# Surveyor AR vs Ruler with Caliper, Protractor

The clearest difference is ads: Surveyor AR at none against Ruler with Caliper, Protractor's shown. Surveyor AR also leads on update cadence (fortnightly vs every 28 months) and iOS requirement (11.0 vs 16.0). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Surveyor AR sells 1 one-off in-app purchase and Ruler with Caliper, Protractor sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Surveyor AR ships an update fortnightly, Ruler with Caliper, Protractor every 28 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | Surveyor AR | Ruler with Caliper, Protractor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/surveyor-ar/id1367813506/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 28 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 6 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xuan Li](https://appshunter.io/developer/475310080) | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) |

## What reviewers say

### Surveyor AR

[App page](https://appshunter.io/ios/app/surveyor-ar/id1367813506)

Measure distances, heights, and areas using your phone's camera. This augmented reality tool allows you to place markers to get instant measurements in imperial or metric units.

**Highlights:** Measure distance, Measure height, Measure area, Switch between imperial and metric units, ARKit powered measurements

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### Ruler with Caliper, Protractor

[App page](https://appshunter.io/ios/app/ruler-with-caliper-protractor/id1368462815)

This app transforms your device into a precise digital measuring tool. It offers accurate measurements for various objects and distances using your camera, with multiple units and offline functionality.

**Highlights:** Accurate measurements via camera, Measure small objects to large distances, User-friendly interface, Multiple measurement units (inches, cm), Virtual ruler on screen, Save and share measurements, Offline accessibility

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Yearly | $39.99 | per year |
| Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Surveyor AR free?

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

### Is Ruler with Caliper, Protractor free?

Ruler with Caliper, Protractor is free to download, with in-app purchases available.

### Do Surveyor AR or Ruler with Caliper, Protractor have ads?

Ruler with Caliper, Protractor shows ads; Surveyor AR does not.

### Which is updated more often, Surveyor AR or Ruler with Caliper, Protractor?

Surveyor AR ships an update fortnightly, and Ruler with Caliper, Protractor every 28 months. Most recently, Surveyor AR was updated on November 2, 2026 and Ruler with Caliper, Protractor on November 2, 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.*