# FitterDays vs De Kluis Coaching

The clearest difference is update cadence: De Kluis Coaching at every 2 weeks against FitterDays's every 4 months. 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.

FitterDays ships an update every 4 months, De Kluis Coaching every 2 weeks. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | FitterDays | De Kluis Coaching |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 147 MB | 100 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Simon Quick Holding B.V.](https://appshunter.io/developer/1810687416) | [FITsociety BV (Apps)](https://appshunter.io/developer/1756257213) |

## What reviewers say

### FitterDays

[App page](https://appshunter.io/ios/app/fitterdays/id6745094748)

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

**In-app purchases:** none


### De Kluis Coaching

[App page](https://appshunter.io/ios/app/de-kluis-coaching/id6761205429)

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

**In-app purchases:** none


## Frequently asked questions

### Is FitterDays free?

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

### Is De Kluis Coaching free?

De Kluis Coaching is free to download, with no in-app purchases.

### Do FitterDays or De Kluis Coaching have ads?

Neither FitterDays nor De Kluis Coaching shows ads.

### Which is updated more often, FitterDays or De Kluis Coaching?

FitterDays ships an update every 4 months, and De Kluis Coaching every 2 weeks. Most recently, FitterDays was updated on October 25, 2026 and De Kluis Coaching on October 7, 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.*