# Tape Measure Calculator Pro vs Blue2Factor

The clearest difference is price: Blue2Factor at Free against Tape Measure Calculator Pro's $4.99. Blue2Factor also leads on iOS requirement (15.6 vs 17.6). Tape Measure Calculator Pro's advantage is ratings volume (2.2K vs 1). On rating, update cadence, ads and in-app purchases there is nothing between them.

Blue2Factor is free to download; Tape Measure Calculator Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Blue2Factor holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Tape Measure Calculator Pro has 2.2K ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Tape Measure Calculator Pro | Blue2Factor |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.8 (2.2K ratings)](https://appshunter.io/ios/app/tape-measure-calculator-pro/id482504435/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blue2factor/id1601861068/reviews)** |
| Number of ratings | **2.2K** | 1 |
| Positive reviews | 89.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 27 MB | 11 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Bugfoot Studios LLC](https://appshunter.io/developer/466438893) | [Christopher McLain](https://appshunter.io/developer/1107662428) |

## What reviewers say

### Tape Measure Calculator Pro

[App page](https://appshunter.io/ios/app/tape-measure-calculator-pro/id482504435)

Perform complex calculations directly on a visual tape measure. Easily add, subtract, multiply, and divide measurements, mixing decimals and fractions. Get results in inches, feet, and centimeters, in both decimal and fractional formats, saving time and preventing errors.

**Highlights:** Visual tape measure calculations, Add, subtract, multiply, divide measurements, Mix decimals and fractions, Results in inches, feet, centimeters, Decimal and fractional output, In-app measuring feature

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Saves time
- 💡 Helpful visual tape measure
- 🚀 Accurate calculations
- 👍 Great for DIY and construction projects

**What reviewers complain about**

- 🐛 Tape measure display inaccurate
- 🐛 Crashes after multiple calculations
- 🐛 Incorrect results on iPhone vs iPad
- 🔀 Clear button too close to fraction button

**Reported bugs**

- Tape measure display not calibrated correctly
- Crashes on iOS 8
- Incompatible with iPhone X

**Requested features**

- Add memory/history feature
- Allow entering numerator first for fractions
- Add toggle for fixed unit of measure
- Make tape measure semi-transparent over fractions
- Add ability to add custom markers on tape measure


### Blue2Factor

[App page](https://appshunter.io/ios/app/blue2factor/id1601861068)

This app offers seamless and secure authentication using proximity, biometrics, and encryption. It integrates with SAML for single sign-on, creating a frictionless user experience.

**Highlights:** Invisible first and second factor authentication, Single sign-on via SAML, Proximity verification, Biometric authentication, Asymmetric encryption, Frictionless and secure environment

**In-app purchases:** none


## Frequently asked questions

### Is Tape Measure Calculator Pro free?

Tape Measure Calculator Pro costs $4.99, with no in-app purchases.

### Is Blue2Factor free?

Blue2Factor is free to download, with no in-app purchases.

### Which has better reviews, Tape Measure Calculator Pro or Blue2Factor?

Blue2Factor is rated higher. Tape Measure Calculator Pro averages 4.8 out of 5 from 2.2K ratings, while Blue2Factor averages 5.0 from 1 ratings.

### Do Tape Measure Calculator Pro or Blue2Factor have ads?

Neither Tape Measure Calculator Pro nor Blue2Factor shows ads.

### Which is updated more often, Tape Measure Calculator Pro or Blue2Factor?

Tape Measure Calculator Pro ships an update every 2 months, and Blue2Factor every 2 months. Most recently, Tape Measure Calculator Pro was updated on November 1, 2026 and Blue2Factor 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.*