# Roundbook vs Custom Golf Lab

The clearest difference is iOS requirement: Roundbook at 15.0 against Custom Golf Lab's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Roundbook ships an update weekly, Custom Golf Lab every 5 days. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Roundbook | Custom Golf Lab |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 106 MB | 45 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Christian Schneider](https://appshunter.io/developer/1886191085) | [Sebastian Burges](https://appshunter.io/developer/1890300022) |

## What reviewers say

### Roundbook

[App page](https://appshunter.io/ios/app/roundbook/id6760777870)

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

**In-app purchases:** none


### Custom Golf Lab

[App page](https://appshunter.io/ios/app/custom-golf-lab/id6761574227)

Improve your golf game with AI-powered swing analysis, a smart GPS caddie, club fitting, and a personal coach. Understand your game, make better decisions on the course, and track your progress with data-driven insights.

**Highlights:** AI swing analysis, Smart GPS caddie, Personal AI coach, Club fitting, Round tracking, Progress monitoring

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Roundbook free?

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

### Is Custom Golf Lab free?

Custom Golf Lab is free to download, with no in-app purchases.

### Do Roundbook or Custom Golf Lab have ads?

Neither Roundbook nor Custom Golf Lab shows ads.

### Which is updated more often, Roundbook or Custom Golf Lab?

Roundbook ships an update weekly, and Custom Golf Lab every 5 days. Most recently, Roundbook was updated on October 14, 2026 and Custom Golf Lab on October 13, 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.*