# Rastro vs Induction

The clearest difference is in-app purchases: Induction at none against Rastro's 1. Induction also leads on iOS requirement (15.0 vs 26.0). Rastro's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

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

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

## The numbers

| Metric | Rastro | Induction |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 2 days |
| Size | 11 MB | 86 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Ruben Gonzalez](https://appshunter.io/developer/1885517252) | [Connexus Digital, LLC](https://appshunter.io/developer/1869669203) |

## What reviewers say

### Rastro

[App page](https://appshunter.io/ios/app/rastro-deduction-puzzle/id6763000801)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $0.99 | one-time |


### Induction

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

**In-app purchases:** none


## Frequently asked questions

### Is Rastro free?

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

### Is Induction free?

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

### Do Rastro or Induction have ads?

Induction shows ads; Rastro does not.

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

Rastro ships an update daily, and Induction every 2 days. Most recently, Rastro 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.*