# Random Name Selector Pro vs Uncertainty Calculator

The clearest difference is rating: Uncertainty Calculator at 5.0 against Random Name Selector Pro's 3.6. Uncertainty Calculator also leads on ads (none vs shown) and price ($3.99 vs $4.99). Random Name Selector Pro's advantage is ratings volume (30 vs 1) and iOS requirement (9.0 vs 17.0). On update cadence, in-app purchases and device support there is nothing between them.

Random Name Selector Pro costs $4.99 and Uncertainty Calculator $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 3.6. That said, the two scores are not equally well evidenced: Random Name Selector Pro has 30 ratings behind it against 1, so its average is the more settled of the two.

Random Name Selector Pro ships an update every 5 months, Uncertainty Calculator every 3 months. The most recent releases landed on August 23, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Random Name Selector Pro | Uncertainty Calculator |
| --- | --- | --- |
| Price | $4.99 | **$3.99** |
| Rating | [3.6 (30 ratings)](https://appshunter.io/ios/app/random-name-selector-pro/id599531491/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/uncertainty-calculator/id1170905440/reviews)** |
| Number of ratings | **30** | 1 |
| Positive reviews | 42.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | **Ad-supported** | Paid |
| Size | 190 MB | 1 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EDTECH MONSTER LIMITED](https://appshunter.io/developer/686934052) | [Roman Volinsky](https://appshunter.io/developer/977951850) |

## What reviewers say

### Random Name Selector Pro

[App page](https://appshunter.io/ios/app/random-name-selector-pro/id599531491)

This app helps teachers manage classrooms by randomly selecting students for participation. It allows for group creation, exclusion of specific students, and customization of selection parameters. Features like animated graphics, sound effects, and data backup enhance engagement and usability.

**Highlights:** Random student selection, Create and manage student groups, Exclude students from selection, Import student lists, Customizable selection limits, Cloud backup and sync, Animated graphics and themes

**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 Random Name Selector Pro free?

Random Name Selector Pro costs $4.99, with no in-app purchases.

### Is Uncertainty Calculator free?

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

### Which has better reviews, Random Name Selector Pro or Uncertainty Calculator?

Uncertainty Calculator is rated higher. Random Name Selector Pro averages 3.6 out of 5 from 30 ratings, while Uncertainty Calculator averages 5.0 from 1 ratings.

### Do Random Name Selector Pro or Uncertainty Calculator have ads?

Random Name Selector Pro shows ads; Uncertainty Calculator does not.

### Which is updated more often, Random Name Selector Pro or Uncertainty Calculator?

Random Name Selector Pro ships an update every 5 months, and Uncertainty Calculator every 3 months. Most recently, Random Name Selector Pro was updated on August 23, 2026 and Uncertainty Calculator on September 14, 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.*