# Screenshot Pixel Measure Tool vs ClassKeep

The clearest difference is update cadence: ClassKeep at every 5 days against Screenshot Pixel Measure Tool's fortnightly. Screenshot Pixel Measure Tool's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Screenshot Pixel Measure Tool sells 6 in-app purchases, starting at $0.99 per month and ClassKeep sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Screenshot Pixel Measure Tool ships an update fortnightly, ClassKeep every 5 days. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Screenshot Pixel Measure Tool | ClassKeep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (25 ratings)](https://appshunter.io/ios/app/screenshot-pixel-measure-tool/id1104790987/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [InfoEnum Software Systems](https://appshunter.io/developer/832495044) | [华 龙](https://appshunter.io/developer/1874145984) |

## What reviewers say

### Screenshot Pixel Measure Tool

[App page](https://appshunter.io/ios/app/screenshot-pixel-measure-tool/id1104790987)

Precisely measure dimensions, angles, and areas on any image. Utilize AI-powered features for automatic scaling, edge detection, and object dimension analysis. Export your annotated measurements as PDF or PNG files.

**Highlights:** Pixel-perfect measurement tools, AI-powered auto-scaling and edge detection, Protractor for angle measurement, Area calculation, Color analysis and extraction, Export annotations as PDF/PNG, Apple Pencil support

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $9.99 | per year |
| Yearly Special | $29.99 | per year |
| Non Renewable subscription | $1.99 | one-time |
| Non Renewable subscription | $19.99 | one-time |
| Lifetime | $49.99 | one-time |


### ClassKeep

[App page](https://appshunter.io/ios/app/classkeep-tutor-schedule/id6806250404)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is Screenshot Pixel Measure Tool free?

Screenshot Pixel Measure Tool is free to download, with in-app purchases available.

### Is ClassKeep free?

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

### Do Screenshot Pixel Measure Tool or ClassKeep have ads?

Neither Screenshot Pixel Measure Tool nor ClassKeep shows ads.

### Which is updated more often, Screenshot Pixel Measure Tool or ClassKeep?

Screenshot Pixel Measure Tool ships an update fortnightly, and ClassKeep every 5 days. Most recently, Screenshot Pixel Measure Tool was updated on October 4, 2026 and ClassKeep on October 6, 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.*