# Eureka Calculator vs iTester

The clearest difference is in-app purchases: iTester at none against Eureka Calculator's 2. iTester also leads on update cadence (every 3 months vs every 17 months). Eureka Calculator's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Eureka Calculator sells 2 one-off in-app purchases. iTester asks for nothing beyond the download.

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

Eureka Calculator ships an update every 17 months, iTester every 3 months. The most recent releases landed on November 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Eureka Calculator | iTester |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/eureka-calculator/id925663993/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/itester/id1482179470/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 1 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tomas Crespo](https://appshunter.io/developer/888009549) | [eMetric LLC](https://appshunter.io/developer/504153585) |

## What reviewers say

### Eureka Calculator

[App page](https://appshunter.io/ios/app/eureka-calculator/id925663993)

This app is a mobile mathematical programming environment that brings advanced computing power and flexibility to your device. It features a natural symbolic language and an intuitive interface for efficient formula writing and programming.

**Highlights:** Advanced mathematical functions, Customizable interface, Natural symbolic language (Magic), Intuitive keyboard, Efficient programming tool

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium option for iPhone | $4.99 | one-time |
| Premium option for iPad | $9.99 | one-time |


### iTester

[App page](https://appshunter.io/ios/app/itester/id1482179470)

This application serves as a digital kiosk for students to take assessments. It provides a consistent testing experience across devices, mirroring the functionality of its desktop counterpart. Designed for educational institutions, it ensures secure and reliable delivery of student evaluations.

**Highlights:** Secure test-taking environment, Consistent cross-device experience, Next-generation assessment delivery, Supports student evaluations

**In-app purchases:** none


## Frequently asked questions

### Is Eureka Calculator free?

Eureka Calculator is free to download, with in-app purchases available.

### Is iTester free?

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

### Which has better reviews, Eureka Calculator or iTester?

Eureka Calculator and iTester are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Eureka Calculator or iTester have ads?

Neither Eureka Calculator nor iTester shows ads.

### Which is updated more often, Eureka Calculator or iTester?

Eureka Calculator ships an update every 17 months, and iTester every 3 months. Most recently, Eureka Calculator was updated on November 1, 2026 and iTester on October 7, 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.*