# Stop Watch vs Readshift

The clearest difference is ads: Readshift at none against Stop Watch's shown. Stop Watch's advantage is iOS requirement (14.0 vs 18.0). 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.

Stop Watch ships an update every 3 months, Readshift every 2 months. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Stop Watch | Readshift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 22 MB | 6 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Deepak Yadav](https://appshunter.io/developer/1604621596) | [Shenzhen Zhongshan Psychological Consultation Co., Ltd.](https://appshunter.io/developer/1704584180) |

## What reviewers say

### Stop Watch

[App page](https://appshunter.io/ios/app/stop-watch-timer/id6478082469)

**Features:** macOS Compatibility

**In-app purchases:** none


### Readshift

[App page](https://appshunter.io/ios/app/readshift/id6769618009)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stop Watch free?

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

### Is Readshift free?

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

### Do Stop Watch or Readshift have ads?

Stop Watch shows ads; Readshift does not.

### Which is updated more often, Stop Watch or Readshift?

Stop Watch ships an update every 3 months, and Readshift every 2 months. Most recently, Stop Watch was updated on October 10, 2026 and Readshift on October 8, 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.*