# Koi Shape vs StepMage

The clearest difference is in-app purchases: Koi Shape at none against StepMage's 1. Koi Shape also leads on iOS requirement (15.1 vs 17.0). StepMage's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. StepMage sells 1 one-off in-app purchase. Koi Shape asks for nothing beyond the download.

Koi Shape ships an update monthly, StepMage every 3 weeks. The most recent releases landed on July 27, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Koi Shape | StepMage |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 154 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [QUY DIEN LE](https://appshunter.io/developer/1745588028) | [深圳十米网络科技有限公司](https://appshunter.io/developer/1463361355) |

## What reviewers say

### Koi Shape

[App page](https://appshunter.io/ios/app/koi-shape/id6745516636)

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

**In-app purchases:** none


### StepMage

[App page](https://appshunter.io/ios/app/stepmage-magic-academy-rpg/id6758439614)

Transform your daily steps and workouts into magical spells and mana within a wizarding academy. Use your Apple Watch to explore, meditate, train, and brew potions, all while battling dark forces with motion-controlled casting.

**Highlights:** Convert steps into in-game energy, Mindfulness exercises for mental defense, Burn calories for magical potency, Sleep quality restores magical energy, Motion-controlled spell casting, Random encounters and exploration, Standalone Apple Watch app

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One-Time Full Unlock | $3.99 | one-time |


## Frequently asked questions

### Is Koi Shape free?

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

### Is StepMage free?

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

### Do Koi Shape or StepMage have ads?

Koi Shape shows ads; StepMage does not.

### Which is updated more often, Koi Shape or StepMage?

Koi Shape ships an update monthly, and StepMage every 3 weeks. Most recently, Koi Shape was updated on July 27, 2026 and StepMage on August 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.*