# 产检助手 vs Langboard

The clearest difference is ads: 产检助手 at none against Langboard's shown. Langboard's advantage is update cadence (every 2 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 产检助手 sells 1 one-off in-app purchase and Langboard sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

产检助手 ships an update every 2 months, Langboard every 2 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 产检助手 | Langboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/langboard/id6796965860/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 41 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [爱华 刘](https://appshunter.io/developer/1797362038) | [晓冬 黄](https://appshunter.io/developer/1891291794) |

## What reviewers say

### 产检助手

[App page](https://appshunter.io/ios/app/id6748213321)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro功能订阅 | $0.99 | one-time |


### Langboard

[App page](https://appshunter.io/ios/app/langboard/id6796965860)

Transform your daily typing into an effortless language learning experience. This keyboard provides real-time sentence translations and phrase-by-phrase meanings as you type, allowing you to learn new languages through your everyday conversations and searches.

**Highlights:** Real-time sentence translation, Phrase-by-phrase learning, Switch learning languages, One-tap text replacement, Learn from daily typing, No app switching needed

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $4.99 | per year |
| Lifetime plan | $9.99 | one-time |


## Frequently asked questions

### Is 产检助手 free?

产检助手 is free to download, with in-app purchases available.

### Is Langboard free?

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

### Do 产检助手 or Langboard have ads?

Langboard shows ads; 产检助手 does not.

### Which is updated more often, 产检助手 or Langboard?

产检助手 ships an update every 2 months, and Langboard every 2 days. Most recently, 产检助手 was updated on October 25, 2026 and Langboard on October 29, 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.*