# Aritmo vs Lexideck

The clearest difference is ads: Lexideck at none against Aritmo's shown. Lexideck also leads on iOS requirement (13.0 vs 16.0). Aritmo's advantage is update cadence (every 2 days vs every 4 days). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Aritmo sells 2 in-app purchases, starting at $3.99 per month and Lexideck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Aritmo ships an update every 2 days, Lexideck every 4 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Aritmo | Lexideck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 4 days |
| Size | 13 MB | 22 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LUCCA EMMANUEL PINELI SIMOES LTDA](https://appshunter.io/developer/1884998353) | [Peter Knobloch](https://appshunter.io/developer/1884120488) |

## What reviewers say

### Aritmo

[App page](https://appshunter.io/ios/app/aritmo/id6760564207)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aritmo Premium | $3.99 | per month |
| Aritmo Yearly Premium Access | $29.99 | per year |


### Lexideck

[App page](https://appshunter.io/ios/app/lexideck-phonics-cards/id6774977859)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lexideck Plus | $3.99 | one-time |


## Frequently asked questions

### Is Aritmo free?

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

### Is Lexideck free?

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

### Do Aritmo or Lexideck have ads?

Aritmo shows ads; Lexideck does not.

### Which is updated more often, Aritmo or Lexideck?

Aritmo ships an update every 2 days, and Lexideck every 4 days. Most recently, Aritmo was updated on October 31, 2026 and Lexideck on October 28, 2026.

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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.*