# Only Three vs Threely

The clearest difference is in-app purchases: Only Three at none against Threely's 3. Only Three also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Threely sells 3 in-app purchases, starting at $4.99 per month. Only Three asks for nothing beyond the download.

Only Three ships an update every 2 weeks, Threely monthly. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Only Three | Threely |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 32 MB | 56 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alan Pooley](https://appshunter.io/developer/1889392820) | [Yusof Feroz Yusof Ahmed Khan](https://appshunter.io/developer/1824808218) |

## What reviewers say

### Only Three

[App page](https://appshunter.io/ios/app/only-three/id6761401681)

**Features:** macOS Compatibility

**In-app purchases:** none


### Threely

[App page](https://appshunter.io/ios/app/threely-3-tasks-adhd-planner/id6762083020)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Threely Pro Monthly | $4.99 | per month |
| Threely Pro Yearly | $29.99 | per year |
| Threely Pro | $79.99 | one-time |


## Frequently asked questions

### Is Only Three free?

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

### Is Threely free?

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

### Do Only Three or Threely have ads?

Neither Only Three nor Threely shows ads.

### Which is updated more often, Only Three or Threely?

Only Three ships an update every 2 weeks, and Threely monthly. Most recently, Only Three was updated on September 29, 2026 and Threely on October 7, 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.*