# Numbercus Extra

> Numbercus Extra (iPhone/iPad app by Ayodeji Yakubu.)

- Source: https://appshunter.io/ios/app/numbercus-extra/id983300690 (this page in markdown: same URL + `.md`)
- Developer: [Ayodeji Yakubu](https://appshunter.io/developer/979060693)
- Category: Education
- Price: $0.99
- Age rating: 4+
- Requires: iOS 9.2 · 16 MB
- Languages: English
- Released: 2015-05-13
- Data updated: 2025-04-13
- User reviews in markdown: https://appshunter.io/ios/app/numbercus-extra/id983300690/reviews.md

## What is Numbercus Extra?

Numbercus Extra is for people who have become familiar with the Numbercus App and feel that they still need more practice with fundamental aspect of integer numbers. 

Numbercus Extra provides the following exercises:
-see a random decimal number then try to match it with a bead number
-create a bead number between 0 and 999,999,999 then hear this number
-hear a random number then try to match it with bead number
-see a random quantity of squares then try to match this with a bead number
-create a bead number up to 359 and see it as an angle
-see an angle then try to match it with a bead number
-create a fraction with a denominator of up to 9 and see a pie chart of it.

Numbers are spoken in your iPad's language.

Numbercus Extra uses standard bead notation of a nine bead abacus.


## Version history (last 5 releases)

### 2.1.1 — 2021-08-06

Improved compatibility with newer iPadOS.

More information about some buttons.

### 2.1.0 — 2020-03-07

Updated with text and cosmetic bits.

### 2.0.1 — 2017-01-12

A number of buttons have been moved and one button has been redesigned for clarity.

### 2.0 — 2016-09-13

Addition of representation of fractions.

### 1.0 — 2015-05-08

No release notes.

## Apps similar to Numbercus Extra

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [GMAT Practice Test Prep](https://appshunter.io/ios/app/gmat-practice-test-prep/id1466940360) | — | Free | Education |
| [生物记](https://appshunter.io/ios/app/id1468297340) | — | Free | Education |
| [Calvary Palm City](https://appshunter.io/ios/app/calvary-palm-city/id1474137020) | 5.0 (1) | Free | Education |
| [GED® en Español](https://appshunter.io/ios/app/ged-en-espaol/id1479600000) | 3.0 (3) | $4.99 | Education |
| [Victoria International Schools](https://appshunter.io/ios/app/victoria-international-schools/id1480979200) | 5.0 (1) | Free | Education |
| [Namco UK](https://appshunter.io/ios/app/namco-uk/id1475083840) | — | Free | Education |

## More apps by Ayodeji Yakubu

- [Numbercus](https://appshunter.io/ios/app/numbercus/id979060694)
- [Sounds of English](https://appshunter.io/ios/app/sounds-of-english/id998179805)
- [Angle & Length](https://appshunter.io/ios/app/angle-and-length/id1141676382)
- [Sounds in Words](https://appshunter.io/ios/app/sounds-in-words/id1199581194)
- [Shamanic Journeying](https://appshunter.io/ios/app/shamanic-journeying/id1225322536)

All apps by Ayodeji Yakubu: https://appshunter.io/developer/979060693

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2025-04-13.*