# Angle Measure, Digital Ruler vs Stacked

The clearest difference is in-app purchases: Stacked at none against Angle Measure, Digital Ruler's 1. Stacked also leads on update cadence (every 3 days vs every 6 days). Angle Measure, Digital Ruler's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 26.0). On price and ads there is nothing between them.

Both are free to download. Angle Measure, Digital Ruler sells 1 one-off in-app purchase. Stacked asks for nothing beyond the download.

Angle Measure, Digital Ruler ships an update every 6 days, Stacked every 3 days. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Angle Measure, Digital Ruler | Stacked |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/angle-measure-digital-ruler/id6677031222/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 15 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zain Saeed Mughal](https://appshunter.io/developer/1762408320) | [Pull Apps](https://appshunter.io/developer/1828384931) |

## What reviewers say

### Angle Measure, Digital Ruler

[App page](https://appshunter.io/ios/app/angle-measure-digital-ruler/id6677031222)

Transform your device into a versatile measuring tool. Accurately find and measure angles, levels, and distances with a digital protractor, ruler, and bubble level. Features include a flashlight and camera integration for precise work in any condition.

**Highlights:** Digital protractor and angle finder, Bubble level and 360° clinometer, Measuring tape and ruler functionality, Flashlight and camera integration, User-friendly interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


### Stacked

[App page](https://appshunter.io/ios/app/stacked-batch-pdf-scanner/id6761432682)

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

**In-app purchases:** none


## Frequently asked questions

### Is Angle Measure, Digital Ruler free?

Angle Measure, Digital Ruler is free to download, with in-app purchases available.

### Is Stacked free?

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

### Do Angle Measure, Digital Ruler or Stacked have ads?

Neither Angle Measure, Digital Ruler nor Stacked shows ads.

### Which is updated more often, Angle Measure, Digital Ruler or Stacked?

Angle Measure, Digital Ruler ships an update every 6 days, and Stacked every 3 days. Most recently, Angle Measure, Digital Ruler was updated on September 22, 2026 and Stacked on September 24, 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.*