# 步必记 vs Pocket Experiments Science Lab

The clearest difference is ads: 步必记 at none against Pocket Experiments Science Lab's shown. 步必记 also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 步必记 sells 2 in-app purchases, starting at $11.00 per month and Pocket Experiments Science Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

步必记 ships an update every 2 weeks, Pocket Experiments Science Lab every 9 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 步必记 | Pocket Experiments Science Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ai/id6474546585/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Freemium | — |
| Size | 85 MB | 12 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HardwareOrigin, LLC](https://appshunter.io/developer/1122462671) | [MIZOU, CO., LTD.](https://appshunter.io/developer/1542553141) |

## What reviewers say

### 步必记

[App page](https://appshunter.io/ios/app/ai/id6474546585)

This comprehensive AI-powered platform offers a suite of tools for language learning. It includes features like translation, dictionaries, text-to-speech, pronunciation assessment, and AI coaching to meet all your language study needs.

**Highlights:** AI language coaching, Translation and dictionary, Text-to-speech (TTS), Pronunciation assessment, Grammar analysis, Flashcards and notes

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KaZuo.AI Monthly Membership | $11.00 | per month |
| KaZuo.AI Annual Membership | $119.00 | per year |


### Pocket Experiments Science Lab

[App page](https://appshunter.io/ios/app/pocket-experiments-science-lab/id6810875310)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $29.99 | one-time |


## Frequently asked questions

### Is 步必记 free?

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

### Is Pocket Experiments Science Lab free?

Pocket Experiments Science Lab is free to download, with in-app purchases available.

### Do 步必记 or Pocket Experiments Science Lab have ads?

Pocket Experiments Science Lab shows ads; 步必记 does not.

### Which is updated more often, 步必记 or Pocket Experiments Science Lab?

步必记 ships an update every 2 weeks, and Pocket Experiments Science Lab every 9 days. Most recently, 步必记 was updated on October 20, 2026 and Pocket Experiments Science Lab on October 25, 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.*