# AI Question Solver vs Spiro Sketch

The clearest difference is price: AI Question Solver at Free against Spiro Sketch's $0.99. AI Question Solver also leads on in-app purchases (none vs 1) and iOS requirement (12.0 vs 15.0). On update cadence, ads and device support there is nothing between them.

AI Question Solver is free to download; Spiro Sketch costs $0.99 up front. Spiro Sketch sells 1 one-off in-app purchase. AI Question Solver asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. Both last shipped on October 20, 2026.

## The numbers

| Metric | AI Question Solver | Spiro Sketch |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 37 MB | 8 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aykut YILDIRIM](https://appshunter.io/developer/1682027491) | [hyeonsu jeong](https://appshunter.io/developer/1628268684) |

## What reviewers say

### AI Question Solver

[App page](https://appshunter.io/ios/app/ai-question-solver/id6483004600)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spiro Sketch

[App page](https://appshunter.io/ios/app/spiro-sketch/id6651858602)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All-Access Pass | $1.99 | one-time |


## Frequently asked questions

### Is AI Question Solver free?

AI Question Solver is free to download, with no in-app purchases.

### Is Spiro Sketch free?

Spiro Sketch costs $0.99, and also offers in-app purchases.

### Do AI Question Solver or Spiro Sketch have ads?

Neither AI Question Solver nor Spiro Sketch shows ads.

### Which is updated more often, AI Question Solver or Spiro Sketch?

AI Question Solver ships an update weekly, and Spiro Sketch weekly. Most recently, AI Question Solver was updated on October 20, 2026 and Spiro Sketch on October 20, 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.*