# Lattern vs Infinity Number Memory

Lattern and Infinity Number Memory are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Lattern sells 4 in-app purchases, starting at $2.99 per 7 days and Infinity Number Memory sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Lattern | Infinity Number Memory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 days | — |
| Size | 20 MB | 43 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [J&B Creations LLC](https://appshunter.io/developer/1895160810) | [masato nishikawa](https://appshunter.io/developer/6776209987) |

## What reviewers say

### 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 |


### Infinity Number Memory

[App page](https://appshunter.io/ios/app/infinity-number-memory/id6798958034)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


## Frequently asked questions

### Is Lattern free?

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

### Is Infinity Number Memory free?

Infinity Number Memory is free to download, with in-app purchases available.

### Do Lattern or Infinity Number Memory have ads?

Both Lattern and Infinity Number Memory show ads.

---

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