# APES Prep vs ChemLens

The clearest difference is iOS requirement: ChemLens at 13.0 against APES Prep's 15.1. 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.

## The numbers

| Metric | APES Prep | ChemLens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 35 MB | 21 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Small Animal Surgeries Inc](https://appshunter.io/developer/1870736337) | [Coding Minds, Inc.](https://appshunter.io/developer/1480612283) |

## What reviewers say

### APES Prep

[App page](https://appshunter.io/ios/app/apes-prep/id6761887254)

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

**In-app purchases:** none


### ChemLens

[App page](https://appshunter.io/ios/app/chemlens/id6768885496)

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

**In-app purchases:** none


## Frequently asked questions

### Is APES Prep free?

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

### Is ChemLens free?

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

### Do APES Prep or ChemLens have ads?

Neither APES Prep nor ChemLens shows ads.

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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.*