# Number Facts! vs Tavio

The clearest difference is in-app purchases: Number Facts! at none against Tavio's 3. Tavio's advantage is ads (none vs shown) and update cadence (every 8 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Tavio sells 3 in-app purchases, starting at $4.99 per month. Number Facts! asks for nothing beyond the download.

Number Facts! ships an update every 3 months, Tavio every 8 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Number Facts! | Tavio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 8 days** |
| Size | 30 MB | 69 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nandha Kumar Ravi](https://appshunter.io/developer/1430918680) | [Rashad Shirizada](https://appshunter.io/developer/1448917602) |

## What reviewers say

### Number Facts!

[App page](https://appshunter.io/ios/app/number-facts/id1491900209)

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

**In-app purchases:** none


### Tavio

[App page](https://appshunter.io/ios/app/tavio-practice-knowledge/id6754820663)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly Subsciption | $39.99 | per year |
| 50 Hearts Pack | $0.99 | one-time |


## Frequently asked questions

### Is Number Facts! free?

Number Facts! is free to download, with no in-app purchases.

### Is Tavio free?

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

### Do Number Facts! or Tavio have ads?

Number Facts! shows ads; Tavio does not.

### Which is updated more often, Number Facts! or Tavio?

Number Facts! ships an update every 3 months, and Tavio every 8 days. Most recently, Number Facts! was updated on October 26, 2026 and Tavio on October 28, 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.*