# RoundBell vs DING

The clearest difference is in-app purchases: RoundBell at none against DING's 3. RoundBell also leads on update cadence (every 5 days vs every 3 weeks). DING's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

Both are free to download. DING sells 3 in-app purchases, starting at $4.99 per 7 days. RoundBell asks for nothing beyond the download.

RoundBell ships an update every 5 days, DING every 3 weeks. Both last shipped on September 20, 2026.

## The numbers

| Metric | RoundBell | DING |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 3 MB | 45 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Starcrown Inc](https://appshunter.io/developer/1082624152) | [Speed AI Labs](https://appshunter.io/developer/1895049591) |

## What reviewers say

### RoundBell

[App page](https://appshunter.io/ios/app/roundbell-boxing-timer/id6761452918)

This interval timer app is designed for boxing, kickboxing, and martial arts training. It offers customizable round times, audio cues, and voice alerts to keep you on track during workouts. Save your preferred settings for quick access and enjoy a clear, large display visible from a distance.

**Highlights:** Customizable round and interval times, Gong and horn sound alerts, Audio countdowns and voice notifications, Save and load custom presets, Haptic feedback for notifications, Screen wake lock for continuous display

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### DING

[App page](https://appshunter.io/ios/app/ding-boxing-round-timer/id6774922194)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DING Boxing | $4.99 | per 7 days |
| DING Boxing | $29.99 | per year |
| DING Boxing | $39.99 | one-time |


## Frequently asked questions

### Is RoundBell free?

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

### Is DING free?

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

### Do RoundBell or DING have ads?

Neither RoundBell nor DING shows ads.

### Which is updated more often, RoundBell or DING?

RoundBell ships an update every 5 days, and DING every 3 weeks. Most recently, RoundBell was updated on September 20, 2026 and DING on September 20, 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.*