# DEX vs StudyLex

The clearest difference is in-app purchases: DEX at none against StudyLex's 10. DEX also leads on update cadence (every 5 weeks vs every 11 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. StudyLex sells 10 one-off in-app purchases. DEX asks for nothing beyond the download.

DEX ships an update every 5 weeks, StudyLex every 11 months. The most recent releases landed on October 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | DEX | StudyLex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/dex-synthesis-plus-declensions/id6468361913/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 11 months |
| Monetization | Free | — |
| Size | 66 MB | 146 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WIND METHOD S.R.L.](https://appshunter.io/developer/1592543821) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### DEX

[App page](https://appshunter.io/ios/app/dex-synthesis-plus-declensions/id6468361913)

This app provides a comprehensive Romanian Explanatory Dictionary with detailed synthesis and declension information. Access over 600,000 records, view summary results, and explore word declensions and conjugations. Save favorite words and review your search history.

**Highlights:** 600,000+ database records, Synthesis and declensions, Summary results screen, Declension and conjugation screen, Search history, Favorite words

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

**In-app purchases:** none


### StudyLex

[App page](https://appshunter.io/ios/app/studylex/id6480918023)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - BI | $59.99 | one-time |
| Package - BJ | $59.99 | one-time |
| Package - BK | $69.99 | one-time |
| Package - BL | $69.99 | one-time |
| Package - BM | $79.99 | one-time |
| Package - BN | $79.99 | one-time |
| Package - BO | $89.99 | one-time |
| Package - BR | $99.99 | one-time |
| Package - BP | $99.99 | one-time |
| Package - BQ | $99.99 | one-time |


## Frequently asked questions

### Is DEX free?

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

### Is StudyLex free?

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

### Do DEX or StudyLex have ads?

Neither DEX nor StudyLex shows ads.

### Which is updated more often, DEX or StudyLex?

DEX ships an update every 5 weeks, and StudyLex every 11 months. Most recently, DEX was updated on October 7, 2026 and StudyLex on October 27, 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.*