# Tape Measure Calculator Pro vs TechRef

The clearest difference is price: TechRef at Free against Tape Measure Calculator Pro's $4.99. TechRef also leads on update cadence (every 3 days vs every 2 months). Tape Measure Calculator Pro's advantage is in-app purchases (none vs 1) and chart position (#122 vs unranked). On ads, device support and iOS requirement there is nothing between them.

TechRef is free to download; Tape Measure Calculator Pro costs $4.99 up front. TechRef sells 1 one-off in-app purchase. Tape Measure Calculator Pro asks for nothing beyond the download.

Tape Measure Calculator Pro ships an update every 2 months, TechRef every 3 days. The most recent releases landed on October 23, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Tape Measure Calculator Pro | TechRef |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.8 (2.2K ratings)](https://appshunter.io/ios/app/tape-measure-calculator-pro/id482504435/reviews)** | — |
| Number of ratings | **2.2K** | — |
| Positive reviews | 89.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Paid | — |
| Best chart rank | **#122** | — |
| Size | 27 MB | 4 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bugfoot Studios LLC](https://appshunter.io/developer/466438893) | [MASARU KATO](https://appshunter.io/developer/1883480774) |

## What reviewers say

### Tape Measure Calculator Pro

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

**Currently charting:** #122 Top Paid · Utilities (US App Store)

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


### TechRef

[App page](https://appshunter.io/ios/app/techref/id6775818457)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TechRef Pro | $6.99 | one-time |


## Frequently asked questions

### Is Tape Measure Calculator Pro free?

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

### Is TechRef free?

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

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

Neither Tape Measure Calculator Pro nor TechRef shows ads.

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

Tape Measure Calculator Pro ships an update every 2 months, and TechRef every 3 days. Most recently, Tape Measure Calculator Pro was updated on October 23, 2026 and TechRef on October 11, 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.*