# One Timer vs Chain Timers

The clearest difference is rating: One Timer at 5.0 against Chain Timers's 4.0. One Timer also leads on update cadence (every 4 days vs every 6 weeks). Chain Timers's advantage is in-app purchases (none vs 4) and device support (4 vs 1). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. One Timer sells 4 in-app purchases, starting at $1.99 per month. Chain Timers asks for nothing beyond the download.

One Timer holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

One Timer ships an update every 4 days, Chain Timers every 6 weeks. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | One Timer | Chain Timers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/one-timer-one-tap-timer/id6472574013/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/chain-timers/id6744822208/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 42 MB | 53 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [DAIKI YUASA](https://appshunter.io/developer/1632691655) | [Masayuki Nomura](https://appshunter.io/developer/964784429) |

## What reviewers say

### One Timer

[App page](https://appshunter.io/ios/app/one-timer-one-tap-timer/id6472574013)

Easily manage multiple timers simultaneously for everyday tasks like cooking or interval training. Quickly start timers with a single tap and customize their appearance with a wide range of colors. The app offers a premium plan for an ad-free experience and unlimited custom timers.

**Highlights:** Simultaneous multi-timer functionality, One-tap timer launch, Customizable color settings (RGB), Background notifications, HIIT and Pomodoro timer support, Stopwatch for work hours

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PREMIUM | $1.99 | per month |
| Buy me a coffee | $1.99 | one-time |
| Buy me a burger | $3.99 | one-time |
| PREMIUM | $9.99 | one-time |


### Chain Timers

[App page](https://appshunter.io/ios/app/chain-timers/id6744822208)

Connect multiple countdown timers to run in sequence. Configure automatic transitions between timers or choose to pause. Share your timer sequences easily across devices.

**Highlights:** Chain up to 25 timers, Automatic or manual timer transitions, Share timer lists, Cross-device list sharing, Save timer histories

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is One Timer free?

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

### Is Chain Timers free?

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

### Which has better reviews, One Timer or Chain Timers?

One Timer is rated higher. One Timer averages 5.0 out of 5 from 1 ratings, while Chain Timers averages 4.0 from 1 ratings.

### Do One Timer or Chain Timers have ads?

Neither One Timer nor Chain Timers shows ads.

### Which is updated more often, One Timer or Chain Timers?

One Timer ships an update every 4 days, and Chain Timers every 6 weeks. Most recently, One Timer was updated on September 17, 2026 and Chain Timers on September 23, 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.*