# 培诺3D视界 vs NumberSparks

The clearest difference is in-app purchases: 培诺3D视界 at none against NumberSparks's 1. 培诺3D视界 also leads on iOS requirement (15.0 vs 18.2). NumberSparks's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. NumberSparks sells 1 one-off in-app purchase. 培诺3D视界 asks for nothing beyond the download.

培诺3D视界 ships an update every 3 weeks, NumberSparks weekly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 培诺3D视界 | NumberSparks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/3d/id6755416677/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 218 MB | 46 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [青岛培诺教育科技股份有限公司](https://appshunter.io/developer/914724758) | [Matthew Huang](https://appshunter.io/developer/1004891039) |

## What reviewers say

### 培诺3D视界

[App page](https://appshunter.io/ios/app/3d/id6755416677)

Transforms flat textbook knowledge into interactive 3D models, enhancing understanding and memory. Fosters focus, spatial imagination, and problem-solving skills through virtual exploration and experimentation.

**Highlights:** Interactive 3D models, Enhanced knowledge comprehension, Improved memory retention, Increased focus and attention, Spatial imagination development, Problem-solving skills enhancement, Virtual experimentation

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

**In-app purchases:** none


### NumberSparks

[App page](https://appshunter.io/ios/app/numbersparks/id6759198494)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is 培诺3D视界 free?

培诺3D视界 is free to download, with no in-app purchases.

### Is NumberSparks free?

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

### Do 培诺3D视界 or NumberSparks have ads?

Neither 培诺3D视界 nor NumberSparks shows ads.

### Which is updated more often, 培诺3D视界 or NumberSparks?

培诺3D视界 ships an update every 3 weeks, and NumberSparks weekly. Most recently, 培诺3D视界 was updated on October 24, 2026 and NumberSparks on October 7, 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.*