# Coach.AI vs Protocol

The clearest difference is update cadence: Protocol at weekly against Coach.AI's every 3 months. Protocol also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Coach.AI sells 8 in-app purchases, starting at $12.99 per month and Protocol sells 4 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Coach.AI ships an update every 3 months, Protocol weekly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Coach.AI | Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/protocol-ai-personal-trainer/id6767289177/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 97 MB | 54 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mouhab Tarek](https://appshunter.io/developer/1702414928) | [MUSTAFA TOPCU](https://appshunter.io/developer/1761029557) |

## What reviewers say

### Coach.AI

[App page](https://appshunter.io/ios/app/coachai/id6504732473)

**Features:** Family Sharing

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Plan | $12.99 | per month |
| PRO Family Plan | $19.99 | per month |
| ELITE PLAN | $24.99 | per month |
| ELITE Family Plan | $29.99 | per month |
| PRO PLAN | $125.99 | per year |
| PRO Family Plan | $174.99 | per year |
| Elite Plan | $199.00 | per year |
| ELITE Family Plan | $259.99 | per year |


### Protocol

[App page](https://appshunter.io/ios/app/protocol-ai-personal-trainer/id6767289177)

This AI-powered app creates customized fitness and nutrition plans based on your goals, equipment, and schedule. It offers ongoing adjustments as you progress and provides AI coaching for follow-up questions. Achieve your fitness objectives with practical, evidence-based guidance.

**Highlights:** Personalized training plans, AI-driven nutrition guidance, Adaptive progress adjustments, Built-in AI coaching, Goal-oriented planning, Evidence-based principles

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protocol Pro Monthly | $7.99 | per month |
| Protocol Pro 3 Months | $19.99 | per 3 months |
| Protocol Pro 6 Months | $34.99 | per 6 months |
| Protocol Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is Coach.AI free?

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

### Is Protocol free?

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

### Do Coach.AI or Protocol have ads?

Neither Coach.AI nor Protocol shows ads.

### Which is updated more often, Coach.AI or Protocol?

Coach.AI ships an update every 3 months, and Protocol weekly. Most recently, Coach.AI was updated on November 4, 2026 and Protocol on October 31, 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.*