# Tetravex vs Deduce

The clearest difference is in-app purchases: Tetravex at none against Deduce's 10. Tetravex also leads on ratings volume (6 vs 2). On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Tetravex against 5.0 for Deduce. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Tetravex ships an update every 7 months, Deduce every 8 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Tetravex | Deduce |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/tetravex/id1589034511/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/deduce/id6745759798/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 8 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 76 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Berson](https://appshunter.io/developer/1531453464) | [Mark Mainwood](https://appshunter.io/developer/769006329) |

## What reviewers say

### Tetravex

[App page](https://appshunter.io/ios/app/tetravex/id1589034511)

A challenging puzzle game where players must arrange tiles so that the edges of adjacent tiles perfectly match. Test your logic and spatial reasoning skills in this engaging brain teaser.

**Highlights:** Edge-matching tile arrangement, Logic and spatial reasoning challenges, Engaging brain teaser gameplay, Simple, intuitive mechanics

**Features:** macOS Compatibility

**In-app purchases:** none


### Deduce

[App page](https://appshunter.io/ios/app/deduce/id6745759798)

Engage your mind with daily logic puzzles designed for all skill levels. Explore a vast archive of handcrafted challenges, with themed packs available for purchase. Enjoy a distraction-free experience focused purely on gameplay.

**Highlights:** Three daily puzzles (Easy, Medium, Hard), Instant access to over 100 puzzles, Themed puzzle packs (free and paid), In-app tutorial and strategy guide, Handcrafted puzzles with unique solutions, Ad-free, timer-free gameplay

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kids' Pack 1 | $0.99 | one-time |
| Hard Pack 1 | $0.99 | one-time |
| Just + and x 1 | $0.99 | one-time |
| Mixed Pack 1 | $0.99 | one-time |
| Just + and > 1 | $0.99 | one-time |
| Just x and > 1 | $0.99 | one-time |
| Medium Pack 1 | $0.99 | one-time |
| Easy Pack 1 | $0.99 | one-time |
| Access Archives | $1.99 | one-time |
| Extra Hard Pack 1 | $1.99 | one-time |


## Frequently asked questions

### Is Tetravex free?

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

### Is Deduce free?

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

### Which has better reviews, Tetravex or Deduce?

Tetravex and Deduce are both rated 5.0 out of 5 on the App Store, from 6 and 2 ratings respectively.

### Do Tetravex or Deduce have ads?

Neither Tetravex nor Deduce shows ads.

### Which is updated more often, Tetravex or Deduce?

Tetravex ships an update every 7 months, and Deduce every 8 months. Most recently, Tetravex was updated on November 3, 2026 and Deduce on November 5, 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.*