# DSS ProINSIGHT vs Booktionary

The clearest difference is price: DSS ProINSIGHT at Free against Booktionary's $1.99. DSS ProINSIGHT also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Booktionary's advantage is update cadence (every 2 days vs monthly) and chart position (#22 vs unranked). On ads and in-app purchases there is nothing between them.

DSS ProINSIGHT is free to download; Booktionary costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DSS ProINSIGHT ships an update monthly, Booktionary every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DSS ProINSIGHT | Booktionary |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | — | Paid |
| Best chart rank | — | **#22** |
| Size | 60 MB | 154 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Portcullis Acuity](https://appshunter.io/developer/1620529166) | [FREDERIC D VINCENT](https://appshunter.io/developer/6796368338) |

## What reviewers say

### DSS ProINSIGHT

[App page](https://appshunter.io/ios/app/dss-proinsight/id6758413643)

**In-app purchases:** none


### Booktionary

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

**Currently charting:** #22 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 DSS ProINSIGHT free?

DSS ProINSIGHT is free to download, with no in-app purchases.

### Is Booktionary free?

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

### Do DSS ProINSIGHT or Booktionary have ads?

Neither DSS ProINSIGHT nor Booktionary shows ads.

### Which is updated more often, DSS ProINSIGHT or Booktionary?

DSS ProINSIGHT ships an update monthly, and Booktionary every 2 days. Most recently, DSS ProINSIGHT was updated on October 24, 2026 and Booktionary on October 25, 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.*