# PHYSIO KETTWIG vs EnduroCalc

The clearest difference is price: PHYSIO KETTWIG at Free against EnduroCalc's $0.99. PHYSIO KETTWIG also leads on iOS requirement (15.0 vs 18.0). EnduroCalc's advantage is update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases and device support there is nothing between them.

PHYSIO KETTWIG is free to download; EnduroCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PHYSIO KETTWIG ships an update every 3 months, EnduroCalc every 3 weeks. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PHYSIO KETTWIG | EnduroCalc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/physio-kettwig-training/id6504472482/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 155 MB | 12 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [PHYSIO KETTWIG GbR](https://appshunter.io/developer/1752430025) | [Marco Reinke](https://appshunter.io/developer/1164428495) |

## What reviewers say

### PHYSIO KETTWIG

[App page](https://appshunter.io/ios/app/physio-kettwig-training/id6504472482)

This app helps you monitor workouts, track progress, and achieve fitness goals. It offers personalized training plans, fun challenges, and class scheduling. Integrate with HealthKit to save workouts and contribute to your fitness journey.

**Highlights:** Workout tracking, Personalized training plans, Activity level monitoring, Fun challenges, Class scheduling, HealthKit integration

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

**In-app purchases:** none


### EnduroCalc

[App page](https://appshunter.io/ios/app/endurocalc/id6743703780)

This app helps endurance athletes plan training and race days. Calculate target times, paces, energy needs, and nutrition plans for running, cycling, swimming, and triathlon. It offers a minimalist interface designed for focus.

**Highlights:** Pace calculators for various units, Triathlon mode with distance templates, CSS calculator for swimming, Carbohydrate needs calculator, Personalized nutrition plan generation, Ad-free and minimalist design

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

**In-app purchases:** none


## Frequently asked questions

### Is PHYSIO KETTWIG free?

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

### Is EnduroCalc free?

EnduroCalc costs $0.99, with no in-app purchases.

### Do PHYSIO KETTWIG or EnduroCalc have ads?

Neither PHYSIO KETTWIG nor EnduroCalc shows ads.

### Which is updated more often, PHYSIO KETTWIG or EnduroCalc?

PHYSIO KETTWIG ships an update every 3 months, and EnduroCalc every 3 weeks. Most recently, PHYSIO KETTWIG was updated on October 8, 2026 and EnduroCalc on October 12, 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.*