# Whisper vs HartBR Devices

The clearest difference is update cadence: Whisper at every 4 days against HartBR Devices's every 3 weeks. HartBR Devices's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Whisper ships an update every 4 days, HartBR Devices every 3 weeks. Both last shipped on October 2, 2026.

## The numbers

| Metric | Whisper | HartBR Devices |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 2 MB | 64 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [昱昕 陈](https://appshunter.io/developer/1400361655) | [Ricardo Moura](https://appshunter.io/developer/1849237487) |

## What reviewers say

### Whisper

[App page](https://appshunter.io/ios/app/whisper-text-encryption/id6737430843)

**Features:** macOS Compatibility

**In-app purchases:** none


### HartBR Devices

[App page](https://appshunter.io/ios/app/hartbr-devices/id6754612855)

**In-app purchases:** none


## Frequently asked questions

### Is Whisper free?

Whisper is free to download, with no in-app purchases.

### Is HartBR Devices free?

HartBR Devices is free to download, with no in-app purchases.

### Do Whisper or HartBR Devices have ads?

Neither Whisper nor HartBR Devices shows ads.

### Which is updated more often, Whisper or HartBR Devices?

Whisper ships an update every 4 days, and HartBR Devices every 3 weeks. Most recently, Whisper was updated on October 2, 2026 and HartBR Devices on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*