# Protocol66 vs Routine Builder

Protocol66 and Routine Builder are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Protocol66 sells 3 in-app purchases, starting at $2.99 per 7 days and Routine Builder sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Protocol66 ships an update every 2 weeks, Routine Builder monthly. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Protocol66 | Routine Builder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 35 MB | 8 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [POCKET APPS STUDIO PTE. LTD.](https://appshunter.io/developer/1864339139) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## 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 |


### Routine Builder

[App page](https://appshunter.io/ios/app/routine-builder-daily-planner/id6767797036)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Annual Premium | $24.99 | per year |
| Lifetime Premium | $49.99 | one-time |


## Frequently asked questions

### Is Protocol66 free?

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

### Is Routine Builder free?

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

### Do Protocol66 or Routine Builder have ads?

Neither Protocol66 nor Routine Builder shows ads.

### Which is updated more often, Protocol66 or Routine Builder?

Protocol66 ships an update every 2 weeks, and Routine Builder monthly. Most recently, Protocol66 was updated on October 6, 2026 and Routine Builder on October 19, 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.*