# DING vs CornerBell Timer

The clearest difference is update cadence: CornerBell Timer at every 6 days against DING's every 3 weeks. DING's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DING sells 3 in-app purchases, starting at $4.99 per 7 days and CornerBell Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

DING ships an update every 3 weeks, CornerBell Timer every 6 days. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | DING | CornerBell Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 45 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Speed AI Labs](https://appshunter.io/developer/1895049591) | [Kojiro Fujisaka](https://appshunter.io/developer/6782241864) |

## What reviewers say

### 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 |


### CornerBell Timer

[App page](https://appshunter.io/ios/app/cornerbell-timer/id6785763230)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CornerBell Pro | $5.99 | one-time |


## Frequently asked questions

### Is DING free?

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

### Is CornerBell Timer free?

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

### Do DING or CornerBell Timer have ads?

Neither DING nor CornerBell Timer shows ads.

### Which is updated more often, DING or CornerBell Timer?

DING ships an update every 3 weeks, and CornerBell Timer every 6 days. Most recently, DING was updated on September 20, 2026 and CornerBell Timer on September 15, 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.*