# Gastón vs Byku

The clearest difference is in-app purchases: Gastón at none against Byku's 1. Gastón also leads on update cadence (monthly vs every 3 months) and iOS requirement (15.1 vs 26.2). On price, ads and device support there is nothing between them.

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

Gastón ships an update monthly, Byku every 3 months. The most recent releases landed on September 19, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Gastón | Byku |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | — |
| Size | 50 MB | 1 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Marques](https://appshunter.io/developer/1727694762) | [Pengsquare UG (haftungsbeschraenkt)](https://appshunter.io/developer/635623265) |

## What reviewers say

### Gastón

[App page](https://appshunter.io/ios/app/gaston/id6476766268)

Track your climbing sessions, analyze your progress with a unique index, and connect with a community of climbers. Share videos, rate climbs, and exchange techniques. Compete in monthly challenges.

**Highlights:** Track climbing sessions, Analyze progress with Gaston Index, Share climbing videos, Rate climbs and exchange techniques, Compete in monthly challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### Byku

[App page](https://appshunter.io/ios/app/byku/id6760696502)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Byku Max | $4.99 | one-time |


## Frequently asked questions

### Is Gastón free?

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

### Is Byku free?

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

### Do Gastón or Byku have ads?

Neither Gastón nor Byku shows ads.

### Which is updated more often, Gastón or Byku?

Gastón ships an update monthly, and Byku every 3 months. Most recently, Gastón was updated on September 19, 2026 and Byku on September 18, 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.*