# UNICAMP Serviços vs Uncertainty Calculator

The clearest difference is price: UNICAMP Serviços at Free against Uncertainty Calculator's $3.99. UNICAMP Serviços also leads on update cadence (every 2 months vs every 3 months) and iOS requirement (15.0 vs 17.0). Uncertainty Calculator's advantage is rating (5.0 vs 3.5). On ratings volume, ads, in-app purchases and device support there is nothing between them.

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

Uncertainty Calculator holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UNICAMP Serviços ships an update every 2 months, Uncertainty Calculator every 3 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | UNICAMP Serviços | Uncertainty Calculator |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/unicamp-servicos/id722262080/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/uncertainty-calculator/id1170905440/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 46.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Paid |
| Size | 7 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [State University of Campinas](https://appshunter.io/developer/722262083) | [Roman Volinsky](https://appshunter.io/developer/977951850) |

## What reviewers say

### UNICAMP Serviços

[App page](https://appshunter.io/ios/app/unicamp-servicos/id722262080)

This app provides essential services for university students and staff. Access dining hall menus, internal bus schedules and routes, and contact information for campus extensions.

**Highlights:** Dining hall menu access, Internal bus schedules and routes, Campus extension directory, Essential university services

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is UNICAMP Serviços free?

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

### Is Uncertainty Calculator free?

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

### Which has better reviews, UNICAMP Serviços or Uncertainty Calculator?

Uncertainty Calculator is rated higher. UNICAMP Serviços averages 3.5 out of 5 from 2 ratings, while Uncertainty Calculator averages 5.0 from 1 ratings.

### Do UNICAMP Serviços or Uncertainty Calculator have ads?

Neither UNICAMP Serviços nor Uncertainty Calculator shows ads.

### Which is updated more often, UNICAMP Serviços or Uncertainty Calculator?

UNICAMP Serviços ships an update every 2 months, and Uncertainty Calculator every 3 months. Most recently, UNICAMP Serviços was updated on November 6, 2026 and Uncertainty Calculator on November 2, 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.*