# Uncertainty Calculator vs VisionWorks

The clearest difference is price: VisionWorks at Free against Uncertainty Calculator's $3.99. VisionWorks also leads on iOS requirement (13.0 vs 17.0). Uncertainty Calculator's advantage is update cadence (every 3 months vs every 21 months). On rating, ratings volume, ads and in-app purchases there is nothing between them.

VisionWorks is free to download; Uncertainty Calculator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Uncertainty Calculator against 5.0 for VisionWorks. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Uncertainty Calculator ships an update every 3 months, VisionWorks every 21 months. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Uncertainty Calculator | VisionWorks |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/uncertainty-calculator/id1170905440/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/visionworks/id1666598743/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 21 months |
| Monetization | Paid | **Free** |
| Size | 1 MB | 84 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Roman Volinsky](https://appshunter.io/developer/977951850) | [Analytik Jena US LLC](https://appshunter.io/developer/1666598745) |

## What reviewers say

### Uncertainty Calculator

[App page](https://appshunter.io/ios/app/uncertainty-calculator/id1170905440)

This app allows users to perform error propagation calculations for mathematical expressions involving uncertain variables. It supports absolute and relative error inputs, various functions, and trigonometric calculations in degrees or radians. The tool helps ensure accurate reporting of results based on estimated errors.

**Highlights:** Error propagation calculations, Absolute and relative error input, Support for mathematical functions, Trigonometric calculations (degrees/radians), Variable combination in expressions, Significant figure guidance

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

**In-app purchases:** none


### VisionWorks

[App page](https://appshunter.io/ios/app/visionworks/id1666598743)

Capture and analyze gel and colony samples directly from your smartphone. This app offers automated image capture and analysis for DNA and protein gels, with cloud-based processing for detailed results.

**Highlights:** Gel and colony sample capture, Automated image capture and analysis, Cloud analysis for 1D lanes and bands, Molecular weight calibration, Area density analysis, Colony counting and classification, Shareable results reports

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Uncertainty Calculator free?

Uncertainty Calculator costs $3.99, with no in-app purchases.

### Is VisionWorks free?

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

### Which has better reviews, Uncertainty Calculator or VisionWorks?

Uncertainty Calculator and VisionWorks are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Uncertainty Calculator or VisionWorks have ads?

Neither Uncertainty Calculator nor VisionWorks shows ads.

### Which is updated more often, Uncertainty Calculator or VisionWorks?

Uncertainty Calculator ships an update every 3 months, and VisionWorks every 21 months. Most recently, Uncertainty Calculator was updated on October 18, 2026 and VisionWorks on October 6, 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.*