# Ruler vs Lunch Timer

The clearest difference is ads: Lunch Timer at none against Ruler's shown. Lunch Timer also leads on update cadence (daily vs every 14 months). Ruler's advantage is iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ruler ships an update every 14 months, Lunch Timer daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ruler | Lunch Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (421 ratings)](https://appshunter.io/ios/app/ruler/id1555214809/reviews)** | — |
| Number of ratings | **421** | — |
| Positive reviews | 15.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Daily** |
| Monetization | Ad-supported | — |
| Size | 6 MB | 24 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Matrix Software Co.](https://appshunter.io/developer/1457004046) | [oqipe](https://appshunter.io/developer/1813923940) |

## What reviewers say

### Ruler

[App page](https://appshunter.io/ios/app/ruler/id1555214809)

Measure objects and distances with an on-screen ruler and augmented reality. Supports inches and centimeters, with features for linear sizes, angles, area, volume, and more. Save your measurements for later use.

**Highlights:** On-screen ruler for small objects, Augmented Reality (AR) measuring, Measure linear sizes in cm/inches, Calculate angles, area, and volume, Save measurements, Generate plan projections

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

**In-app purchases:** none

**What reviewers like**

- 👍 Basic caliper and spirit level included
- ✅ Option to opt-out of data selling/sharing
- 👌 Accurate measurements (Arabic review)

**What reviewers complain about**

- 📏 Inaccurate measurements
- 💥 Frequent app crashes
- 💸 Limited free functionality (5" limit)
- 🚫 Cannot switch to metric (cm)
- 🤷 Unclear AR mode usage

**Reported bugs**

- App crashes on iPhone 17 and iPad
- App crashes within 1 minute
- AR mode not functional
- Cannot switch to cm
- Measurements are out of scale

**Requested features**

- Fix crashing issues
- Enable switching to metric (cm)
- Improve AR mode usability
- Add save and print functionality
- Provide usage instructions


### Lunch Timer

[App page](https://appshunter.io/ios/app/lunch-timer/id6760580311)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ruler free?

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

### Is Lunch Timer free?

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

### Do Ruler or Lunch Timer have ads?

Ruler shows ads; Lunch Timer does not.

### Which is updated more often, Ruler or Lunch Timer?

Ruler ships an update every 14 months, and Lunch Timer daily. Most recently, Ruler was updated on November 3, 2026 and Lunch Timer 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.*