# Interval Timer App. vs Hidden Timer

The clearest difference is ads: Interval Timer App. at none against Hidden Timer's shown. Interval Timer App. also leads on iOS requirement (10.0 vs 15.8.3). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Interval Timer App. | Hidden Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 weeks |
| Size | 83 MB | 35 MB |
| Requires iOS | **10.0** | 15.8.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Deisy Renteria](https://appshunter.io/developer/1579364093) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Interval Timer App.

[App page](https://appshunter.io/ios/app/interval-timer-app/id1613198044)

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

**In-app purchases:** none


### Hidden Timer

[App page](https://appshunter.io/ios/app/hidden-timer/id6502872588)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer App. free?

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

### Is Hidden Timer free?

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

### Do Interval Timer App. or Hidden Timer have ads?

Hidden Timer shows ads; Interval Timer App. does not.

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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.*