# GainBook vs Rayl

The clearest difference is in-app purchases: GainBook at none against Rayl's 2. Rayl's advantage is update cadence (every 4 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rayl sells 2 in-app purchases, starting at $4.99 per month. GainBook asks for nothing beyond the download.

GainBook ships an update every 5 weeks, Rayl every 4 days. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | GainBook | Rayl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gainbook/id6794535251/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 59 MB | 12 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Anatolii Vedmid](https://appshunter.io/developer/6794535253) | [Leon Dorian Michl](https://appshunter.io/developer/1896730326) |

## What reviewers say

### 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


### Rayl

[App page](https://appshunter.io/ios/app/rayl-strength-workout-log/id6799451868)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rayl Pro (Monthly) | $4.99 | per month |
| Rayl Pro (Yearly) | $29.99 | per year |


## Frequently asked questions

### Is GainBook free?

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

### Is Rayl free?

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

### Do GainBook or Rayl have ads?

Neither GainBook nor Rayl shows ads.

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

GainBook ships an update every 5 weeks, and Rayl every 4 days. Most recently, GainBook was updated on October 24, 2026 and Rayl on October 17, 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.*