# Raket SDG vs Simple Math Operations

The clearest difference is in-app purchases: Raket SDG at none against Simple Math Operations's 1. On price, update cadence, ads and device support there is nothing between them.

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

Raket SDG ships an update every 2 months, Simple Math Operations every 3 months. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Raket SDG | Simple Math Operations |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 85 MB | 16 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Genel Yayin A.S.](https://appshunter.io/developer/651463243) | [Ahmet Tek](https://appshunter.io/developer/1844955483) |

## What reviewers say

### Raket SDG

[App page](https://appshunter.io/ios/app/raket-sdg/id6738576838)

**In-app purchases:** none


### 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 | $0.99 | one-time |


## Frequently asked questions

### Is Raket SDG free?

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

### Is Simple Math Operations free?

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

### Do Raket SDG or Simple Math Operations have ads?

Neither Raket SDG nor Simple Math Operations shows ads.

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

Raket SDG ships an update every 2 months, and Simple Math Operations every 3 months. Most recently, Raket SDG was updated on November 8, 2026 and Simple Math Operations on November 9, 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.*