# PgMP Prep & Test vs Rethink Drink

The clearest difference is in-app purchases: Rethink Drink at none against PgMP Prep & Test's 3. PgMP Prep & Test's advantage is update cadence (every 2 months vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PgMP Prep & Test sells 3 in-app purchases, starting at $4.99 per month. Rethink Drink asks for nothing beyond the download.

PgMP Prep & Test ships an update every 2 months, Rethink Drink every 4 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PgMP Prep & Test | Rethink Drink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 19 MB | 15 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [学勇 张](https://appshunter.io/developer/590340880) | [Visibility Academy Limited](https://appshunter.io/developer/1768760299) |

## What reviewers say

### PgMP Prep & Test

[App page](https://appshunter.io/ios/app/pgmp-prep-and-test/id6503639240)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MONTHLY | $4.99 | per month |
| 3 MONTHS | $9.99 | per 3 months |
| YEARLY | $19.99 | per year |


### Rethink Drink

[App page](https://appshunter.io/ios/app/rethink-drink/id6739879353)

**In-app purchases:** none


## Frequently asked questions

### Is PgMP Prep & Test free?

PgMP Prep & Test is free to download, with in-app purchases available.

### Is Rethink Drink free?

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

### Do PgMP Prep & Test or Rethink Drink have ads?

Neither PgMP Prep & Test nor Rethink Drink shows ads.

### Which is updated more often, PgMP Prep & Test or Rethink Drink?

PgMP Prep & Test ships an update every 2 months, and Rethink Drink every 4 months. Most recently, PgMP Prep & Test was updated on November 4, 2026 and Rethink Drink on October 30, 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.*