# Count Up Down Timer vs Studirum

The clearest difference is ads: Studirum at none against Count Up Down Timer's shown. Studirum also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, 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.

Count Up Down Timer ships an update every 3 weeks, Studirum monthly. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Count Up Down Timer | Studirum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 9 MB | 54 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Yamakawa](https://appshunter.io/developer/1864114622) | [Omer Aslan](https://appshunter.io/developer/1878650751) |

## What reviewers say

### Count Up Down Timer

[App page](https://appshunter.io/ios/app/count-up-down-timer/id6756993156)

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

**In-app purchases:** none


### Studirum

[App page](https://appshunter.io/ios/app/studirum-study-and-focus-timer/id6759448350)

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

**In-app purchases:** none


## Frequently asked questions

### Is Count Up Down Timer free?

Count Up Down Timer is free to download, with no in-app purchases.

### Is Studirum free?

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

### Do Count Up Down Timer or Studirum have ads?

Count Up Down Timer shows ads; Studirum does not.

### Which is updated more often, Count Up Down Timer or Studirum?

Count Up Down Timer ships an update every 3 weeks, and Studirum monthly. Most recently, Count Up Down Timer was updated on October 4, 2026 and Studirum on October 2, 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.*