# BuildersCalcsPro vs Sensorberg One Access

The clearest difference is price: Sensorberg One Access at Free against BuildersCalcsPro's $2.99. Sensorberg One Access also leads on rating (5.0 vs 1.4) and update cadence (fortnightly vs every 10 months). BuildersCalcsPro's advantage is ratings volume (5 vs 1). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Sensorberg One Access is free to download; BuildersCalcsPro costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sensorberg One Access holds the better App Store score, 5.0 against 1.4. That said, the two scores are not equally well evidenced: BuildersCalcsPro has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 38% of BuildersCalcsPro's written reviews are positive against 33% of Sensorberg One Access's, so the app with the better star average is not the one people write more warmly about.

BuildersCalcsPro ships an update every 10 months, Sensorberg One Access fortnightly. The most recent releases landed on September 14, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | BuildersCalcsPro | Sensorberg One Access |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.4 (5 ratings)](https://appshunter.io/ios/app/builderscalcspro/id376872052/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sensorberg-one-access/id6449091483/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | **37.5% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 8 MB | 82 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Robert Thompson](https://appshunter.io/developer/364220435) | [Sensorberg GmbH](https://appshunter.io/developer/882711180) |

## What reviewers say

### BuildersCalcsPro

[App page](https://appshunter.io/ios/app/builderscalcspro/id376872052)

This app simplifies complex construction calculations for various building trades and DIY projects. It offers tools for concrete, foundations, brickwork, roofing, and more, with an intuitive interface. Includes a VAT calculator and a brain-resting game.

**Highlights:** Concrete quantity calculations, Foundation and floor slab calculations, Brick, block, and mortar calculations, Roofing and wall tile quantity estimation, Paint and heat loss calculations, Thermal property calculators, VAT calculator

**Features:** Vision Pro support

**In-app purchases:** none


### Sensorberg One Access

[App page](https://appshunter.io/ios/app/sensorberg-one-access/id6449091483)

This application allows your smartphone to unlock buildings and control access points equipped with a specific solution. Manage all your access needs, view and unlock doors, and favorite frequently used locations for quick access.

**Highlights:** Manage all access control needs, Unlock doors from the app, Search for access points, Favorite frequently used doors, Dynamic theming

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BuildersCalcsPro free?

BuildersCalcsPro costs $2.99, with no in-app purchases.

### Is Sensorberg One Access free?

Sensorberg One Access is free to download, with no in-app purchases.

### Which has better reviews, BuildersCalcsPro or Sensorberg One Access?

Sensorberg One Access is rated higher. BuildersCalcsPro averages 1.4 out of 5 from 5 ratings, while Sensorberg One Access averages 5.0 from 1 ratings.

### Do BuildersCalcsPro or Sensorberg One Access have ads?

Neither BuildersCalcsPro nor Sensorberg One Access shows ads.

### Which is updated more often, BuildersCalcsPro or Sensorberg One Access?

BuildersCalcsPro ships an update every 10 months, and Sensorberg One Access fortnightly. Most recently, BuildersCalcsPro was updated on September 14, 2026 and Sensorberg One Access on August 27, 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.*