# 乐桃宝贝 vs cella

The clearest difference is in-app purchases: 乐桃宝贝 at none against cella's 1. 乐桃宝贝 also leads on iOS requirement (12.0 vs 17.0). cella's advantage is ads (none vs shown) and update cadence (every 10 days vs monthly). On price and device support there is nothing between them.

Both are free to download. cella sells 1 one-off in-app purchase. 乐桃宝贝 asks for nothing beyond the download.

乐桃宝贝 ships an update monthly, cella every 10 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 乐桃宝贝 | cella |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cella-crystal-viewer/id6790140743/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 60 MB | 71 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [杭州施强教育科技有限公司](https://appshunter.io/developer/1115035918) | [武汉回到未来科技有限公司](https://appshunter.io/developer/1891400712) |

## What reviewers say

### 乐桃宝贝

[App page](https://appshunter.io/ios/app/id6443748486)

**In-app purchases:** none


### cella

[App page](https://appshunter.io/ios/app/cella-crystal-viewer/id6790140743)

Explore crystal structures in interactive 3D. Visualize atomic arrangements, view different molecular models, and access a curated atlas of common materials. Supports CIF file import and export with a one-time purchase.

**Highlights:** Interactive 3D crystal exploration, Fifteen visual Cell Notes, Curated structure atlas, Multiple view modes (ball-and-stick, space-filling), Unit cell and (hkl) plane visualization, CIF file import and export (Pro), No ads, tracking, or analytics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| cella Pro | $5.99 | one-time |


## Frequently asked questions

### Is 乐桃宝贝 free?

乐桃宝贝 is free to download, with no in-app purchases.

### Is cella free?

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

### Do 乐桃宝贝 or cella have ads?

乐桃宝贝 shows ads; cella does not.

### Which is updated more often, 乐桃宝贝 or cella?

乐桃宝贝 ships an update monthly, and cella every 10 days. Most recently, 乐桃宝贝 was updated on October 27, 2026 and cella on October 31, 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.*