---
title: "Hardline - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Hardline is a secure collaboration and VOIP app. Calls and messages are encrypted end-to-end. Hardline requires a paid account with East37 LLC. For more information, please contact us at info@east37.n"
---

# Hardline — United States
> Secure Voice and Messaging

![Hardline App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/ad/cd/74/adcd7456-7e0e-f8ac-d36a-bb62beef34bc/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/434x0w.png)

**Developer:** [East 37](https://apptail.io/developer/east-37-gJZd)
**Category:** Business
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** net.east37.hardline
**Store:** Apple App Store
**Country:** United States
**Version:** 1.7.16 (released 2025-09-25)
**Original Release:** 2018-07-28
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1232466638)
**AppTail Page:** [https://apptail.io/app/hardline-IArj/united-states](https://apptail.io/app/hardline-IArj/united-states)

## Hardline Description
Hardline is a secure collaboration and VOIP app. Calls and messages are encrypted end-to-end. Hardline requires a paid account with East37 LLC. For more information, please contact us at info@east37.net

## Hardline Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/8f/d5/1e/8fd51e5d-b9fd-f020-ea0d-44d52b4cb580/0_APP_IPHONE_65_0.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/3c/f0/0b/3cf00bb3-996b-faa8-6560-05f7291a8178/1_APP_IPHONE_65_1.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/19/53/23/1953239b-e915-de1e-4be1-f873a1582c72/2_APP_IPHONE_65_2.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/42/43/95/42439599-8ec2-b707-19f0-72d0edbe8290/pr_source.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/58/1d/85/581d8529-0508-1a14-eaf0-c867b42e057f/pr_source.png/1242x2688.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/da/2e/7b/da2e7b22-5eda-cfdb-d196-c3580ea872e0/pr_source.png/1242x2688.png)






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## Hardline Available In
- [United Arab Emirates](https://apptail.io/app/hardline-IArj/united-arab-emirates)
- [Brazil](https://apptail.io/app/hardline-IArj/brazil)
- [Belarus](https://apptail.io/app/hardline-IArj/belarus)
- [Canada](https://apptail.io/app/hardline-IArj/canada)
- [Switzerland](https://apptail.io/app/hardline-IArj/switzerland)
- [Germany](https://apptail.io/app/hardline-IArj/germany)
- [Egypt](https://apptail.io/app/hardline-IArj/egypt)
- [Spain](https://apptail.io/app/hardline-IArj/spain)
- [Greece](https://apptail.io/app/hardline-IArj/greece)
- [Ireland](https://apptail.io/app/hardline-IArj/ireland)
- [India](https://apptail.io/app/hardline-IArj/india)
- [Japan](https://apptail.io/app/hardline-IArj/japan)
- [South Korea](https://apptail.io/app/hardline-IArj/south-korea)
- [Lebanon](https://apptail.io/app/hardline-IArj/lebanon)
- [Malaysia](https://apptail.io/app/hardline-IArj/malaysia)
- [Nigeria](https://apptail.io/app/hardline-IArj/nigeria)
- [Netherlands](https://apptail.io/app/hardline-IArj/netherlands)
- [Norway](https://apptail.io/app/hardline-IArj/norway)
- [New Zealand](https://apptail.io/app/hardline-IArj/new-zealand)
- [Philippines](https://apptail.io/app/hardline-IArj/philippines)
- [Russia](https://apptail.io/app/hardline-IArj/russia)
- [Saudi Arabia](https://apptail.io/app/hardline-IArj/saudi-arabia)
- [United States](https://apptail.io/app/hardline-IArj/united-states)
- [Vietnam](https://apptail.io/app/hardline-IArj/vietnam)

---

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