# IOIO vs Numerare

The clearest difference is update cadence: Numerare at every 5 days against IOIO's every 18 months. IOIO's advantage is iOS requirement (9.0 vs 15.6). On price, ads, 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.

IOIO ships an update every 18 months, Numerare every 5 days. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | IOIO | Numerare |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/numerare/id1496426360/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 93 MB | 9 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Inoma](https://appshunter.io/developer/1209163763) | [Alphanums](https://appshunter.io/developer/1461715998) |

## What reviewers say

### IOIO

[App page](https://appshunter.io/ios/app/ioio/id1458533374)

**Features:** macOS Compatibility

**In-app purchases:** none


### Numerare

[App page](https://appshunter.io/ios/app/numerare/id1496426360)

Learn to read, write, and calculate with Roman numerals. Convert between Roman and Arabic numbers, practice with interactive exercises, and even use your camera to decipher inscriptions. Offers pronunciation and language support in multiple languages.

**Highlights:** Convert Roman to Arabic numerals, Convert Arabic to Roman numerals, Camera-based Roman numeral reading, Abacus-based calculation practice, Roman numeral pronunciation, Interactive Roman numeral games, Multi-language support

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

**In-app purchases:** none


## Frequently asked questions

### Is IOIO free?

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

### Is Numerare free?

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

### Do IOIO or Numerare have ads?

Neither IOIO nor Numerare shows ads.

### Which is updated more often, IOIO or Numerare?

IOIO ships an update every 18 months, and Numerare every 5 days. Most recently, IOIO was updated on October 13, 2026 and Numerare on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*