# HTbox vs Case Files

The clearest difference is in-app purchases: HTbox at none against Case Files's 6. HTbox also leads on update cadence (every 2 months vs every 6 months) and iOS requirement (9.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Case Files sells 6 in-app purchases, starting at $8.99 per 7 days. HTbox asks for nothing beyond the download.

HTbox ships an update every 2 months, Case Files every 6 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | HTbox | Case Files |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 24 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [3clicks sp. z o.o.](https://appshunter.io/developer/1136238813) | [Expanded Apps](https://appshunter.io/developer/313709778) |

## What reviewers say

### HTbox

[App page](https://appshunter.io/ios/app/htbox/id1160276909)

**Features:** macOS Compatibility

**In-app purchases:** none


### Case Files

[App page](https://appshunter.io/ios/app/case-files-critical-care/id1278187510)

Master critical care scenarios with real clinical cases designed for rapid decision-making and confident patient management. This app helps you develop clinical judgment for ICU settings and prepares you for exams like USMLE Step 2 CK.

**Highlights:** 40+ high-yield ICU cases, Step-by-step clinical decision-making, Clear explanations and clinical pearls, Exam prep for USMLE Step 2 CK, Progress tracking, Case-based learning

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $8.99 | per 7 days |
| Weekly Access | $11.99 | per 7 days |
| Monthly Access | $19.99 | per month |
| 1 Year | $79.99 | per year |
| Lifetime Access | $39.99 | one-time |
| Case Files Critical Care, 2e | $44.99 | one-time |


## Frequently asked questions

### Is HTbox free?

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

### Is Case Files free?

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

### Do HTbox or Case Files have ads?

Neither HTbox nor Case Files shows ads.

### Which is updated more often, HTbox or Case Files?

HTbox ships an update every 2 months, and Case Files every 6 months. Most recently, HTbox was updated on October 29, 2026 and Case Files on October 27, 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.*