# Calc Engine vs MemCalc

The clearest difference is in-app purchases: MemCalc at none against Calc Engine's 1. MemCalc also leads on iOS requirement (9.1 vs 18). Calc Engine's advantage is update cadence (daily vs every 5 months) and ratings volume (5 vs 1). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. Calc Engine sells 1 one-off in-app purchase. MemCalc asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Calc Engine against 5.0 for MemCalc. That said, the two scores are not equally well evidenced: Calc Engine has 5 ratings behind it against 1, so its average is the more settled of the two.

Calc Engine ships an update daily, MemCalc every 5 months. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Calc Engine | MemCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/calc-engine/id1061766849/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/memcalc/id1275872918/reviews) |
| Number of ratings | **5** | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 months |
| Monetization | Free | Free |
| Size | 17 MB | 20 MB |
| Requires iOS | 18 | **9.1** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VersaEdge Software, LLC](https://appshunter.io/developer/301294952) | [Krisztian Bosze](https://appshunter.io/developer/1275872917) |

## What reviewers say

### Calc Engine

[App page](https://appshunter.io/ios/app/calc-engine/id1061766849)

A highly customizable calculator with advanced features like graphing, equation solving, and unit conversion. Design your own keyboards and functions to streamline your workflow across Apple devices.

**Highlights:** Customizable keyboard layouts, User-defined functions and constants, Live equation graphing, Equation solving, Extensive unit conversions, Programmer mode (hex, binary, octal), Cross-device syncing

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calc Engine+ | $9.99 | one-time |


### MemCalc

[App page](https://appshunter.io/ios/app/memcalc/id1275872918)

A user-friendly basic calculator designed for students, featuring a clean interface and the ability to store and recall past calculations. Quickly perform essential math operations and review your work.

**Highlights:** Easy to use basic calculator, Gorgeous design, Fast calculations, Stores all calculations, Review history in portrait mode, Tap to recall stored numbers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calc Engine free?

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

### Is MemCalc free?

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

### Which has better reviews, Calc Engine or MemCalc?

Calc Engine and MemCalc are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do Calc Engine or MemCalc have ads?

Neither Calc Engine nor MemCalc shows ads.

### Which is updated more often, Calc Engine or MemCalc?

Calc Engine ships an update daily, and MemCalc every 5 months. Most recently, Calc Engine was updated on October 28, 2026 and MemCalc on October 29, 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.*