# Letters Rain vs Remember 3.1415

The clearest difference is iOS requirement: Letters Rain at 8.0 against Remember 3.1415's 13.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Letters Rain sells 5 one-off in-app purchases and Remember 3.1415 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Letters Rain | Remember 3.1415 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/remember-31415/id985688958/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 64 months |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 17 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Electas MB](https://appshunter.io/developer/439079633) | [杨军 朱](https://appshunter.io/developer/564474259) |

## What reviewers say

### Letters Rain

[App page](https://appshunter.io/ios/app/letters-rain/id904189145)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Swipes | $0.99 | one-time |
| 25 Swipes | $2.99 | one-time |
| 150 Swipes | $5.99 | one-time |
| 80 Swipes | $9.99 | one-time |
| 320 Swipes | $10.99 | one-time |


### Remember 3.1415

[App page](https://appshunter.io/ios/app/remember-31415/id985688958)

Challenge your math and logic skills with this game that tests your ability to recall digits of Pi. Compete against the clock in various timed modes or an endless challenge. AI provides helpful tips to improve your input speed and accuracy.

**Highlights:** Over 1 million digits of Pi, Multiple timed game modes, Endless challenge mode, AI-powered input tips, Game over on time or error

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Pro Version | $0.99 | one-time |


## Frequently asked questions

### Is Letters Rain free?

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

### Is Remember 3.1415 free?

Remember 3.1415 is free to download, with in-app purchases available.

### Do Letters Rain or Remember 3.1415 have ads?

Neither Letters Rain nor Remember 3.1415 shows ads.

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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.*