# Gravity Guards vs StepMath

The clearest difference is in-app purchases: StepMath at none against Gravity Guards's 10. StepMath also leads on update cadence (weekly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Gravity Guards sells 9 one-off in-app purchases. StepMath asks for nothing beyond the download.

Gravity Guards ships an update every 4 months, StepMath weekly. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Gravity Guards | StepMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gravity-guards-science-idle/id6593686824/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 296 MB | 25 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Valeriy Kuznetsov](https://appshunter.io/developer/1760340772) | [Stepic Inc](https://appshunter.io/developer/1469042524) |

## What reviewers say

### Gravity Guards

[App page](https://appshunter.io/ios/app/gravity-guards-science-idle/id6593686824)

Engage in an epic auto-battler strategy game where you assemble a team of legendary scientists to learn and apply physics principles. Battle rogue Omnics and protect the world by harnessing scientific forces in a fun, interactive adventure.

**Highlights:** Learn physics through engaging gameplay, Assemble legendary scientist characters, Auto-battler strategy with physics mechanics, Interactive learning and smart battles, Gamified education for all ages, Teacher and parent-approved content

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Röntgoum's Project | $0.99 | one-time |
| Box of Lights | $0.99 | one-time |
| Röntgoum's Project | $1.99 | one-time |
| Röntgoum's Project Sale | $2.99 | one-time |
| Röntgoum's Project | $5.99 | one-time |
| Flow Pact Bundle | $5.99 | one-time |
| Mind Modulator | $9.99 | one-time |
| Crystals (5000) | $39.99 | one-time |
| Crystals (10000) | $69.99 | one-time |


### StepMath

[App page](https://appshunter.io/ios/app/stepmath/id6749267386)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gravity Guards free?

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

### Is StepMath free?

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

### Do Gravity Guards or StepMath have ads?

Neither Gravity Guards nor StepMath shows ads.

### Which is updated more often, Gravity Guards or StepMath?

Gravity Guards ships an update every 4 months, and StepMath weekly. Most recently, Gravity Guards was updated on October 30, 2026 and StepMath on November 8, 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.*