# Arithmetic Wiz vs Marni

The clearest difference is price: Marni at Free against Arithmetic Wiz's $3.99. Marni also leads on update cadence (daily vs every 4 months). Arithmetic Wiz's advantage is iOS requirement (11 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Marni is free to download; Arithmetic Wiz costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Arithmetic Wiz ships an update every 4 months, Marni daily. The most recent releases landed on June 5, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Arithmetic Wiz | Marni |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Paid | — |
| Size | 7 MB | 20 MB |
| Requires iOS | **11** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Rocket Studio](https://appshunter.io/developer/445439580) | [Saachi Techonologies Private Limited](https://appshunter.io/developer/1496780656) |

## What reviewers say

### Arithmetic Wiz

[App page](https://appshunter.io/ios/app/arithmetic-wiz/id507849351)

This app offers a fun and engaging way for children to practice essential arithmetic skills like addition, subtraction, multiplication, and division. It allows kids to challenge themselves to complete sums quickly, track their progress, and compete globally for high scores and rankings.

**Highlights:** Arithmetic drills for kids, Practice addition, subtraction, multiplication, division, Timed challenges, Performance history tracking, Global leaderboards and rankings, Earn trophies and golden stars

**Features:** macOS Compatibility

**In-app purchases:** none


### Marni

[App page](https://appshunter.io/ios/app/marni/id6741690686)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Arithmetic Wiz free?

Arithmetic Wiz costs $3.99, with no in-app purchases.

### Is Marni free?

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

### Do Arithmetic Wiz or Marni have ads?

Neither Arithmetic Wiz nor Marni shows ads.

### Which is updated more often, Arithmetic Wiz or Marni?

Arithmetic Wiz ships an update every 4 months, and Marni daily. Most recently, Arithmetic Wiz was updated on June 5, 2026 and Marni on May 16, 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.*