# ErgIntz vs IKSU

The clearest difference is update cadence: ErgIntz at every 3 days against IKSU's fortnightly. IKSU's advantage is iOS requirement (15.5 vs 17.0). 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.

ErgIntz ships an update every 3 days, IKSU fortnightly. The most recent releases landed on October 19, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ErgIntz | IKSU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iksu/id6775405596/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | — | Free |
| Size | 15 MB | 251 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Nils Martin Gunnar Johansson Ahlberger](https://appshunter.io/developer/6772151752) | [IKSU Halsa AB](https://appshunter.io/developer/857590482) |

## What reviewers say

### ErgIntz

[App page](https://appshunter.io/ios/app/ergintz/id6774031612)

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

**In-app purchases:** none


### IKSU

[App page](https://appshunter.io/ios/app/iksu/id6775405596)

Book fitness classes, courts, treatments, and courses. Manage your bookings, add them to your calendar, and renew memberships. Use mobile check-in for easy access to facilities.

**Highlights:** Book and cancel classes, Book and cancel courts/services, Manage memberships, Mobile check-in, Add bookings to calendar, Filter favorite classes

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

**In-app purchases:** none


## Frequently asked questions

### Is ErgIntz free?

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

### Is IKSU free?

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

### Do ErgIntz or IKSU have ads?

Neither ErgIntz nor IKSU shows ads.

### Which is updated more often, ErgIntz or IKSU?

ErgIntz ships an update every 3 days, and IKSU fortnightly. Most recently, ErgIntz was updated on October 19, 2026 and IKSU on October 11, 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.*