# bigdict vs DoSan

The clearest difference is in-app purchases: DoSan at none against bigdict's 7. DoSan also leads on iOS requirement (13.0 vs 16.0). bigdict's advantage is update cadence (every 5 days vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. bigdict sells 7 one-off in-app purchases. DoSan asks for nothing beyond the download.

bigdict ships an update every 5 days, DoSan every 7 months. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | bigdict | DoSan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (25 ratings)](https://appshunter.io/ios/app/bigdict-multiple-languages/id1356051135/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 52.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 91 MB | 50 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tran Quoc Chung](https://appshunter.io/developer/866560624) | [Tran Cong Nghia](https://appshunter.io/developer/1540219036) |

## What reviewers say

### bigdict

[App page](https://appshunter.io/ios/app/bigdict-multiple-languages/id1356051135)

This is a multilingual dictionary app that supports English, Russian, German, French, Chinese, and Japanese. It offers smart keyword search and integrates with Google Translate. It also functions as a social network for language learners to ask questions and contribute new words.

**Highlights:** Multilingual dictionary (EN, RU, DE, FR, ZH, JA), Smart keyword search, Google Translate integration, Language learning social network, Ask and answer questions, Contribute new words

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Từ điển kỹ thuật Nga Việt | $0.99 | one-time |
| Từ điển Quân sự Nga Việt | $0.99 | one-time |
| Từ điển Sinh học Nga Việt | $0.99 | one-time |
| Từ điển Ngôn ngữ Nga Việt | $0.99 | one-time |
| Từ điển Pháp Việt | $0.99 | one-time |
| Viet-Français dictionnaire | $0.99 | one-time |
| Gỡ bỏ quảng cáo trên ứng dụng | $3.99 | one-time |


### DoSan

[App page](https://appshunter.io/ios/app/dosan/id1551374256)

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

**In-app purchases:** none


## Frequently asked questions

### Is bigdict free?

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

### Is DoSan free?

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

### Do bigdict or DoSan have ads?

Neither bigdict nor DoSan shows ads.

### Which is updated more often, bigdict or DoSan?

bigdict ships an update every 5 days, and DoSan every 7 months. Most recently, bigdict was updated on October 22, 2026 and DoSan 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.*