# GradeGuru vs STEMQuest

The clearest difference is update cadence: GradeGuru at every 3 days against STEMQuest's every 4 weeks. GradeGuru also leads on iOS requirement (13.0 vs 26.0). 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.

GradeGuru ships an update every 3 days, STEMQuest every 4 weeks. The most recent releases landed on September 27, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | GradeGuru | STEMQuest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 weeks |
| Size | 14 MB | 7 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ceva Mai Mult Design SRL](https://appshunter.io/developer/533457718) | [HANG ZHENG](https://appshunter.io/developer/1871954264) |

## What reviewers say

### GradeGuru

[App page](https://appshunter.io/ios/app/gradeguru/id1670077626)

**Features:** macOS Compatibility

**In-app purchases:** none


### STEMQuest

[App page](https://appshunter.io/ios/app/stemquest/id6758280282)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GradeGuru free?

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

### Is STEMQuest free?

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

### Do GradeGuru or STEMQuest have ads?

Neither GradeGuru nor STEMQuest shows ads.

### Which is updated more often, GradeGuru or STEMQuest?

GradeGuru ships an update every 3 days, and STEMQuest every 4 weeks. Most recently, GradeGuru was updated on September 27, 2026 and STEMQuest on September 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.*