# uCertifyPrep PMI PgMP vs Rethink Drink

The clearest difference is in-app purchases: Rethink Drink at none against uCertifyPrep PMI PgMP's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. uCertifyPrep PMI PgMP sells 1 one-off in-app purchase. Rethink Drink asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | uCertifyPrep PMI PgMP | Rethink Drink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Size | 121 MB | 15 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [uCertify.com](https://appshunter.io/developer/1130631061) | [Visibility Academy Limited](https://appshunter.io/developer/1768760299) |

## What reviewers say

### uCertifyPrep PMI PgMP

[App page](https://appshunter.io/ios/app/ucertifyprep-pmi-pgmp/id1611730357)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| uCertifyPrep PMI PgMP | $49.99 | one-time |


### Rethink Drink

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

**In-app purchases:** none


## Frequently asked questions

### Is uCertifyPrep PMI PgMP free?

uCertifyPrep PMI PgMP 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 uCertifyPrep PMI PgMP or Rethink Drink have ads?

Neither uCertifyPrep PMI PgMP nor Rethink Drink shows ads.

### Which is updated more often, uCertifyPrep PMI PgMP or Rethink Drink?

uCertifyPrep PMI PgMP ships an update every 4 months, and Rethink Drink every 4 months. Most recently, uCertifyPrep PMI PgMP was updated on October 13, 2026 and Rethink Drink on October 10, 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.*