# NumberSense App vs eReadBook

The clearest difference is update cadence: NumberSense App at every 5 weeks against eReadBook's every 10 months. 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.

NumberSense App ships an update every 5 weeks, eReadBook every 10 months. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | NumberSense App | eReadBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/numbersense-app/id1196173011/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 10 months |
| Monetization | Free | — |
| Size | 21 MB | 1.5 GB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JumpCO Digital](https://appshunter.io/developer/934789978) | [Guangzhou Childhood Technology Co.,Ltd](https://appshunter.io/developer/375730659) |

## What reviewers say

### NumberSense App

[App page](https://appshunter.io/ios/app/numbersense-app/id1196173011)

This app offers a digital version of a workbook series, providing instant feedback for children and progress reports for parents and teachers. It uses curriculum-linked analysis to identify areas needing improvement.

**Highlights:** Digital workbook format, Instant feedback for children, Automatic marking, Progress reports for parents/teachers, Curriculum-linked analysis, Remediation support

**Features:** macOS Compatibility

**In-app purchases:** none


### eReadBook

[App page](https://appshunter.io/ios/app/ereadbook/id6443910427)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NumberSense App free?

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

### Is eReadBook free?

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

### Do NumberSense App or eReadBook have ads?

Neither NumberSense App nor eReadBook shows ads.

### Which is updated more often, NumberSense App or eReadBook?

NumberSense App ships an update every 5 weeks, and eReadBook every 10 months. Most recently, NumberSense App was updated on October 20, 2026 and eReadBook on October 19, 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.*