# Engineering Calculator vs Calculatrice + Historique

The clearest difference is rating: Engineering Calculator at 4.5 against Calculatrice + Historique's 3.8. Engineering Calculator also leads on iOS requirement (12.2 vs 17.6). Calculatrice + Historique's advantage is ratings volume (20 vs 2) and update cadence (fortnightly vs monthly). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Engineering Calculator holds the better App Store score, 4.5 against 3.8. That said, the two scores are not equally well evidenced: Calculatrice + Historique has 20 ratings behind it against 2, so its average is the more settled of the two.

Engineering Calculator ships an update monthly, Calculatrice + Historique fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Engineering Calculator | Calculatrice + Historique |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/engineering-calculator/id1395510375/reviews)** | [3.8 (20 ratings)](https://appshunter.io/ios/app/calculatrice-plus-historique/id1663783541/reviews) |
| Number of ratings | 2 | **20** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 1 MB | 7 MB |
| Requires iOS | **12.2** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masato Kanazawa](https://appshunter.io/developer/1110570349) | [贺 黄](https://appshunter.io/developer/492088131) |

## What reviewers say

### Engineering Calculator

[App page](https://appshunter.io/ios/app/engineering-calculator/id1395510375)

This utility app helps users convert units and calculate tips, primarily for those in the US. It operates offline and aims for minimal user interaction to provide quick results. Useful for avoiding misunderstandings in business dealings due to unit differences.

**Highlights:** Unit conversion, Tip calculation, Offline functionality, Minimalist interface, Business negotiation aid

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

**In-app purchases:** none


### Calculatrice + Historique

[App page](https://appshunter.io/ios/app/calculatrice-plus-historique/id1663783541)

This utility app provides essential arithmetic functions with advanced features like large number display and a comprehensive history log. It allows for character-by-character rollback and easy screen clearing, making complex calculations manageable.

**Highlights:** Addition, subtraction, multiplication, division, Large number display, Calculation history log, Character-by-character rollback, Screen clearing function

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

**In-app purchases:** none


## Frequently asked questions

### Is Engineering Calculator free?

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

### Is Calculatrice + Historique free?

Calculatrice + Historique is free to download, with no in-app purchases.

### Which has better reviews, Engineering Calculator or Calculatrice + Historique?

Engineering Calculator is rated higher. Engineering Calculator averages 4.5 out of 5 from 2 ratings, while Calculatrice + Historique averages 3.8 from 20 ratings.

### Do Engineering Calculator or Calculatrice + Historique have ads?

Both Engineering Calculator and Calculatrice + Historique show ads.

### Which is updated more often, Engineering Calculator or Calculatrice + Historique?

Engineering Calculator ships an update monthly, and Calculatrice + Historique fortnightly. Most recently, Engineering Calculator was updated on November 2, 2026 and Calculatrice + Historique on November 3, 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.*