# Switch Binary Game vs Lymphedema Exam by Rocket Prep

The clearest difference is in-app purchases: Switch Binary Game at none against Lymphedema Exam by Rocket Prep's 6. Switch Binary Game also leads on iOS requirement (12.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Lymphedema Exam by Rocket Prep sells 6 in-app purchases, starting at $7.99 per 7 days. Switch Binary Game asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Switch Binary Game | Lymphedema Exam by Rocket Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 61 MB | 42 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Sophie Nathalie Zieschang](https://appshunter.io/developer/1605925895) | [Darya Pyzhyk](https://appshunter.io/developer/1799009188) |

## What reviewers say

### Switch Binary Game

[App page](https://appshunter.io/ios/app/switch-binary-game/id6502103845)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lymphedema Exam by Rocket Prep

[App page](https://appshunter.io/ios/app/lymphedema-exam-by-rocket-prep/id6762360949)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lymph Weekly Full Access | $7.99 | per 7 days |
| Lymph Monthly Full Access | $17.99 | per month |
| Lymph Monthly Full Access | $17.99 | per month |
| Lymph_mock_tries_1 | $4.99 | one-time |
| Lymph_mock_tries_3 | $9.99 | one-time |
| Lymph_mock_tries_5 | $14.99 | one-time |


## Frequently asked questions

### Is Switch Binary Game free?

Switch Binary Game is free to download, with no in-app purchases.

### Is Lymphedema Exam by Rocket Prep free?

Lymphedema Exam by Rocket Prep is free to download, with in-app purchases available.

### Do Switch Binary Game or Lymphedema Exam by Rocket Prep have ads?

Neither Switch Binary Game nor Lymphedema Exam by Rocket Prep shows ads.

### Which is updated more often, Switch Binary Game or Lymphedema Exam by Rocket Prep?

Switch Binary Game ships an update every 3 months, and Lymphedema Exam by Rocket Prep every 3 months. Most recently, Switch Binary Game was updated on October 16, 2026 and Lymphedema Exam by Rocket Prep on October 18, 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.*