# Test Quest SAT vs BioChem Sprint 9

The clearest difference is in-app purchases: BioChem Sprint 9 at none against Test Quest SAT's 1. BioChem Sprint 9 also leads on update cadence (every 2 days vs every 4 weeks) and iOS requirement (13.0 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. Test Quest SAT sells 1 in-app purchase, starting at $9.99 per month. BioChem Sprint 9 asks for nothing beyond the download.

Test Quest SAT ships an update every 4 weeks, BioChem Sprint 9 every 2 days. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Test Quest SAT | BioChem Sprint 9 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/test-quest-sat/id6745491452/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 20 MB |
| Requires iOS | 18.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sagar Tikoo](https://appshunter.io/developer/1809464534) | [Nguyen Khanh Vy](https://appshunter.io/developer/1868173737) |

## What reviewers say

### Test Quest SAT

[App page](https://appshunter.io/ios/app/test-quest-sat/id6745491452)

Prepare for the SAT with a gamified approach designed by a perfect scorer. This app helps you hone your test-taking abilities through engaging challenges and practice.

**Highlights:** Gamified SAT preparation, Developed by a perfect scorer, Sharpen test-taking skills, Engaging challenges

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quest Plus | $9.99 | per month |


### BioChem Sprint 9

[App page](https://appshunter.io/ios/app/biochem-sprint-9/id6757666372)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Test Quest SAT free?

Test Quest SAT is free to download, with in-app purchases available.

### Is BioChem Sprint 9 free?

BioChem Sprint 9 is free to download, with no in-app purchases.

### Do Test Quest SAT or BioChem Sprint 9 have ads?

Neither Test Quest SAT nor BioChem Sprint 9 shows ads.

### Which is updated more often, Test Quest SAT or BioChem Sprint 9?

Test Quest SAT ships an update every 4 weeks, and BioChem Sprint 9 every 2 days. Most recently, Test Quest SAT was updated on October 19, 2026 and BioChem Sprint 9 on October 14, 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.*