# DefineTestTerms vs OpenDict

The clearest difference is update cadence: OpenDict at monthly against DefineTestTerms's every 20 months. DefineTestTerms's advantage is iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DefineTestTerms ships an update every 20 months, OpenDict monthly. The most recent releases landed on October 13, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | DefineTestTerms | OpenDict |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/definetestterms/id1661148814/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Monthly** |
| Monetization | Free | Free |
| Size | 31 MB | 23 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ESP Solutions Group, Inc.](https://appshunter.io/developer/1605962614) | [Dominik Gyecsek](https://appshunter.io/developer/1447946653) |

## What reviewers say

### DefineTestTerms

[App page](https://appshunter.io/ios/app/definetestterms/id1661148814)

Access a comprehensive glossary of assessment terms for quick definitions. This app is beneficial for understanding general and technical terms while reading reports, attending lectures, or engaging in various educational tasks.

**Highlights:** Comprehensive glossary of assessment terms, Definitions for general and technical terms, Quick access to definitions, Beneficial for educational tasks, Accessible on iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


### OpenDict

[App page](https://appshunter.io/ios/app/opendict-offline-dictionary/id6741465715)

This app provides an extensive offline dictionary and translator with support for over 200 languages. It offers lightning-fast searches, instant translations, and detailed definitions, all without requiring an internet connection. Organize your vocabulary with custom tags and enjoy a completely ad-free and subscription-free experience.

**Highlights:** Offline dictionary and translator, Support for 226 languages, Lightning-fast offline search, Instant translations and definitions, Customizable tags for organization, 100% ad-free and subscription-free

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DefineTestTerms free?

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

### Is OpenDict free?

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

### Do DefineTestTerms or OpenDict have ads?

Neither DefineTestTerms nor OpenDict shows ads.

### Which is updated more often, DefineTestTerms or OpenDict?

DefineTestTerms ships an update every 20 months, and OpenDict monthly. Most recently, DefineTestTerms was updated on October 13, 2026 and OpenDict on September 23, 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.*