# RDS Test vs StudyLens

The clearest difference is in-app purchases: RDS Test at none against StudyLens's 2. RDS Test also leads on iOS requirement (6.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. StudyLens sells 2 in-app purchases, starting at $4.99 per month. RDS Test asks for nothing beyond the download.

## The numbers

| Metric | RDS Test | StudyLens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Weekly |
| Size | 28 MB | 41 MB |
| Requires iOS | **6.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anthony Commisso](https://appshunter.io/developer/569310177) | [Ugur Ersoy](https://appshunter.io/developer/1337866568) |

## What reviewers say

### RDS Test

[App page](https://appshunter.io/ios/app/rds-test/id990139073)

**Features:** macOS Compatibility

**In-app purchases:** none


### StudyLens

[App page](https://appshunter.io/ios/app/studylens-ai-quiz-maker/id6757408010)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Monthly | $4.99 | per month |
| Standard Yearly | $49.99 | per year |


## Frequently asked questions

### Is RDS Test free?

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

### Is StudyLens free?

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

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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.*