# Interval Timer vs DING

The clearest difference is in-app purchases: Interval Timer at none against DING's 3. DING's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Interval Timer ships an update every 3 months, DING every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Interval Timer | DING |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 70 MB | 45 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [CODEENSIS LTD](https://appshunter.io/developer/859208704) | [Speed AI Labs](https://appshunter.io/developer/1895049591) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-tabata-rounds/id6767566948)

**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 Interval Timer free?

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

### Is DING free?

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

### Do Interval Timer or DING have ads?

Neither Interval Timer nor DING shows ads.

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

Interval Timer ships an update every 3 months, and DING every 3 weeks. Most recently, Interval Timer was updated on October 31, 2026 and DING on October 31, 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.*