# DunDun vs OnninGym

The clearest difference is in-app purchases: OnninGym at none against DunDun's 3. OnninGym also leads on update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DunDun sells 3 in-app purchases, starting at $0.99 per month. OnninGym asks for nothing beyond the download.

DunDun ships an update every 3 weeks, OnninGym daily. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | DunDun | OnninGym |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (128 ratings)](https://appshunter.io/ios/app/dundun-squat-counter/id1348285355/reviews)** | — |
| Number of ratings | **128** | — |
| Positive reviews | 48.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Freemium | — |
| Size | 90 MB | 5 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [家浩 汪](https://appshunter.io/developer/1071202242) | [WEN CHENG YEH](https://appshunter.io/developer/1896404314) |

## What reviewers say

### DunDun

[App page](https://appshunter.io/ios/app/dundun-squat-counter/id1348285355)

This app uses advanced motion sensors to automatically count your squats with high accuracy. It offers real-time voice guidance, motivational features, and heart rate monitoring. Track your progress with comprehensive statistics and various training modes.

**Highlights:** Automatic squat counting, Real-time voice guidance, Motivational system, Heart rate monitoring, Workout statistics, Multiple training modes

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $2.99 | per year |
| Life Pro | $9.99 | one-time |


### OnninGym

[App page](https://appshunter.io/ios/app/onningym/id6768336464)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DunDun free?

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

### Is OnninGym free?

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

### Do DunDun or OnninGym have ads?

Neither DunDun nor OnninGym shows ads.

### Which is updated more often, DunDun or OnninGym?

DunDun ships an update every 3 weeks, and OnninGym daily. Most recently, DunDun was updated on October 29, 2026 and OnninGym on October 28, 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.*