# Cook Timer AB vs Protocol

The clearest difference is update cadence: Cook Timer AB at every 3 weeks against Protocol's every 2 months. Cook Timer AB also leads on iOS requirement (14.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Cook Timer AB ships an update every 3 weeks, Protocol every 2 months. The most recent releases landed on October 12, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Cook Timer AB | Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/protocol-sound-system/id6745834104/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Paid |
| Size | 52 MB | 1 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Berkovich](https://appshunter.io/developer/1460157188) | [hsla0001](https://appshunter.io/developer/1778537322) |

## What reviewers say

### Cook Timer AB

[App page](https://appshunter.io/ios/app/cook-timer-ab/id1507533877)

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

**In-app purchases:** none


### Protocol

[App page](https://appshunter.io/ios/app/protocol-sound-system/id6745834104)

This app generates refined ambient noise with a unique tactile and visual experience. It offers precise control over sound frequencies and features an elegant particle system that responds to touch, designed for focus, calm, and sleep.

**Highlights:** Ambient noise generation, Touch-responsive particle system, Precise frequency control, Haptic feedback, Background playback, Media controls integration

**In-app purchases:** none


## Frequently asked questions

### Is Cook Timer AB free?

Cook Timer AB is free to download, with no in-app purchases.

### Is Protocol free?

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

### Do Cook Timer AB or Protocol have ads?

Neither Cook Timer AB nor Protocol shows ads.

### Which is updated more often, Cook Timer AB or Protocol?

Cook Timer AB ships an update every 3 weeks, and Protocol every 2 months. Most recently, Cook Timer AB was updated on October 12, 2026 and Protocol on September 28, 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.*