# Case Files vs Serolab

The clearest difference is in-app purchases: Serolab at none against Case Files's 6. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Case Files sells 6 in-app purchases, starting at $9.99 per 7 days. Serolab asks for nothing beyond the download.

## The numbers

| Metric | Case Files | Serolab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 21 months | — |
| Size | 20 MB | 47 MB |
| Requires iOS | 15.6 | **14.0.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Expanded Apps](https://appshunter.io/developer/313709778) | [Waad saud F AlOSAIMI](https://appshunter.io/developer/1859546971) |

## What reviewers say

### Case Files

[App page](https://appshunter.io/ios/app/case-files-biochemistry/id955265985)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $9.99 | per 7 days |
| Weekly Access | $10.99 | per 7 days |
| 1 Month | $18.99 | per month |
| 1 Year | $79.99 | per year |
| Lifetime Access | $29.99 | one-time |
| Case Files Biochemistry Test Review Questions for USMLE Step 1 & NBDE Exams | $39.99 | one-time |


### Serolab

[App page](https://appshunter.io/ios/app/serolab/id6756251700)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Case Files free?

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

### Is Serolab free?

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

### Do Case Files or Serolab have ads?

Neither Case Files nor Serolab 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.*