# Dictionary and Thesaurus Pro vs Sensus

The clearest difference is price: Sensus at Free against Dictionary and Thesaurus Pro's $9.99. Sensus also leads on update cadence (every 3 weeks vs every 4 months). Dictionary and Thesaurus Pro's advantage is in-app purchases (none vs 1) and chart position (#71 vs unranked). On ads and device support there is nothing between them.

Sensus is free to download; Dictionary and Thesaurus Pro costs $9.99 up front. Sensus sells 1 one-off in-app purchase. Dictionary and Thesaurus Pro asks for nothing beyond the download.

Dictionary and Thesaurus Pro ships an update every 4 months, Sensus every 3 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dictionary and Thesaurus Pro | Sensus |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.9 (2.6K ratings)](https://appshunter.io/ios/app/dictionary-and-thesaurus-pro/id492085918/reviews)** | — |
| Number of ratings | **2.6K** | — |
| Positive reviews | 86.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#71** | — |
| Size | 22 MB | 314 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Farlex, Inc.](https://appshunter.io/developer/379450386) | [Lukasz Zielony](https://appshunter.io/developer/1230609309) |

## What reviewers say

### Dictionary and Thesaurus Pro

[App page](https://appshunter.io/ios/app/dictionary-and-thesaurus-pro/id492085918)

**Currently charting:** #71 Top Paid · Reference (US App Store)

Access a comprehensive offline dictionary and thesaurus with extensive content in multiple languages. Explore definitions, synonyms, and specialized dictionaries for various fields. Enjoy an ad-free experience with features like word games and instant lookups.

**Highlights:** Ad-free experience, Offline English dictionary and thesaurus, Offline dictionaries in 13 languages, Offline translations to over 40 languages, Specialty dictionaries (Medical, Legal, etc.), Word games and daily content, Instant word lookup from other apps

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Comprehensive and detailed definitions
- 💡 Helpful translation and pronunciation features
- 👍 Useful word games and trivia
- 👍 Offline mode availability

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔍 Limited thesaurus functionality
- 🔍 Lack of customization options
- 💰 Paid version required to remove ads

**Reported bugs**

- Search function sometimes fails to load definitions
- Offline mode has fewer word entries than online
- Occasional sync issues between online and offline data

**Requested features**

- Add more language dictionaries
- Improve thesaurus with more synonyms and antonyms
- Implement flashcard or vocabulary building features
- Allow users to save custom word lists


### Sensus

[App page](https://appshunter.io/ios/app/sensus-english-dictionary/id6479359129)

Explore the English language with a comprehensive dictionary and thesaurus. Access over 1.2 million words and phrases, including offline capabilities, detailed definitions, and pronunciation guides. Offers translations in multiple languages and an ad-free, one-time purchase experience.

**Highlights:** 1.2 million words and phrases, Offline access, Multiple etymologies, Detailed definitions, Pronunciation guides, Semantic relationships, Multi-language translations

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $0.99 | one-time |


## Frequently asked questions

### Is Dictionary and Thesaurus Pro free?

Dictionary and Thesaurus Pro costs $9.99, with no in-app purchases.

### Is Sensus free?

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

### Do Dictionary and Thesaurus Pro or Sensus have ads?

Neither Dictionary and Thesaurus Pro nor Sensus shows ads.

### Which is updated more often, Dictionary and Thesaurus Pro or Sensus?

Dictionary and Thesaurus Pro ships an update every 4 months, and Sensus every 3 weeks. Most recently, Dictionary and Thesaurus Pro was updated on October 27, 2026 and Sensus on October 24, 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.*