# Protocol66 vs Ticked

The clearest difference is iOS requirement: Protocol66 at 18.0 against Ticked's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Protocol66 sells 3 in-app purchases, starting at $2.99 per 7 days and Ticked sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Protocol66 ships an update every 2 weeks, Ticked every 3 weeks. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Protocol66 | Ticked |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 35 MB | 61 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [POCKET APPS STUDIO PTE. LTD.](https://appshunter.io/developer/1864339139) | [Michal Kasprzyk](https://appshunter.io/developer/1164948327) |

## What reviewers say

### Protocol66

[App page](https://appshunter.io/ios/app/protocol66/id6757076988)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $2.99 | per 7 days |
| Pro | $19.99 | per year |
| Lifetime Access | $3.99 | one-time |


### Ticked

[App page](https://appshunter.io/ios/app/ticked-simple-habit-tracker/id6757343039)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ticked Pro (1 Month) | $2.99 | per month |
| Ticked Pro (1 Year) | $14.99 | per year |


## Frequently asked questions

### Is Protocol66 free?

Protocol66 is free to download, with in-app purchases available.

### Is Ticked free?

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

### Do Protocol66 or Ticked have ads?

Neither Protocol66 nor Ticked shows ads.

### Which is updated more often, Protocol66 or Ticked?

Protocol66 ships an update every 2 weeks, and Ticked every 3 weeks. Most recently, Protocol66 was updated on October 6, 2026 and Ticked on October 9, 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.*