# Nuclide Chart vs HSK Panda

The clearest difference is update cadence: Nuclide Chart at daily against HSK Panda's every 4 days. HSK Panda's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Nuclide Chart sells 1 one-off in-app purchase and HSK Panda sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Nuclide Chart ships an update daily, HSK Panda every 4 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Nuclide Chart | HSK Panda |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Monetization | — | Freemium |
| Size | 15 MB | 113 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Peer Jansen](https://appshunter.io/developer/1859289195) | [Hiroshi Chin](https://appshunter.io/developer/1500891101) |

## What reviewers say

### Nuclide Chart

[App page](https://appshunter.io/ios/app/nuclide-chart/id6756217497)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nuclide Chart Pro | $2.99 | one-time |


### HSK Panda

[App page](https://appshunter.io/ios/app/hsk-panda/id6758777391)

Master Chinese vocabulary with a structured learning system that includes reading, listening, and testing. Earn rewards and track progress with a daily habit-building approach. Focus on words you haven't mastered and practice pronunciation with native speakers.

**Highlights:** Structured learning system, Daily habit-building with rewards, Text and audio learning modes, Focus on unknown words, Native Mandarin pronunciation, Collectible panda stamps

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HSK単語帳プレミアム | $1.99 | per month |


## Frequently asked questions

### Is Nuclide Chart free?

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

### Is HSK Panda free?

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

### Do Nuclide Chart or HSK Panda have ads?

Neither Nuclide Chart nor HSK Panda shows ads.

### Which is updated more often, Nuclide Chart or HSK Panda?

Nuclide Chart ships an update daily, and HSK Panda every 4 days. Most recently, Nuclide Chart was updated on November 5, 2026 and HSK Panda on November 5, 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.*