# WordBook (Universal) vs Power Thesaurus

The clearest difference is price: Power Thesaurus at Free against WordBook (Universal)'s $2.99. Power Thesaurus also leads on update cadence (monthly vs every 4 months) and ratings volume (3.1K vs 275). WordBook (Universal)'s advantage is in-app purchases (none vs 2) and ads (none vs shown). On rating, review sentiment and device support there is nothing between them.

Power Thesaurus is free to download; WordBook (Universal) costs $2.99 up front. Power Thesaurus sells 2 in-app purchases, starting at $3.99 per month. WordBook (Universal) asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for WordBook (Universal) against 4.8 for Power Thesaurus. That said, the two scores are not equally well evidenced: Power Thesaurus has 3.1K ratings behind it against 275, so its average is the more settled of the two. Written reviews are what separate them: 88% of WordBook (Universal)'s written reviews are positive against 86% of Power Thesaurus's.

WordBook (Universal) ships an update every 4 months, Power Thesaurus monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | WordBook (Universal) | Power Thesaurus |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.7 (275 ratings)](https://appshunter.io/ios/app/wordbook-universal/id364030280/reviews) | **[4.8 (3.1K ratings)](https://appshunter.io/ios/app/power-thesaurus/id967211375/reviews)** |
| Number of ratings | 275 | **3.1K** |
| Positive reviews | **87.6% of reviews** | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | **Freemium** |
| Size | 28 MB | 70 MB |
| Requires iOS | **7.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [TranCreative Software](https://appshunter.io/developer/289694927) | [Radyushin Pty Ltd](https://appshunter.io/developer/967209274) |

## What reviewers say

### WordBook (Universal)

[App page](https://appshunter.io/ios/app/wordbook-universal/id364030280)

This comprehensive English dictionary and thesaurus offers extensive definitions, word origins, and pronunciation guides. It includes a built-in spell checker, bookmarking, and advanced search capabilities for word puzzles.

**Highlights:** Professionally recorded pronunciations, Word origin information (Etymologies), Built-in spell checker, Bookmark and note management, Advanced word search and puzzle solver, 150,000+ entries with 220,000+ definitions, Words of the Day

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

**In-app purchases:** none

**What reviewers like**

- 👍 Comprehensive dictionary with detailed definitions
- 🚀 Fast and efficient lookup
- 💡 Helpful thesaurus and word origin features
- 👍 Customizable web links for additional reference
- 👍 Useful for crosswords and puzzles

**What reviewers complain about**

- 🐛 Some words missing or inaccurate definitions
- 🔇 Pronunciation issues or missing audio
- 🚫 Lack of updates and new features
- 🚫 Limited vocabulary compared to other dictionaries
- 🚫 Censored words and features

**Reported bugs**

- Crashes and freezes, especially on newer devices
- Compatibility issues with recent iOS versions
- Anagram solver not working as expected

**Requested features**

- Dark mode option
- More comprehensive vocabulary
- Improved pronunciation and audio support
- Regular updates and new features
- Better optimization for iPad and split-screen use


### Power Thesaurus

[App page](https://appshunter.io/ios/app/power-thesaurus/id967211375)

Find accurate synonyms, antonyms, definitions, and related words with this comprehensive and fast thesaurus. Designed for writers, students, and professionals, it offers intuitive navigation and smart filters to help you express ideas clearly and confidently.

**Highlights:** Ad-free PRO Membership, Intuitive navigation, Smart filters, Flexible sorting, Quick tools (copy, pronounce, save), Personal library (favorites, history), Cross-device sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $3.99 | per month |
| PRO Annual | $29.99 | per year |

**What reviewers like**

- ⭐ Invaluable tool for everyone
- 🚀 Must have
- ⭐ Superior
- ⭐ Synonyms
- ⭐ Indispensable

**What reviewers complain about**

- 🔌 Could be better
- 🐛 Crashes
- 🐛 Crashes the second you tried to open it
- 🐛 New updates cause crashes
- 🐛 Crashes and won't open

**Reported bugs**

- Login screen freezes
- Incompatible with older devices
- Paid account suddenly gone?
- App still crashes after update

**Requested features**

- Separate favorites and new words/vocabulary
- Flash card review mode with audio
- Bookmark/favorite feature
- Dark mode option
- Advanced analytics dashboard


## Frequently asked questions

### Is WordBook (Universal) free?

WordBook (Universal) costs $2.99, with no in-app purchases.

### Is Power Thesaurus free?

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

### Which has better reviews, WordBook (Universal) or Power Thesaurus?

Power Thesaurus is rated higher. WordBook (Universal) averages 4.7 out of 5 from 275 ratings, while Power Thesaurus averages 4.8 from 3.1K ratings.

### Do WordBook (Universal) or Power Thesaurus have ads?

Power Thesaurus shows ads; WordBook (Universal) does not.

### Which is updated more often, WordBook (Universal) or Power Thesaurus?

WordBook (Universal) ships an update every 4 months, and Power Thesaurus monthly. Most recently, WordBook (Universal) was updated on October 24, 2026 and Power Thesaurus 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.*