# OnceOne vs PomoTime

The clearest difference is in-app purchases: PomoTime at none against OnceOne's 3. PomoTime also leads on iOS requirement (16.6 vs 18.0). OnceOne's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. OnceOne sells 3 in-app purchases, starting at $0.99 per month. PomoTime asks for nothing beyond the download.

OnceOne ships an update weekly, PomoTime every 6 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | OnceOne | PomoTime |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 6 days** |
| Size | 3 MB | 75 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dongliang Yin](https://appshunter.io/developer/1030365061) | [Kambara Takaaki](https://appshunter.io/developer/1534699678) |

## What reviewers say

### OnceOne

[App page](https://appshunter.io/ios/app/onceone-grouping-to-do-tasks/id6744550176)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro(Monthly) | $0.99 | per month |
| Pro(Annual) | $9.99 | per year |
| Pro(Lifetime) | $24.99 | one-time |


### PomoTime

[App page](https://appshunter.io/ios/app/pomotime-focus-and-task-timer/id6752743459)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OnceOne free?

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

### Is PomoTime free?

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

### Do OnceOne or PomoTime have ads?

PomoTime shows ads; OnceOne does not.

### Which is updated more often, OnceOne or PomoTime?

OnceOne ships an update weekly, and PomoTime every 6 days. Most recently, OnceOne was updated on October 7, 2026 and PomoTime 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.*