# Pure Math Drills vs ADP GCP Data Practitioner Prep

The clearest difference is in-app purchases: Pure Math Drills at none against ADP GCP Data Practitioner Prep's 3. Pure Math Drills also leads on update cadence (every 5 days vs every 3 months). ADP GCP Data Practitioner Prep's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.4). On price and ads there is nothing between them.

Both are free to download. ADP GCP Data Practitioner Prep sells 3 in-app purchases, starting at $3.99 per month. Pure Math Drills asks for nothing beyond the download.

Pure Math Drills ships an update every 5 days, ADP GCP Data Practitioner Prep every 3 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Pure Math Drills | ADP GCP Data Practitioner Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 months |
| Size | 1 MB | 27 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Scriven](https://appshunter.io/developer/1818261951) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### Pure Math Drills

[App page](https://appshunter.io/ios/app/pure-math-drills/id6755940671)

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

**In-app purchases:** none


### ADP GCP Data Practitioner Prep

[App page](https://appshunter.io/ios/app/adp-gcp-data-practitioner-prep/id6756809464)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $14.99 | per year |
| Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Pure Math Drills free?

Pure Math Drills is free to download, with no in-app purchases.

### Is ADP GCP Data Practitioner Prep free?

ADP GCP Data Practitioner Prep is free to download, with in-app purchases available.

### Do Pure Math Drills or ADP GCP Data Practitioner Prep have ads?

Neither Pure Math Drills nor ADP GCP Data Practitioner Prep shows ads.

### Which is updated more often, Pure Math Drills or ADP GCP Data Practitioner Prep?

Pure Math Drills ships an update every 5 days, and ADP GCP Data Practitioner Prep every 3 months. Most recently, Pure Math Drills was updated on October 9, 2026 and ADP GCP Data Practitioner Prep on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*