# USMLE Step 2 Test Preparation vs Bonobon

The clearest difference is price: Bonobon at Free against USMLE Step 2 Test Preparation's $4.99. Bonobon also leads on update cadence (every 8 days vs every 37 months). USMLE Step 2 Test Preparation's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Bonobon is free to download; USMLE Step 2 Test Preparation costs $4.99 up front. Bonobon sells 2 in-app purchases, starting at $12.99 per month. USMLE Step 2 Test Preparation asks for nothing beyond the download.

USMLE Step 2 Test Preparation ships an update every 37 months, Bonobon every 8 days. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | USMLE Step 2 Test Preparation | Bonobon |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 37 months | **Every 8 days** |
| Size | 16 MB | 21 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) | [Stanislav Leontev](https://appshunter.io/developer/6777495857) |

## What reviewers say

### USMLE Step 2 Test Preparation

[App page](https://appshunter.io/ios/app/usmle-step-2-test-preparation/id1463390479)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bonobon

[App page](https://appshunter.io/ios/app/bonobon/id6777495855)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bonobon Premium Monthly | $12.99 | per month |
| Bonobon Premium Annual | $89.99 | per year |


## Frequently asked questions

### Is USMLE Step 2 Test Preparation free?

USMLE Step 2 Test Preparation costs $4.99, with no in-app purchases.

### Is Bonobon free?

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

### Do USMLE Step 2 Test Preparation or Bonobon have ads?

Bonobon shows ads; USMLE Step 2 Test Preparation does not.

### Which is updated more often, USMLE Step 2 Test Preparation or Bonobon?

USMLE Step 2 Test Preparation ships an update every 37 months, and Bonobon every 8 days. Most recently, USMLE Step 2 Test Preparation was updated on October 26, 2026 and Bonobon on October 31, 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.*