# Numboard vs 小灵龙App

The clearest difference is rating: Numboard at 2.1 against 小灵龙App's 1.0. Numboard also leads on ads (none vs shown). 小灵龙App's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 11.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Numboard sells 1 one-off in-app purchase. 小灵龙App asks for nothing beyond the download.

Numboard holds the better App Store score, 2.1 against 1.0. Both are backed by a comparable volume of ratings — 23 and 12 respectively. Written reviews complicate that: 27% of Numboard's written reviews are positive against 33% of 小灵龙App's, so the app with the better star average is not the one people write more warmly about.

Numboard ships an update every 3 weeks, 小灵龙App monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Numboard | 小灵龙App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (23 ratings)](https://appshunter.io/ios/app/numboard-scientific-keyboard/id1175536307/reviews)** | [1.0 (12 ratings)](https://appshunter.io/ios/app/app/id1221738240/reviews) |
| Number of ratings | **23** | 12 |
| Positive reviews | 26.8% of reviews | **33.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 157 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zetegy LLC](https://appshunter.io/developer/1441879472) | [北京新中新诚通信息技术股份有限公司](https://appshunter.io/developer/736575065) |

## What reviewers say

### Numboard

[App page](https://appshunter.io/ios/app/numboard-scientific-keyboard/id1175536307)

This keyboard app provides over 110 math and science symbols, along with real-time expression evaluation. It functions as a keyboard extension, allowing you to use its advanced features in any application for homework or complex calculations.

**Highlights:** 110+ math and science symbols, Real-time expression evaluation, Keyboard extension for any app, Advanced autocomplete for math, Intuitive typing and design

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Numboard Pro | $0.99 | one-time |


### 小灵龙App

[App page](https://appshunter.io/ios/app/app/id1221738240)

This app provides comprehensive mobile services for campus cards, including traditional card functions like consumption and authentication, enhanced with QR code capabilities. It offers features for managing your campus card, paying various campus fees, and booking campus facilities.

**Highlights:** Campus card management, QR code functionality, Campus fee payments, Facility booking, Card application and registration

**In-app purchases:** none


## Frequently asked questions

### Is Numboard free?

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

### Is 小灵龙App free?

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

### Which has better reviews, Numboard or 小灵龙App?

Numboard is rated higher. Numboard averages 2.1 out of 5 from 23 ratings, while 小灵龙App averages 1.0 from 12 ratings.

### Do Numboard or 小灵龙App have ads?

小灵龙App shows ads; Numboard does not.

### Which is updated more often, Numboard or 小灵龙App?

Numboard ships an update every 3 weeks, and 小灵龙App monthly. Most recently, Numboard was updated on October 24, 2026 and 小灵龙App on October 24, 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.*