# 掌上青大 vs Paralango

The clearest difference is in-app purchases: 掌上青大 at none against Paralango's 2. 掌上青大 also leads on iOS requirement (13.0 vs 17.0). Paralango's advantage is update cadence (every 6 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Paralango sells 2 in-app purchases, starting at $2.00 per month. 掌上青大 asks for nothing beyond the download.

掌上青大 ships an update every 4 months, Paralango every 6 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 掌上青大 | Paralango |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/paralango/id6795933686/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 96 MB | 24 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [上海树维信息科技有限公司](https://appshunter.io/developer/994850925) | [慧 张](https://appshunter.io/developer/6794973759) |

## What reviewers say

### 掌上青大

[App page](https://appshunter.io/ios/app/id1463909703)

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

**In-app purchases:** none


### Paralango

[App page](https://appshunter.io/ios/app/paralango/id6795933686)

Learn languages by interacting with your environment. Take photos of objects, and the app will label them in your chosen language. Access detailed word cards with pronunciation and examples, and save vocabulary for future study.

**Highlights:** Photo analysis for object identification, Object labeling in selected languages, Word cards with pronunciation and examples, Save scenes and words for review, Switch between learning languages

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.00 | per month |
| Premium Annual | $20.00 | per year |


## Frequently asked questions

### Is 掌上青大 free?

掌上青大 is free to download, with no in-app purchases.

### Is Paralango free?

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

### Do 掌上青大 or Paralango have ads?

Neither 掌上青大 nor Paralango shows ads.

### Which is updated more often, 掌上青大 or Paralango?

掌上青大 ships an update every 4 months, and Paralango every 6 days. Most recently, 掌上青大 was updated on November 3, 2026 and Paralango on October 24, 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.*