# CalcFlow vs Simple Math Operations

The clearest difference is ads: Simple Math Operations at none against CalcFlow's shown. Simple Math Operations also leads on update cadence (every 3 months vs every 8 months). CalcFlow's advantage is iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. CalcFlow sells 2 in-app purchases, starting at $4.99 per month and Simple Math Operations sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CalcFlow ships an update every 8 months, Simple Math Operations every 3 months. The most recent releases landed on September 10, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | CalcFlow | Simple Math Operations |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 3 months** |
| Size | 75 MB | 13 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kota tada](https://appshunter.io/developer/1658942612) | [Ahmet Tek](https://appshunter.io/developer/1844955483) |

## What reviewers say

### CalcFlow

[App page](https://appshunter.io/ios/app/calcflow-math-skills-trainer/id6749810926)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $29.99 | per year |


### 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 |


## Frequently asked questions

### Is CalcFlow free?

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

### Is Simple Math Operations free?

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

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

CalcFlow shows ads; Simple Math Operations does not.

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

CalcFlow ships an update every 8 months, and Simple Math Operations every 3 months. Most recently, CalcFlow was updated on September 10, 2026 and Simple Math Operations on September 25, 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.*