# ReadLens vs Lingden

The clearest difference is update cadence: Lingden at fortnightly against ReadLens's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ReadLens sells 3 in-app purchases, starting at $1.99 per month and Lingden sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReadLens ships an update every 6 months, Lingden fortnightly. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ReadLens | Lingden |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Size | 82 MB | 9 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JIEUN SONG](https://appshunter.io/developer/1891034196) | [Mohammad Jasour](https://appshunter.io/developer/1895286437) |

## What reviewers say

### ReadLens

[App page](https://appshunter.io/ios/app/readlens-ai-text-analyzer/id6761712530)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Quarterly Subscription | $5.99 | per 3 months |
| Annual Subscription | $19.99 | per year |


### Lingden

[App page](https://appshunter.io/ios/app/lingden-language-learning/id6764651508)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lingden Pro Monthly | $4.99 | per month |
| Lingden Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is ReadLens free?

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

### Is Lingden free?

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

### Do ReadLens or Lingden have ads?

Neither ReadLens nor Lingden shows ads.

### Which is updated more often, ReadLens or Lingden?

ReadLens ships an update every 6 months, and Lingden fortnightly. Most recently, ReadLens was updated on October 18, 2026 and Lingden on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*