# ngrms vs Pi

The clearest difference is in-app purchases: ngrms at none against Pi's 5. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pi sells 5 one-off in-app purchases. ngrms asks for nothing beyond the download.

## The numbers

| Metric | ngrms | Pi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 21 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Leopold Lemmermann](https://appshunter.io/developer/1601683341) | [REMESHY LTD](https://appshunter.io/developer/1519992155) |

## What reviewers say

### ngrms

[App page](https://appshunter.io/ios/app/ngrms/id6742056026)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pi

[App page](https://appshunter.io/ios/app/pi-math-memory-puzzle-game/id6744679735)

Test your memory and math skills by recalling digits of Pi in a survival game. Unlock boosters to extend your game and improve your score. Perfect for all ages looking to sharpen their minds.

**Highlights:** Memorize Pi digits in survival mode, Unlock boosters for extended gameplay, Improve memory and mental math skills, Practice multiplication and math facts, Climb the leaderboard, Designed for all ages

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5K Credits | $0.99 | one-time |
| 12K Credits | $1.99 | one-time |
| 25K Credits | $2.99 | one-time |
| 50K Credits | $3.99 | one-time |
| 100K Credits | $4.99 | one-time |


## Frequently asked questions

### Is ngrms free?

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

### Is Pi free?

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

### Do ngrms or Pi have ads?

Neither ngrms nor Pi shows ads.

---

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