Trust data deletion policies
- Trust employee access controls
- Trust third-party audits
ARK local-first apps:
- Trust your own device security
- Audit open-source code
- Verify encryption mathematically
- Trust server provider's security
- Trust encryption implementation
- Trust data deletion policies
- Trust employee access controls
- Trust third-party audits
ARK local-first apps:
- Trust your own device security
- Audit open-source code
- Verify encryption mathematically
December 24, 2025 at 3:00 AM
Traditional cloud apps:
- Trust server provider's security
- Trust encryption implementation
- Trust data deletion policies
- Trust employee access controls
- Trust third-party audits
ARK local-first apps:
- Trust your own device security
- Audit open-source code
- Verify encryption mathematically
- Trust server provider's security
- Trust encryption implementation
- Trust data deletion policies
- Trust employee access controls
- Trust third-party audits
ARK local-first apps:
- Trust your own device security
- Audit open-source code
- Verify encryption mathematically
Most apps need constant internet connection.
Your data typically lives on remote servers, processed in ways that may surprise you.
We're developers creating open-source tools that work offline-first and peer-to-peer. Your data stays on your devices unless you choose otherwise.
🔗 ark-builders.dev
Your data typically lives on remote servers, processed in ways that may surprise you.
We're developers creating open-source tools that work offline-first and peer-to-peer. Your data stays on your devices unless you choose otherwise.
🔗 ark-builders.dev
December 23, 2025 at 10:16 AM
Most apps need constant internet connection.
Your data typically lives on remote servers, processed in ways that may surprise you.
We're developers creating open-source tools that work offline-first and peer-to-peer. Your data stays on your devices unless you choose otherwise.
🔗 ark-builders.dev
Your data typically lives on remote servers, processed in ways that may surprise you.
We're developers creating open-source tools that work offline-first and peer-to-peer. Your data stays on your devices unless you choose otherwise.
🔗 ark-builders.dev
Client-Server apps still dominate software despite quietly eroding privacy and data ownership. We just refreshed our old but important article about how the Local-First movement tackles these issues:
ark-builders.medium.com/what-is-loca...
ark-builders.medium.com/what-is-loca...
November 30, 2025 at 1:51 PM
Client-Server apps still dominate software despite quietly eroding privacy and data ownership. We just refreshed our old but important article about how the Local-First movement tackles these issues:
ark-builders.medium.com/what-is-loca...
ark-builders.medium.com/what-is-loca...
You don’t need a six-figure income to travel full-time, you need a system. Budgeting, remote work, and going where your money stretches further can make the difference.
When you shift from vacation mode to sustainable travel mode, freedom becomes a lifestyle, not a luxury.
#travel #digitalnomad
When you shift from vacation mode to sustainable travel mode, freedom becomes a lifestyle, not a luxury.
#travel #digitalnomad
March 8, 2025 at 3:40 PM
You don’t need a six-figure income to travel full-time, you need a system. Budgeting, remote work, and going where your money stretches further can make the difference.
When you shift from vacation mode to sustainable travel mode, freedom becomes a lifestyle, not a luxury.
#travel #digitalnomad
When you shift from vacation mode to sustainable travel mode, freedom becomes a lifestyle, not a luxury.
#travel #digitalnomad
10 minutes of reading per day = 12+ books a year
30 minutes of walking per day = 100+ miles in a few months
1 page of writing per day = a full book in a year
$10 saved per day = $3,650 in a year
Each small habit builds confidence & momentum.
Consistency beats intensity EVERY time.
30 minutes of walking per day = 100+ miles in a few months
1 page of writing per day = a full book in a year
$10 saved per day = $3,650 in a year
Each small habit builds confidence & momentum.
Consistency beats intensity EVERY time.
March 5, 2025 at 9:51 AM
10 minutes of reading per day = 12+ books a year
30 minutes of walking per day = 100+ miles in a few months
1 page of writing per day = a full book in a year
$10 saved per day = $3,650 in a year
Each small habit builds confidence & momentum.
Consistency beats intensity EVERY time.
30 minutes of walking per day = 100+ miles in a few months
1 page of writing per day = a full book in a year
$10 saved per day = $3,650 in a year
Each small habit builds confidence & momentum.
Consistency beats intensity EVERY time.