# Modulo Calculator. vs Think in Numbers

The clearest difference is ads: Think in Numbers at none against Modulo Calculator.'s shown. Modulo Calculator.'s advantage is iOS requirement (12.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Modulo Calculator. ships an update every 4 months, Think in Numbers every 5 months. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Modulo Calculator. | Think in Numbers |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 5 months |
| Size | 29 MB | 4 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Milos Lukas Ziolkowski](https://appshunter.io/developer/1778486821) | [OANA RINALDI](https://appshunter.io/developer/1709880614) |

## What reviewers say

### Modulo Calculator.

[App page](https://appshunter.io/ios/app/modulo-calculator/id6737914141)

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

**In-app purchases:** none


### Think in Numbers

[App page](https://appshunter.io/ios/app/think-in-numbers/id6757310514)

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

**In-app purchases:** none


## Frequently asked questions

### Is Modulo Calculator. free?

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

### Is Think in Numbers free?

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

### Do Modulo Calculator. or Think in Numbers have ads?

Modulo Calculator. shows ads; Think in Numbers does not.

### Which is updated more often, Modulo Calculator. or Think in Numbers?

Modulo Calculator. ships an update every 4 months, and Think in Numbers every 5 months. Most recently, Modulo Calculator. was updated on November 6, 2026 and Think in Numbers on October 31, 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.*