# Scale Link vs Ruler

The clearest difference is rating: Ruler at 4.3 against Scale Link's 1.5. Ruler also leads on review sentiment (33% vs 0%) and ratings volume (133 vs 8). Scale Link's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Ruler sells 2 in-app purchases, starting at $1.99 per 7 days. Scale Link asks for nothing beyond the download.

Ruler holds the better App Store score, 4.3 against 1.5. That said, the two scores are not equally well evidenced: Ruler has 133 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 0% of Scale Link's written reviews are positive against 33% of Ruler's.

Scale Link ships an update every 4 months, Ruler every 7 months. The most recent releases landed on June 8, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | Scale Link | Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (8 ratings)](https://appshunter.io/ios/app/scale-link/id1170676390/reviews) | **[4.3 (133 ratings)](https://appshunter.io/ios/app/ruler-measuring-scale/id1449113794/reviews)** |
| Number of ratings | 8 | **133** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 41 MB | 32 MB |
| Requires iOS | **10.3** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fabricantes de B√°sculas Torrey, S.A. de C.V.](https://appshunter.io/developer/687452627) | [MD KHAIRUL ISLAM](https://appshunter.io/developer/1445424899) |

## What reviewers say

### Scale Link

[App page](https://appshunter.io/ios/app/scale-link/id1170676390)

Manage, configure, and review sales reports directly from your Torrey scale. Update product information, manage sellers, and set up advertising messages. Customize ticket headers and barcode formats for POS compatibility.

**Highlights:** Manage products and prices, Add new products, Organize sales team, Configure advertising messages, Customize ticket headers, Generate sales reports

**Features:** macOS Compatibility

**In-app purchases:** none


### Ruler

[App page](https://appshunter.io/ios/app/ruler-measuring-scale/id1449113794)

This utility app uses augmented reality to measure the length and area of real-world objects using your smartphone's camera. It offers unlimited measurements and an ad-free experience with premium subscriptions.

**Highlights:** Augmented reality measurement, Measure length and area, High precision with AR Kit, Unlimited measurements (premium), Ad-free experience (premium), Subscription options available

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ruler Premium Weekly | $1.99 | per 7 days |
| Ruler Monthly Premium | $5.99 | per month |


## Frequently asked questions

### Is Scale Link free?

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

### Is Ruler free?

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

### Which has better reviews, Scale Link or Ruler?

Ruler is rated higher. Scale Link averages 1.5 out of 5 from 8 ratings, while Ruler averages 4.3 from 133 ratings.

### Do Scale Link or Ruler have ads?

Ruler shows ads; Scale Link does not.

### Which is updated more often, Scale Link or Ruler?

Scale Link ships an update every 4 months, and Ruler every 7 months. Most recently, Scale Link was updated on June 8, 2026 and Ruler on August 20, 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.*