# StepMage vs Neutral Buoyancy Simulator

The clearest difference is iOS requirement: Neutral Buoyancy Simulator at 13.0 against StepMage's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. StepMage sells 1 one-off in-app purchase and Neutral Buoyancy Simulator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | StepMage | Neutral Buoyancy Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/neutral-buoyancy-simulator/id6808423997/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 154 MB | 168 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳十米网络科技有限公司](https://appshunter.io/developer/1463361355) | [坤鹏 张](https://appshunter.io/developer/6800364819) |

## What reviewers say

### 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 |


### Neutral Buoyancy Simulator

[App page](https://appshunter.io/ios/app/neutral-buoyancy-simulator/id6808423997)

Practice essential scuba diving skills like hovering and breath control anywhere on your phone. This app simulates real buoyancy physics, allowing you to master fine and coarse trim adjustments. Detailed session analysis helps track your progress and improve your diving technique.

**Highlights:** Physics-based buoyancy simulation, Breath control practice, BCD trim adjustment, Multiple practice modes, Detailed session analysis, Progress tracking and personal bests

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Experience | $4.99 | one-time |


## Frequently asked questions

### Is StepMage free?

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

### Is Neutral Buoyancy Simulator free?

Neutral Buoyancy Simulator is free to download, with in-app purchases available.

### Do StepMage or Neutral Buoyancy Simulator have ads?

Neither StepMage nor Neutral Buoyancy Simulator shows ads.

### Which is updated more often, StepMage or Neutral Buoyancy Simulator?

StepMage ships an update every 3 weeks, and Neutral Buoyancy Simulator every 3 weeks. Most recently, StepMage was updated on October 3, 2026 and Neutral Buoyancy Simulator on October 24, 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.*