# MDict vs iKnow Birds PRO

The clearest difference is in-app purchases: MDict at none against iKnow Birds PRO's 2. MDict also leads on review sentiment (75% vs 49%) and device support (4 vs 2). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. iKnow Birds PRO sells 2 in-app purchases, starting at $1.99 per month. MDict asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.1 for MDict against 4.0 for iKnow Birds PRO. Both are backed by a comparable volume of ratings — 32 and 33 respectively. Written reviews are what separate them: 75% of MDict's written reviews are positive against 49% of iKnow Birds PRO's.

MDict ships an update every 3 months, iKnow Birds PRO every 2 months. The most recent releases landed on November 1, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | MDict | iKnow Birds PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (32 ratings)](https://appshunter.io/ios/app/mdict/id389083586/reviews)** | [4.0 (33 ratings)](https://appshunter.io/ios/app/iknow-birds-pro/id947434163/reviews) |
| Number of ratings | 32 | **33** |
| Positive reviews | **75.0% of reviews** | 48.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 27 MB | 456 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [文伟 张](https://appshunter.io/developer/389083589) | [NATURE MOBILE](https://appshunter.io/developer/964511943) |

## What reviewers say

### MDict

[App page](https://appshunter.io/ios/app/mdict/id389083586)

This open platform dictionary app supports multiple languages and allows users to download various pre-built dictionary data. It offers fast lookups, rich text content, pronunciation, search history, and in-page search capabilities.

**Highlights:** Multi-language support, Downloadable dictionary data, Fast lookup and loading, Rich text content, Pronunciation support, Favorites and search history

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient
- 👍 Simple and straightforward
- 💡 Supports large dictionary files
- 👍 Great for language learning
- 👍 Long-term user loyalty

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Audio issues after updates
- 🐛 Clipboard lookup not working
- 🐛 Appearance settings reset
- 🐛 Misaligned UI elements

**Reported bugs**

- Appearance settings reset on macOS
- UI misalignment in appearance settings
- Full-text search missing on mobile
- Daylight mode not working at night
- Cannot add custom fonts to iOS version

**Requested features**

- Full-text search on mobile
- Custom font support for dictionary entries
- Add fonts to iOS version
- Dark mode
- Add collection folders


### iKnow Birds PRO

[App page](https://appshunter.io/ios/app/iknow-birds-pro/id947434163)

Identify North American birds with a comprehensive field guide. Features detailed species information, professional images, and bird calls. Connect with experts for identification help and track your sightings.

**Highlights:** Comprehensive bird species library, High-quality images and bird calls, Online species consultation with experts, Sighting tracking with GPS and photos, Species training quiz game, Identification by appearance, habitat, and order

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iKnow Birds PRO - Monthly | $1.99 | per month |
| iKnow Birds PRO - Yearly | $5.99 | per year |


## Frequently asked questions

### Is MDict free?

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

### Is iKnow Birds PRO free?

iKnow Birds PRO is free to download, with in-app purchases available.

### Which has better reviews, MDict or iKnow Birds PRO?

MDict is rated higher. MDict averages 4.1 out of 5 from 32 ratings, while iKnow Birds PRO averages 4.0 from 33 ratings.

### Do MDict or iKnow Birds PRO have ads?

Neither MDict nor iKnow Birds PRO shows ads.

### Which is updated more often, MDict or iKnow Birds PRO?

MDict ships an update every 3 months, and iKnow Birds PRO every 2 months. Most recently, MDict was updated on November 1, 2026 and iKnow Birds PRO on October 22, 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.*