# GLP vs Cathier

The clearest difference is in-app purchases: Cathier at none against GLP's 1. Cathier also leads on ads (none vs shown). GLP's advantage is update cadence (every 9 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. GLP sells 1 one-off in-app purchase. Cathier asks for nothing beyond the download.

GLP ships an update every 9 days, Cathier every 3 weeks. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | GLP | Cathier |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 33 MB | 8 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NEURAL CRAFT LIMITED](https://appshunter.io/developer/778607532) | [Jian Shuo Wang](https://appshunter.io/developer/1207762354) |

## What reviewers say

### GLP

[App page](https://appshunter.io/ios/app/glp-1-logbook-shot-tracker/id6759644604)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### Cathier

[App page](https://appshunter.io/ios/app/cathier/id6760601647)

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

**In-app purchases:** none


## Frequently asked questions

### Is GLP free?

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

### Is Cathier free?

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

### Do GLP or Cathier have ads?

GLP shows ads; Cathier does not.

### Which is updated more often, GLP or Cathier?

GLP ships an update every 9 days, and Cathier every 3 weeks. Most recently, GLP was updated on October 14, 2026 and Cathier on October 10, 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.*