# Ruler, Measuring Tape vs Base Conversion AI Calculator

The clearest difference is rating: Base Conversion AI Calculator at 5.0 against Ruler, Measuring Tape's 4.3. Ruler, Measuring Tape's advantage is ratings volume (1K vs 1) and update cadence (monthly vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Ruler, Measuring Tape sells 6 in-app purchases, starting at $2.99 per 7 days and Base Conversion AI Calculator sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Base Conversion AI Calculator holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Ruler, Measuring Tape has 1K ratings behind it against 1, so its average is the more settled of the two.

Ruler, Measuring Tape ships an update monthly, Base Conversion AI Calculator every 2 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Ruler, Measuring Tape | Base Conversion AI Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (1K ratings)](https://appshunter.io/ios/app/ruler-measuring-tape-ar-app/id1462163605/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/base-conversion-ai-calculator/id6745121596/reviews)** |
| Number of ratings | **1K** | 1 |
| Positive reviews | 23.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 52 MB | 123 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [WHATSTICKER APPS SRL](https://appshunter.io/developer/1784779333) | [Juan Antonio Veloz Gutierrez](https://appshunter.io/developer/1810351183) |

## What reviewers say

### Ruler, Measuring Tape

[App page](https://appshunter.io/ios/app/ruler-measuring-tape-ar-app/id1462163605)

This app turns your device into a versatile ruler and tape measure using advanced AR technology. It offers precise measurements for objects, rooms, and complex shapes, along with unit conversion and a history log. Ideal for professionals and everyday users needing accurate measurements.

**Highlights:** AR ruler and tape measure, Length and distance measurement, Unit converter (mm, inches, cm), Rectangle, cube, circle, cylinder measurements, Polylines for complex shapes, Angle measurement, Measurement history

**Features:** Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly premium with trial | $2.99 | per 7 days |
| Weekly premium | $2.99 | per 7 days |
| Yearly premium with trial | $29.99 | per year |
| Yearly premium | $29.99 | per year |
| No more ads | $1.99 | one-time |
| Unlock all AR features | $5.99 | one-time |

**What reviewers like**

- 🚀 Accurate measurements
- 👍 Simple and intuitive interface
- 🔒 No ads in free version
- ✨ Handy and useful tool

**What reviewers complain about**

- 🐛 Inaccurate measurements on some devices
- 💰 Subscription required for full functionality
- 🔒 Forced ads in free version
- 🔒 Privacy concerns with data sharing

**Reported bugs**

- Unable to close or exit the app
- Crashes on certain iOS versions
- AR mode displays only in cm

**Requested features**

- Option to set default unit (inches or cm)
- Ability to save and recall past measurements
- Decimal inch display alongside fractional
- Millimeter measurement option


### Base Conversion AI Calculator

[App page](https://appshunter.io/ios/app/base-conversion-ai-calculator/id6745121596)

Instantly convert numbers between Binary, Decimal, Octal, and Hexadecimal. Get accurate results in seconds with a clean interface. Unlock AI-powered explanations and dark mode with a subscription.

**Highlights:** Instant base conversions, Supports Binary, Decimal, Octal, Hexadecimal, Clean and simple UI, One-tap result copying, AI-powered step-by-step explanations, Dark mode for comfortable use

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Base Conversion Weekly | $4.99 | per 7 days |
| PRO Base Conversion Yearly | $24.99 | per year |


## Frequently asked questions

### Is Ruler, Measuring Tape free?

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

### Is Base Conversion AI Calculator free?

Base Conversion AI Calculator is free to download, with in-app purchases available.

### Which has better reviews, Ruler, Measuring Tape or Base Conversion AI Calculator?

Base Conversion AI Calculator is rated higher. Ruler, Measuring Tape averages 4.3 out of 5 from 1K ratings, while Base Conversion AI Calculator averages 5.0 from 1 ratings.

### Do Ruler, Measuring Tape or Base Conversion AI Calculator have ads?

Both Ruler, Measuring Tape and Base Conversion AI Calculator show ads.

### Which is updated more often, Ruler, Measuring Tape or Base Conversion AI Calculator?

Ruler, Measuring Tape ships an update monthly, and Base Conversion AI Calculator every 2 months. Most recently, Ruler, Measuring Tape was updated on November 6, 2026 and Base Conversion AI Calculator on October 30, 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.*