# Crobyrob vs KULG

The clearest difference is update cadence: KULG at every 3 weeks against Crobyrob's every 3 months. Crobyrob's advantage is iOS requirement (11.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

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

Crobyrob ships an update every 3 months, KULG every 3 weeks. The most recent releases landed on October 22, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Crobyrob | KULG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/crobyrob/id6474627035/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 54 MB | 20 MB |
| Requires iOS | **11.0** | 18.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Cory Robinson](https://appshunter.io/developer/1722118092) | [Kulgio OÜ](https://appshunter.io/developer/1834211833) |

## What reviewers say

### Crobyrob

[App page](https://appshunter.io/ios/app/crobyrob/id6474627035)

Achieve your fitness goals with personalized workout plans tailored to your schedule, skill level, and objectives. Gain functional strength and body control with expert guidance and informational resources. Connect with a community through discussion groups for a comprehensive fitness service.

**Highlights:** Customized workout plans, Functional strength building, Personalized expert guidance, Informational resources, Community discussion groups, 24/7 personal access

**Features:** macOS Compatibility

**In-app purchases:** none


### KULG

[App page](https://appshunter.io/ios/app/kulg/id6751247364)

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

**In-app purchases:** none


## Frequently asked questions

### Is Crobyrob free?

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

### Is KULG free?

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

### Do Crobyrob or KULG have ads?

Neither Crobyrob nor KULG shows ads.

### Which is updated more often, Crobyrob or KULG?

Crobyrob ships an update every 3 months, and KULG every 3 weeks. Most recently, Crobyrob was updated on October 22, 2026 and KULG on October 15, 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.*