# Equation Encyclopedia vs نابغة

The clearest difference is in-app purchases: نابغة at none against Equation Encyclopedia's 9. نابغة also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Equation Encyclopedia sells 9 in-app purchases, starting at $6.99 per month. نابغة asks for nothing beyond the download.

Equation Encyclopedia ships an update every 4 days, نابغة weekly. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Equation Encyclopedia | نابغة |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Weekly |
| Size | 451 MB | 80 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SAMUEL MOYOSORE O ADEYIGA](https://appshunter.io/developer/1874179107) | [Mhd Tarek AL MALEK](https://appshunter.io/developer/1610533232) |

## What reviewers say

### Equation Encyclopedia

[App page](https://appshunter.io/ios/app/equation-encyclopedia/id6758647681)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $6.99 | per month |
| Pro Monthly | $10.99 | per month |
| Ultra Monthly | $17.99 | per month |
| Plus Yearly | $49.99 | per year |
| Pro Yearly | $99.99 | per year |
| Ultra Yearly | $149.99 | per year |
| 10 Energy | $0.99 | one-time |
| 30 Energy | $2.99 | one-time |
| 100 Energy | $8.99 | one-time |


### نابغة

[App page](https://appshunter.io/ios/app/id6771323979)

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

**In-app purchases:** none


## Frequently asked questions

### Is Equation Encyclopedia free?

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

### Is نابغة free?

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

### Do Equation Encyclopedia or نابغة have ads?

Equation Encyclopedia shows ads; نابغة does not.

### Which is updated more often, Equation Encyclopedia or نابغة?

Equation Encyclopedia ships an update every 4 days, and نابغة weekly. Most recently, Equation Encyclopedia was updated on October 10, 2026 and نابغة on October 9, 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.*