# BDA Peng vs QuietTap

The clearest difference is in-app purchases: BDA Peng at none against QuietTap's 1. QuietTap's advantage is update cadence (daily vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. QuietTap sells 1 one-off in-app purchase. BDA Peng asks for nothing beyond the download.

BDA Peng ships an update every 5 months, QuietTap daily. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BDA Peng | QuietTap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Daily** |
| Size | 27 MB | 5 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 17+ | 12+ |
| Developer | [The British Dietetic Association](https://appshunter.io/developer/916548291) | [Andy Blair](https://appshunter.io/developer/1885398847) |

## What reviewers say

### BDA Peng

[App page](https://appshunter.io/ios/app/bda-peng/id6749851220)

**Features:** macOS Compatibility

**In-app purchases:** none


### QuietTap

[App page](https://appshunter.io/ios/app/quiettap/id6760627898)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock QuietTap | $0.99 | one-time |


## Frequently asked questions

### Is BDA Peng free?

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

### Is QuietTap free?

QuietTap is free to download, with in-app purchases available.

### Do BDA Peng or QuietTap have ads?

Neither BDA Peng nor QuietTap shows ads.

### Which is updated more often, BDA Peng or QuietTap?

BDA Peng ships an update every 5 months, and QuietTap daily. Most recently, BDA Peng was updated on October 10, 2026 and QuietTap on October 24, 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.*