# Screen Ruler vs BenchLine Lab Utility

The clearest difference is review sentiment: BenchLine Lab Utility at 100% against Screen Ruler's 55%. BenchLine Lab Utility also leads on in-app purchases (none vs 2) and ads (none vs shown). Screen Ruler's advantage is price (Free vs $6.99). On update cadence, device support and iOS requirement there is nothing between them.

Screen Ruler is free to download; BenchLine Lab Utility costs $6.99 up front. Screen Ruler sells 2 one-off in-app purchases. BenchLine Lab Utility asks for nothing beyond the download.

Screen Ruler ships an update every 3 months, BenchLine Lab Utility every 6 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Screen Ruler | BenchLine Lab Utility |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | **[3.7 (26 ratings)](https://appshunter.io/ios/app/screen-ruler-measure-length/id1174757735/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 54.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 18 MB | 7 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [向阳 杨](https://appshunter.io/developer/1174757734) | [Matthew McGoldrick](https://appshunter.io/developer/6777648470) |

## What reviewers say

### Screen Ruler

[App page](https://appshunter.io/ios/app/screen-ruler-measure-length/id1174757735)

Turn your iPhone or iPad into a precise measuring tool. Easily measure lengths in centimeters or inches with features like magnifier mode and haptic feedback. Ideal for daily tasks, office use, DIY projects, and on-the-go measurements.

**Highlights:** Dual units (cm/inches), Precision calibration, Magnifier mode, Haptic feedback, Clean interface, Save and label measurements

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads-free experience | $1.99 | one-time |
| Support for a cup of coffee | $2.99 | one-time |


### BenchLine Lab Utility

[App page](https://appshunter.io/ios/app/benchline-lab-utility/id6777648468)

This app simplifies common laboratory calculations, offering practical, reusable bench plans for scientists and technicians. It provides detailed context for each calculation, including inputs, units, formulas, and preparation steps, ensuring clarity and accuracy for benchtop use.

**Highlights:** Dilution and standards planning, Stock and solution preparation, Routine lab calculation checks, Unit and temperature conversions, Centrifuge RPM to RCF conversion, Save and reuse calculation setups, Offline functionality

**In-app purchases:** none


## Frequently asked questions

### Is Screen Ruler free?

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

### Is BenchLine Lab Utility free?

BenchLine Lab Utility costs $6.99, with no in-app purchases.

### Do Screen Ruler or BenchLine Lab Utility have ads?

Screen Ruler shows ads; BenchLine Lab Utility does not.

### Which is updated more often, Screen Ruler or BenchLine Lab Utility?

Screen Ruler ships an update every 3 months, and BenchLine Lab Utility every 6 weeks. Most recently, Screen Ruler was updated on November 2, 2026 and BenchLine Lab Utility on October 31, 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.*