# Collins vs Mission OPC Directory

The clearest difference is price: Mission OPC Directory at Free against Collins's $14.99. Mission OPC Directory also leads on update cadence (every 8 days vs every 5 months) and iOS requirement (15.0 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

Mission OPC Directory is free to download; Collins costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Collins ships an update every 5 months, Mission OPC Directory every 8 days. The most recent releases landed on October 27, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Collins | Mission OPC Directory |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[4.7 (641 ratings)](https://appshunter.io/ios/app/collins-robert-concise/id292238137/reviews)** | — |
| Number of ratings | **641** | — |
| Positive reviews | 59.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | Paid | — |
| Size | 18 MB | 45 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ultralingua, Inc.](https://appshunter.io/developer/284677754) | [Mission Orthodox Presbyterian Church](https://appshunter.io/developer/1781075314) |

## What reviewers say

### Collins

[App page](https://appshunter.io/ios/app/collins-robert-concise/id292238137)

This comprehensive French-English dictionary offers extensive vocabulary, verb conjugations, and usage notes. It provides smart search functionality, offline access, and text-to-speech for pronunciation. Ideal for students and language professionals needing a reliable reference tool.

**Highlights:** 57,000 headwords and 190,000 translations, 90,000+ example phrases, Full verb conjugations, Hundreds of usage notes, No internet connection required, Smart search with misspelling correction, Text-to-speech pronunciation

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 🚀 Comprehensive dictionary
- 🚀 Excellent verb conjugations
- 🚀 Offline availability
- 👍 Detailed definitions and examples

**What reviewers complain about**

- 🐛 Crashes and bugs after updates
- 🐛 Missing common words and expressions
- 🔍 Difficult to navigate and search
- 💰 Expensive for an app
- 🔍 Clunky interface

**Reported bugs**

- Keyboard and display issues after updates
- Incorrect verb conjugations
- Inability to search for conjugated forms

**Requested features**

- Audio pronunciations
- Ability to save/review words
- Improved search and navigation
- Expanded vocabulary coverage
- Night mode option


### Mission OPC Directory

[App page](https://appshunter.io/ios/app/mission-opc-directory/id6792811851)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Collins free?

Collins costs $14.99, with no in-app purchases.

### Is Mission OPC Directory free?

Mission OPC Directory is free to download, with no in-app purchases.

### Do Collins or Mission OPC Directory have ads?

Neither Collins nor Mission OPC Directory shows ads.

### Which is updated more often, Collins or Mission OPC Directory?

Collins ships an update every 5 months, and Mission OPC Directory every 8 days. Most recently, Collins was updated on October 27, 2026 and Mission OPC Directory on September 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.*