# FlashGrid vs Lattern

The clearest difference is in-app purchases: FlashGrid at none against Lattern's 4. FlashGrid also leads on iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Lattern sells 4 in-app purchases, starting at $2.99 per 7 days. FlashGrid asks for nothing beyond the download.

## The numbers

| Metric | FlashGrid | Lattern |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 3 days |
| Size | 23 MB | 20 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Pushkar Kathuria](https://appshunter.io/developer/1896538275) | [J&B Creations LLC](https://appshunter.io/developer/1895160810) |

## What reviewers say

### FlashGrid

[App page](https://appshunter.io/ios/app/flashgrid-memory-sequence/id6772741553)

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

**In-app purchases:** none


### Lattern

[App page](https://appshunter.io/ios/app/lattern-memory-grid-puzzle/id6775867842)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lattern+ Weekly | $2.99 | per 7 days |
| Lattern+ Monthly | $4.99 | per month |
| Lattern+ Yearly | $19.99 | per year |
| Lattern+ Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is FlashGrid free?

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

### Is Lattern free?

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

### Do FlashGrid or Lattern have ads?

Both FlashGrid and Lattern show 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.*