# Word Unknown vs PrimeXTime

The clearest difference is update cadence: PrimeXTime at every 4 months against Word Unknown's every 16 months. Word Unknown's advantage is ratings volume (11 vs 2) and iOS requirement (6.0 vs 17.6). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Word Unknown against 5.0 for PrimeXTime. That said, the two scores are not equally well evidenced: Word Unknown has 11 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Word Unknown ships an update every 16 months, PrimeXTime every 4 months. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Word Unknown | PrimeXTime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (11 ratings)](https://appshunter.io/ios/app/word-unknown/id1064901570/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/primextime/id1253706544/reviews)** |
| Number of ratings | **11** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 15 MB | 6 MB |
| Requires iOS | **6.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cinq-Mars Media](https://appshunter.io/developer/924648806) | [Rick Hutchinson](https://appshunter.io/developer/1253697991) |

## What reviewers say

### Word Unknown

[App page](https://appshunter.io/ios/app/word-unknown/id1064901570)

A fun and simple word guessing game inspired by Hangman and Mastermind. Use logic to deduce a hidden word within a limited number of attempts, receiving feedback on correct letters and positions. Offers multiple difficulty levels and a daily challenge for competitive play.

**Highlights:** Word guessing gameplay, Lexical and deductive logic, Letter position feedback (X's and O's), Five difficulty levels, Daily challenge mode, Free and open source

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

**In-app purchases:** none


### PrimeXTime

[App page](https://appshunter.io/ios/app/primextime/id1253706544)

Engage your mind with a unique number-based puzzle game. Start with a random number and strategically divide by single-digit primes. Bump the number by multiplying by 10 and adding a digit to reach 1 and win.

**Highlights:** Number division by primes, Strategic bumping mechanic, Goal to reduce number to 1, Brain exercise gameplay, Simple, intuitive interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Word Unknown free?

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

### Is PrimeXTime free?

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

### Which has better reviews, Word Unknown or PrimeXTime?

PrimeXTime is rated higher. Word Unknown averages 4.9 out of 5 from 11 ratings, while PrimeXTime averages 5.0 from 2 ratings.

### Do Word Unknown or PrimeXTime have ads?

Neither Word Unknown nor PrimeXTime shows ads.

### Which is updated more often, Word Unknown or PrimeXTime?

Word Unknown ships an update every 16 months, and PrimeXTime every 4 months. Most recently, Word Unknown was updated on October 18, 2026 and PrimeXTime on October 13, 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.*