# Construction Master 5 Calc vs STS TESSmobile

The clearest difference is in-app purchases: STS TESSmobile at none against Construction Master 5 Calc's 6. Construction Master 5 Calc's advantage is ratings volume (13K vs 2) and chart position (#200 vs unranked). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Construction Master 5 Calc sells 2 in-app purchases, starting at $3.99 per month. STS TESSmobile asks for nothing beyond the download.

STS TESSmobile holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Construction Master 5 Calc has 13K ratings behind it against 2, so its average is the more settled of the two.

Construction Master 5 Calc ships an update every 3 months, STS TESSmobile every 4 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Construction Master 5 Calc | STS TESSmobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (13K ratings)](https://appshunter.io/ios/app/construction-master-5-calc/id370412148/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sts-tessmobile/id1470671505/reviews)** |
| Number of ratings | **13K** | 2 |
| Positive reviews | 67.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#200** | — |
| Size | 73 MB | 14 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [Superior Traffic Services, LLC](https://appshunter.io/developer/1470671504) |

## What reviewers say

### Construction Master 5 Calc

[App page](https://appshunter.io/ios/app/construction-master-5-calc/id370412148)

**Currently charting:** #200 Top Grossing · Utilities (US App Store)

This app is a powerful feet-inch-fraction calculator designed for construction professionals. It offers advanced calculation capabilities for layouts, bids, and estimates, simplifying complex measurements and conversions for enhanced project accuracy and efficiency.

**Highlights:** Feet-inch-fraction calculations, Right angle and rafter calculations, Area and volume solutions, Board feet and cost per unit, Dimensional math and conversions, Save or email calculations, Context-sensitive help

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Access | $3.99 | per month |
| 1 Year Full Access | $34.99 | per year |

**What reviewers like**

- 👍 Convenient to have on phone
- 💡 Useful for construction work
- 🚀 Performs like physical calculator
- 👍 Helpful for calculations and estimates
- 👍 Great tool for framers and carpenters

**What reviewers complain about**

- 💰 Expensive subscription model
- 🤔 Prefer one-time purchase option
- 🤔 Subscription cost as much as physical calculator
- 🤔 Should allow trial before subscription
- 🐛 Issues with restoring purchases

**Reported bugs**

- App not working without internet connection
- Crashes or freezes on some devices
- Login/purchase issues when switching devices

**Requested features**

- Add Apple Watch support
- Offer one-time purchase option
- Improve compatibility with older devices
- Provide a free version with limited features


### STS TESSmobile

[App page](https://appshunter.io/ios/app/sts-tessmobile/id1470671505)

Monitor and control traffic light systems remotely. View real-time traffic signal status and adjust configurations for efficient traffic management.

**Highlights:** View traffic light status, Manage traffic light configuration, Remote monitoring, Real-time data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Construction Master 5 Calc free?

Construction Master 5 Calc is free to download, with in-app purchases available.

### Is STS TESSmobile free?

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

### Which has better reviews, Construction Master 5 Calc or STS TESSmobile?

STS TESSmobile is rated higher. Construction Master 5 Calc averages 4.8 out of 5 from 13K ratings, while STS TESSmobile averages 5.0 from 2 ratings.

### Do Construction Master 5 Calc or STS TESSmobile have ads?

Neither Construction Master 5 Calc nor STS TESSmobile shows ads.

### Which is updated more often, Construction Master 5 Calc or STS TESSmobile?

Construction Master 5 Calc ships an update every 3 months, and STS TESSmobile every 4 months. Most recently, Construction Master 5 Calc was updated on October 27, 2026 and STS TESSmobile on October 24, 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.*