# RepCount vs KAI Skin

The clearest difference is update cadence: RepCount at every 10 days against KAI Skin's every 5 months. KAI Skin's advantage is iOS requirement (16.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. RepCount sells 6 in-app purchases, starting at $4.99 per month and KAI Skin sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

RepCount ships an update every 10 days, KAI Skin every 5 months. The most recent releases landed on October 27, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | RepCount | KAI Skin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (13K ratings)](https://appshunter.io/ios/app/repcount-gym-workout-tracker/id594982044/reviews)** | — |
| Number of ratings | **13K** | — |
| Positive reviews | 92.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 months |
| Monetization | Freemium | — |
| Size | 74 MB | 16 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Siper Apps AB](https://appshunter.io/developer/594982047) | [ALI ATAEI FARD](https://appshunter.io/developer/1858081327) |

## What reviewers say

### RepCount

[App page](https://appshunter.io/ios/app/repcount-gym-workout-tracker/id594982044)

This app helps you track and analyze your strength training workouts. Log unlimited exercises and programs for free, with an optional premium subscription for advanced features like supersets and detailed progress charts.

**Highlights:** Workout logging, Exercise creation, Workout program creation, Rest timer, Supersets, Advanced statistics, Health app integration

**Features:** iPhone Duo support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RepCount Premium | $4.99 | per month |
| RepCount Premium | $6.99 | per month |
| RepCount Premium | $29.99 | per year |
| RepCount Premium | $29.99 | per year |
| RepCount Premium | $29.99 | per year |
| RepCount Premium | $39.99 | per year |

**What reviewers like**

- 👍 Great app
- 🚀 Simple and intuitive interface
- 🚀 Easy to use and log workouts
- 🚀 Customizable exercises and routines
- 👍 Helpful for tracking progress and overload

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 💡 Lack of Apple Watch integration
- 💡 Missing calorie tracking
- 💡 Difficulty organizing routines and exercises

**Reported bugs**

- Crashes on launch for some users
- Issues with adding exercises and selecting categories

**Requested features**

- Ability to share routines and exercises
- Calendar view to see workout history
- Option to track RPE (Rate of Perceived Exertion)
- Ability to track time-based exercises
- Folders or grouping for routines


### KAI Skin

[App page](https://appshunter.io/ios/app/kai-skin/id6756030739)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $12.99 | per month |
| Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is RepCount free?

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

### Is KAI Skin free?

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

### Do RepCount or KAI Skin have ads?

Neither RepCount nor KAI Skin shows ads.

### Which is updated more often, RepCount or KAI Skin?

RepCount ships an update every 10 days, and KAI Skin every 5 months. Most recently, RepCount was updated on October 27, 2026 and KAI Skin on October 3, 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.*