# Numerio vs Double Digits

Numerio and Double Digits are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Numerio | Double Digits |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 4 MB | 28 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VASYL LESPUCH](https://appshunter.io/developer/1870322414) | [shota shimogama](https://appshunter.io/developer/6796290145) |

## What reviewers say

### Numerio

[App page](https://appshunter.io/ios/app/numerio-mental-math-trainer/id6758019050)

**Features:** macOS Compatibility

**In-app purchases:** none


### Double Digits

[App page](https://appshunter.io/ios/app/double-digits-mental-math/id6796290143)

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

**In-app purchases:** none


## Frequently asked questions

### Is Numerio free?

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

### Is Double Digits free?

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

### Do Numerio or Double Digits have ads?

Neither Numerio nor Double Digits shows ads.

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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.*