# eXpimal vs 2s Complement Calculator

The clearest difference is price: 2s Complement Calculator at Free against eXpimal's $2.99. 2s Complement Calculator also leads on iOS requirement (13.0 vs 15). eXpimal's advantage is update cadence (every 3 weeks vs every 15 months). On ads, in-app purchases and device support there is nothing between them.

2s Complement Calculator is free to download; eXpimal costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

eXpimal ships an update every 3 weeks, 2s Complement Calculator every 15 months. The most recent releases landed on October 1, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | eXpimal | 2s Complement Calculator |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 15 months |
| Monetization | Paid | — |
| Size | 3 MB | 17 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maksim Dmitriev](https://appshunter.io/developer/1479857940) | [Ahmad Sattar](https://appshunter.io/developer/1458483953) |

## 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


### 2s Complement Calculator

[App page](https://appshunter.io/ios/app/2s-complement-calculator/id1607991482)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eXpimal free?

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

### Is 2s Complement Calculator free?

2s Complement Calculator is free to download, with no in-app purchases.

### Do eXpimal or 2s Complement Calculator have ads?

Neither eXpimal nor 2s Complement Calculator shows ads.

### Which is updated more often, eXpimal or 2s Complement Calculator?

eXpimal ships an update every 3 weeks, and 2s Complement Calculator every 15 months. Most recently, eXpimal was updated on October 1, 2026 and 2s Complement Calculator on September 13, 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.*