# Frizzle vs ShelfSpark

The clearest difference is iOS requirement: ShelfSpark at 18.6 against Frizzle's 26.2. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Frizzle | ShelfSpark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/frizzle/id6760978615/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 6 MB | 3 MB |
| Requires iOS | 26.2 | **18.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Frizzle, Inc](https://appshunter.io/developer/1887111027) | [Eric Mark](https://appshunter.io/developer/1889045739) |

## What reviewers say

### Frizzle

[App page](https://appshunter.io/ios/app/frizzle/id6760978615)

This AI-powered app automates the grading of handwritten student work from photos. It provides instant grades, written feedback, and skill mastery data, saving educators valuable time. Compatible with existing worksheets, it streamlines the assessment process for K-12 and college teachers.

**Highlights:** Grades handwritten work from photos, Provides written feedback or point scores, Offers skill-level mastery data, Auto-sorts mixed stacks by student name, Works with existing worksheets

**In-app purchases:** none


### ShelfSpark

[App page](https://appshunter.io/ios/app/shelfspark/id6766072734)

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

**In-app purchases:** none


## Frequently asked questions

### Is Frizzle free?

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

### Is ShelfSpark free?

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

### Do Frizzle or ShelfSpark have ads?

Neither Frizzle nor ShelfSpark shows ads.

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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.*