# Lupa Vision vs Booktionary

The clearest difference is price: Lupa Vision at Free against Booktionary's $1.99. Booktionary's advantage is in-app purchases (none vs 2) and update cadence (every 3 days vs every 9 days). On ads, device support and iOS requirement there is nothing between them.

Lupa Vision is free to download; Booktionary costs $1.99 up front. Lupa Vision sells 2 in-app purchases, starting at $4.99 per month. Booktionary asks for nothing beyond the download.

Lupa Vision ships an update every 9 days, Booktionary every 3 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Lupa Vision | Booktionary |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | — | Paid |
| Best chart rank | — | **#17** |
| Size | 58 MB | 154 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Orange Hill GmbH](https://appshunter.io/developer/1890863713) | [FREDERIC D VINCENT](https://appshunter.io/developer/6796368338) |

## What reviewers say

### Lupa Vision

[App page](https://appshunter.io/ios/app/lupa-vision/id6761683400)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $34.99 | per year |


### Booktionary

[App page](https://appshunter.io/ios/app/booktionary-camera-dictionary/id6796368335)

**Currently charting:** #17 Top Paid · Reference (US App Store)

Instantly look up unfamiliar words in books by pointing your iPhone camera at them. Get definitions that fit the sentence context and add translations for bilingual reading. Download resources once for offline use.

**Highlights:** Camera-based word lookup, Contextual definition matching, Bilingual word translations, Offline dictionary access, Supports 24 languages, No account required

**In-app purchases:** none


## Frequently asked questions

### Is Lupa Vision free?

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

### Is Booktionary free?

Booktionary costs $1.99, with no in-app purchases.

### Do Lupa Vision or Booktionary have ads?

Neither Lupa Vision nor Booktionary shows ads.

### Which is updated more often, Lupa Vision or Booktionary?

Lupa Vision ships an update every 9 days, and Booktionary every 3 days. Most recently, Lupa Vision was updated on October 25, 2026 and Booktionary 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.*