# Calculator 3D vs 小灵龙App

The clearest difference is rating: Calculator 3D at 4.0 against 小灵龙App's 1.0. Calculator 3D also leads on review sentiment (67% vs 33%). 小灵龙App's advantage is in-app purchases (none vs 1) and ratings volume (12 vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calculator 3D sells 1 one-off in-app purchase. 小灵龙App asks for nothing beyond the download.

Calculator 3D holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 12 respectively. Written reviews point the same way: 67% of Calculator 3D's written reviews are positive against 33% of 小灵龙App's.

Calculator 3D ships an update every 5 weeks, 小灵龙App monthly. The most recent releases landed on August 31, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Calculator 3D | 小灵龙App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/calculator-3d/id879830848/reviews)** | [1.0 (12 ratings)](https://appshunter.io/ios/app/app/id1221738240/reviews) |
| Number of ratings | 4 | **12** |
| Positive reviews | **66.7% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 181 MB | 157 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bo Kalvslund](https://appshunter.io/developer/572272193) | [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

### Calculator 3D

[App page](https://appshunter.io/ios/app/calculator-3d/id879830848)

This utility app offers a unique calculator experience with animated characters presenting results. Enjoy interactive features like swiping to change backgrounds and reset numbers, all enhanced by atmospheric sounds. It's a fun and colorful way to perform calculations.

**Highlights:** Animated character results, Swipe gestures for background/reset, Atmospheric sound effects, Interactive animations based on result size, Customizable background colors

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad | $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 Calculator 3D free?

Calculator 3D 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, Calculator 3D or 小灵龙App?

Calculator 3D is rated higher. Calculator 3D averages 4.0 out of 5 from 4 ratings, while 小灵龙App averages 1.0 from 12 ratings.

### Do Calculator 3D or 小灵龙App have ads?

Both Calculator 3D and 小灵龙App show ads.

### Which is updated more often, Calculator 3D or 小灵龙App?

Calculator 3D ships an update every 5 weeks, and 小灵龙App monthly. Most recently, Calculator 3D was updated on August 31, 2026 and 小灵龙App on September 22, 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.*