# ReTodo vs Circle timer

The clearest difference is price: ReTodo at Free against Circle timer's $0.99. ReTodo also leads on iOS requirement (11.0 vs 14.4). Circle timer's advantage is ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

ReTodo is free to download; Circle timer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | ReTodo | Circle timer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | Every 4 days |
| Size | 33 MB | 1 MB |
| Requires iOS | **11.0** | 14.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takeru Narita](https://appshunter.io/developer/901375401) | [hideo nakamura](https://appshunter.io/developer/1242808811) |

## What reviewers say

### ReTodo

[App page](https://appshunter.io/ios/app/retodo-to-do-list/id6462359942)

**Features:** macOS Compatibility

**In-app purchases:** none


### Circle timer

[App page](https://appshunter.io/ios/app/circle-timer-pie-chart-timer/id6686403808)

**In-app purchases:** none


## Frequently asked questions

### Is ReTodo free?

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

### Is Circle timer free?

Circle timer costs $0.99, with no in-app purchases.

### Do ReTodo or Circle timer have ads?

ReTodo shows ads; Circle timer does not.

### Which is updated more often, ReTodo or Circle timer?

ReTodo ships an update every 4 days, and Circle timer every 4 days. Most recently, ReTodo was updated on September 30, 2026 and Circle timer on October 5, 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.*