# Simple Math Operations vs Memo

The clearest difference is in-app purchases: Memo at none against Simple Math Operations's 1. Memo also leads on update cadence (every 8 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Simple Math Operations sells 1 one-off in-app purchase. Memo asks for nothing beyond the download.

Simple Math Operations ships an update every 3 months, Memo every 8 days. The most recent releases landed on October 12, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Simple Math Operations | Memo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/memo-math-trainer-for-kids/id6763733046/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | — | Free |
| Size | 13 MB | 102 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ahmet Tek](https://appshunter.io/developer/1844955483) | [Nils Ackermann](https://appshunter.io/developer/1308556492) |

## What reviewers say

### Simple Math Operations

[App page](https://appshunter.io/ios/app/simple-math-operations/id6758960191)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $6.99 | one-time |


### Memo

[App page](https://appshunter.io/ios/app/memo-math-trainer-for-kids/id6763733046)

This app provides engaging math practice for elementary school children, covering core skills like addition, subtraction, multiplication, and division. It offers bite-sized sessions, fun game modes, and rewards to motivate learning. Designed for parents seeking a safe, ad-free, and offline experience, it tracks progress for up to four children on a single device.

**Highlights:** Bite-sized math practice sessions, Covers addition, subtraction, multiplication, division, Metric conversion and time telling, Fractions and decimals with visual aids, Multiple game modes: Quick Round, Beat the Clock, Progress tracking for up to 4 children, Offline and ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simple Math Operations free?

Simple Math Operations is free to download, with in-app purchases available.

### Is Memo free?

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

### Do Simple Math Operations or Memo have ads?

Neither Simple Math Operations nor Memo shows ads.

### Which is updated more often, Simple Math Operations or Memo?

Simple Math Operations ships an update every 3 months, and Memo every 8 days. Most recently, Simple Math Operations was updated on October 12, 2026 and Memo on October 22, 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.*