# budoo.one vs GR2D Mobile

The clearest difference is iOS requirement: budoo.one at 15.0 against GR2D Mobile's 18.2. 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | budoo.one | GR2D Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 47 MB | 63 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [HERZBERG UG](https://appshunter.io/developer/1549010167) | [Nikolaus Landstorfer](https://appshunter.io/developer/1816892729) |

## What reviewers say

### budoo.one

[App page](https://appshunter.io/ios/app/budooone/id1549009895)

Access valuable martial arts school content, including videos, texts, and images for preparation. Easily sign up for training sessions and events, and stay informed with a built-in mail center and push notifications. Track your progress and view school information.

**Highlights:** Access school content (videos, texts, images), Prepare for exams and competitions, Sign up for training sessions and events, Built-in mail center with push notifications, Track personal milestones and career highlights, View school information and contact details, Manage contract and personal data

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

**In-app purchases:** none


### GR2D Mobile

[App page](https://appshunter.io/ios/app/gr2d-mobile/id6746441104)

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

**In-app purchases:** none


## Frequently asked questions

### Is budoo.one free?

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

### Is GR2D Mobile free?

GR2D Mobile is free to download, with no in-app purchases.

### Do budoo.one or GR2D Mobile have ads?

Neither budoo.one nor GR2D Mobile shows ads.

### Which is updated more often, budoo.one or GR2D Mobile?

budoo.one ships an update every 2 months, and GR2D Mobile every 2 months. Most recently, budoo.one was updated on October 10, 2026 and GR2D Mobile on October 6, 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.*