# LineaLogic vs Induction

The clearest difference is in-app purchases: Induction at none against LineaLogic's 1. Induction also leads on update cadence (every 2 days vs every 8 days) and iOS requirement (15.0 vs 17.0). LineaLogic's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. LineaLogic sells 1 one-off in-app purchase. Induction asks for nothing beyond the download.

LineaLogic ships an update every 8 days, Induction every 2 days. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | LineaLogic | Induction |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Every 2 days** |
| Size | 3 MB | 86 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [michael dardol](https://appshunter.io/developer/478875188) | [Connexus Digital, LLC](https://appshunter.io/developer/1869669203) |

## What reviewers say

### LineaLogic

[App page](https://appshunter.io/ios/app/linealogic-logic-puzzle/id6786031407)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlocks all main levels | $4.99 | one-time |


### Induction

[App page](https://appshunter.io/ios/app/induction-logic-deduction/id6804293700)

**In-app purchases:** none


## Frequently asked questions

### Is LineaLogic free?

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

### Is Induction free?

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

### Do LineaLogic or Induction have ads?

Induction shows ads; LineaLogic does not.

### Which is updated more often, LineaLogic or Induction?

LineaLogic ships an update every 8 days, and Induction every 2 days. Most recently, LineaLogic was updated on October 9, 2026 and Induction on October 7, 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.*