# Words Lens vs Quantitative QiMen 奇門

The clearest difference is price: Words Lens at Free against Quantitative QiMen 奇門's $129.99. Words Lens also leads on update cadence (every 4 weeks vs every 3 months). Quantitative QiMen 奇門's advantage is ads (none vs shown) and iOS requirement (13.0 vs 26.0). On in-app purchases and device support there is nothing between them.

Words Lens is free to download; Quantitative QiMen 奇門 costs $129.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Words Lens ships an update every 4 weeks, Quantitative QiMen 奇門 every 3 months. The most recent releases landed on October 25, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Words Lens | Quantitative QiMen 奇門 |
| --- | --- | --- |
| Price | **Free** | $129.99 |
| Rating | **[4.4 (24 ratings)](https://appshunter.io/ios/app/words-lens/id1489872903/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 9 MB | 16 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [YOYASOFT LLC](https://appshunter.io/developer/325345561) | [Djauhery .](https://appshunter.io/developer/1510896841) |

## What reviewers say

### Words Lens

[App page](https://appshunter.io/ios/app/words-lens/id1489872903)

Instantly get definitions for words you encounter in books, signs, or brochures by simply snapping a photo. This utility app helps you quickly understand complex vocabulary without manual searching. It intelligently skips common words in English to speed up the lookup process.

**Highlights:** Instant word definitions via camera, Scan books, signs, and brochures, Automatic skipping of common words, Supports multiple device languages, Quick vocabulary lookup

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

**In-app purchases:** none


### Quantitative QiMen 奇門

[App page](https://appshunter.io/ios/app/quantitative-qimen/id1510896842)

**In-app purchases:** none


## Frequently asked questions

### Is Words Lens free?

Words Lens is free to download, with no in-app purchases.

### Is Quantitative QiMen 奇門 free?

Quantitative QiMen 奇門 costs $129.99, with no in-app purchases.

### Do Words Lens or Quantitative QiMen 奇門 have ads?

Words Lens shows ads; Quantitative QiMen 奇門 does not.

### Which is updated more often, Words Lens or Quantitative QiMen 奇門?

Words Lens ships an update every 4 weeks, and Quantitative QiMen 奇門 every 3 months. Most recently, Words Lens was updated on October 25, 2026 and Quantitative QiMen 奇門 on October 3, 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.*