# PerfectTrAIner vs GainBook

The clearest difference is in-app purchases: GainBook at none against PerfectTrAIner's 2. PerfectTrAIner's advantage is update cadence (every 6 days vs every 5 weeks). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. PerfectTrAIner sells 2 in-app purchases, starting at $8.99 per month. GainBook asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for PerfectTrAIner against 5.0 for GainBook. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

PerfectTrAIner ships an update every 6 days, GainBook every 5 weeks. The most recent releases landed on September 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PerfectTrAIner | GainBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/perfecttrainer/id6756835024/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/gainbook/id6794535251/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 5 weeks |
| Monetization | Freemium | **Free** |
| Size | 62 MB | 59 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Budnevich](https://appshunter.io/developer/1863146605) | [Anatolii Vedmid](https://appshunter.io/developer/6794535253) |

## What reviewers say

### PerfectTrAIner

[App page](https://appshunter.io/ios/app/perfecttrainer/id6756835024)

This app acts as an intelligent personal trainer, offering AI-powered workout plans, meal suggestions, and fitness advice. It features comprehensive tracking for workouts, nutrition, and weight, with personalized goals and insights.

**Highlights:** AI-powered personalized workout plans, Smart workout and progress tracking, Comprehensive nutrition logging, Personalized macro and calorie goals, Weight and progress visualization, AI-driven dietary and exercise recommendations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $8.99 | per month |
| Premium Yearly | $59.99 | per year |


### GainBook

[App page](https://appshunter.io/ios/app/gainbook/id6794535251)

This workout tracker allows you to plan, log, and review your strength training progress. It offers detailed exercise tracking, customizable workout plans, and an extensive exercise library. All your data is stored locally, ensuring privacy and offline access.

**Highlights:** Workout planning and templating, Detailed set logging with rest timers, Extensive exercise library with custom options, Progress review with volume heatmaps, Local data storage and iCloud backups, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is PerfectTrAIner free?

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

### Is GainBook free?

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

### Which has better reviews, PerfectTrAIner or GainBook?

PerfectTrAIner and GainBook are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do PerfectTrAIner or GainBook have ads?

Neither PerfectTrAIner nor GainBook shows ads.

### Which is updated more often, PerfectTrAIner or GainBook?

PerfectTrAIner ships an update every 6 days, and GainBook every 5 weeks. Most recently, PerfectTrAIner was updated on September 30, 2026 and GainBook 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.*