# Ultralingua vs SkyDict

Ultralingua and SkyDict both sit at 4.7 stars, but that hides the real split: 90% of SkyDict's written reviews are positive against 54% of Ultralingua's. SkyDict also leads on in-app purchases (none vs 10) and update cadence (weekly vs every 4 months). Ultralingua's advantage is ratings volume (393 vs 35). On price, rating, ads and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.7 for Ultralingua against 4.7 for SkyDict. That said, the two scores are not equally well evidenced: Ultralingua has 393 ratings behind it against 35, so its average is the more settled of the two. Written reviews are what separate them: 54% of Ultralingua's written reviews are positive against 90% of SkyDict's.

Ultralingua ships an update every 4 months, SkyDict weekly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Ultralingua | SkyDict |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (393 ratings)](https://appshunter.io/ios/app/ultralingua/id512347062/reviews) | **[4.7 (35 ratings)](https://appshunter.io/ios/app/skydict/id1561473775/reviews)** |
| Number of ratings | **393** | 35 |
| Positive reviews | 54.1% of reviews | **90.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 4 MB |
| Requires iOS | 18.6 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ultralingua, Inc.](https://appshunter.io/developer/284677754) | [Chunxia Li](https://appshunter.io/developer/1561473388) |

## What reviewers say

### Ultralingua

[App page](https://appshunter.io/ios/app/ultralingua/id512347062)

This app offers a comprehensive bilingual dictionary and verb conjugator with advanced search capabilities. Access a vast library of dictionaries from renowned publishers, with offline functionality and customizable display options. Perfect for language learners, travelers, and professionals needing quick and accurate translations.

**Highlights:** Advanced search with misspelling correction, Built-in verb conjugations for all tenses, Offline dictionary access, Favorites and history tracking, Customizable font and interface settings, Search across multiple dictionaries simultaneously

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| French Thesaurus | $2.99 | one-time |
| French Dictionary | $4.99 | one-time |
| Latin-English Dictionary | $5.99 | one-time |
| French-English Dictionary | $12.99 | one-time |
| Spanish-English Dictionary | $12.99 | one-time |
| German-English Dictionary | $12.99 | one-time |
| Italian-English Dictionary | $12.99 | one-time |
| Portuguese-English Dictionary | $12.99 | one-time |
| Vox Comprehensive Spanish Dictionary | $14.99 | one-time |
| Collins Spanish-English Dictionary | $17.99 | one-time |

**What reviewers like**

- 💯 Excellent dictionary with comprehensive content
- 👍 Easy to use and navigate
- 🔍 Convenient verb conjugations and example sentences
- 🔒 Offline functionality
- 🗂️ Consolidated dictionaries in one app

**What reviewers complain about**

- 🐛 Crashes and performance issues on newer iOS versions
- 🔀 Difficulty integrating previously purchased dictionaries
- 💰 Expensive for existing users to upgrade
- 📱 Layout and font issues on iPhone X and newer devices
- 🔍 Limited search functionality compared to competitors

**Reported bugs**

- Crashes on launch for some users
- Inability to restore previously purchased dictionaries
- Slow performance and lagging issues
- Incomplete or missing translations for some words

**Requested features**

- Add voice pronunciation for words
- Improve search to handle partial word inputs
- Integrate with language learning apps and services
- Offer more languages and dictionary options
- Provide better syncing between devices


### SkyDict

[App page](https://appshunter.io/ios/app/skydict/id1561473775)

This app allows users to simultaneously search for word definitions across numerous online English dictionaries. It offers a seamless browsing experience with swipe gestures and includes a dark theme. Users can also look up words directly from other applications.

**Highlights:** Simultaneous multi-dictionary lookups, Swipe to switch dictionaries, Dark theme support, In-app word lookup via share menu, No ads or account required

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Ultralingua free?

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

### Is SkyDict free?

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

### Which has better reviews, Ultralingua or SkyDict?

SkyDict is rated higher. Ultralingua averages 4.7 out of 5 from 393 ratings, while SkyDict averages 4.7 from 35 ratings.

### Do Ultralingua or SkyDict have ads?

Neither Ultralingua nor SkyDict shows ads.

### Which is updated more often, Ultralingua or SkyDict?

Ultralingua ships an update every 4 months, and SkyDict weekly. Most recently, Ultralingua was updated on November 1, 2026 and SkyDict on November 3, 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.*