# eXpimal vs EngUp

The clearest difference is price: EngUp at Free against eXpimal's $2.99. EngUp also leads on update cadence (every 9 days vs every 3 weeks). eXpimal's advantage is in-app purchases (none vs 6) and ads (none vs shown). On device support there is nothing between them.

EngUp is free to download; eXpimal costs $2.99 up front. EngUp sells 6 in-app purchases, starting at $1.99 per month. eXpimal asks for nothing beyond the download.

eXpimal ships an update every 3 weeks, EngUp every 9 days. Both last shipped on November 7, 2026.

## The numbers

| Metric | eXpimal | EngUp |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/expimal-logic-calculator/id1479857941/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Paid | — |
| Size | 3 MB | 122 MB |
| Requires iOS | **15** | 18 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Maksim Dmitriev](https://appshunter.io/developer/1479857940) | [Yevhenii Semeniuk](https://appshunter.io/developer/1439182207) |

## What reviewers say

### eXpimal

[App page](https://appshunter.io/ios/app/expimal-logic-calculator/id1479857941)

This app provides advanced tools for creating truth tables, simplifying Boolean functions, and plotting logical schemes. It supports various methods for minimization and polynomial representation, with detailed results and comments.

**Highlights:** Truth table creation, DNF, CNF, PDNF, PCNF calculation, Zhegalkin polynomial generation, Karnaugh map plotting, Boolean function minimization, Logical scheme plotting, Ladder diagram creation

**Features:** macOS Compatibility

**In-app purchases:** none


### EngUp

[App page](https://appshunter.io/ios/app/engup/id1619003625)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Месячный план | $1.99 | per month |
| Месячный план | $2.99 | per month |
| 1 month access | $2.99 | per month |
| Годовой план | $17.99 | per year |
| Годовой план | $24.99 | per year |
| 1 Year full access | $34.99 | per year |


## Frequently asked questions

### Is eXpimal free?

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

### Is EngUp free?

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

### Do eXpimal or EngUp have ads?

EngUp shows ads; eXpimal does not.

### Which is updated more often, eXpimal or EngUp?

eXpimal ships an update every 3 weeks, and EngUp every 9 days. Most recently, eXpimal was updated on November 7, 2026 and EngUp on November 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.*