# Smart Level & AR Ruler vs voltzy

The clearest difference is in-app purchases: voltzy at none against Smart Level & AR Ruler's 4. voltzy also leads on rating (5.0 vs 4.7) and review sentiment (100% vs 83%). Smart Level & AR Ruler's advantage is update cadence (every 2 weeks vs every 4 months) and ratings volume (485 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Smart Level & AR Ruler sells 4 in-app purchases, starting at $4.99 per 7 days. voltzy asks for nothing beyond the download.

voltzy holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Smart Level & AR Ruler has 485 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 83% of Smart Level & AR Ruler's written reviews are positive against 100% of voltzy's.

Smart Level & AR Ruler ships an update every 2 weeks, voltzy every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Smart Level & AR Ruler | voltzy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (485 ratings)](https://appshunter.io/ios/app/smart-level-and-ar-ruler/id6698865336/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/voltzy/id6740493217/reviews)** |
| Number of ratings | **485** | 1 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 42 MB | 98 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [卓 张](https://appshunter.io/developer/1765233606) | [ALBARAA TAHER ZEINOGLU](https://appshunter.io/developer/1781573459) |

## What reviewers say

### Smart Level & AR Ruler

[App page](https://appshunter.io/ios/app/smart-level-and-ar-ruler/id6698865336)

This app transforms your iPhone into a versatile digital toolbox. It offers a wide array of measurement and utility tools, utilizing advanced AI and computer vision for precise results.  From measuring lengths and areas to using a protractor and level, it helps you tackle various tasks.

**Highlights:** Length, area, height, distance measurement, Protractor and unit conversion, Level and light sensor, Decibel meter, Scientific calculator, Magnifying glass and compass

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| VIP - Week | $9.99 | per 7 days |
| Monthly Subscription | $19.99 | per month |
| VIP - Year | $69.99 | per year |


### voltzy

[App page](https://appshunter.io/ios/app/voltzy/id6740493217)

This app connects homeowners with local, skilled service professionals for various home needs like plumbing, electrical, and cleaning. It offers features like real-time tracking, secure messaging, appointment scheduling, and verified professional profiles.

**Highlights:** Find local service professionals, Real-time job tracking, Secure in-app messaging, Schedule appointments, Verified professional profiles, Secure payment processing, Custom service requests

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Level & AR Ruler free?

Smart Level & AR Ruler is free to download, with in-app purchases available.

### Is voltzy free?

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

### Which has better reviews, Smart Level & AR Ruler or voltzy?

voltzy is rated higher. Smart Level & AR Ruler averages 4.7 out of 5 from 485 ratings, while voltzy averages 5.0 from 1 ratings.

### Do Smart Level & AR Ruler or voltzy have ads?

Neither Smart Level & AR Ruler nor voltzy shows ads.

### Which is updated more often, Smart Level & AR Ruler or voltzy?

Smart Level & AR Ruler ships an update every 2 weeks, and voltzy every 4 months. Most recently, Smart Level & AR Ruler was updated on October 24, 2026 and voltzy on October 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.*