# Calc Engine vs Calqulist

The clearest difference is update cadence: Calc Engine at daily against Calqulist's every 9 days. Calqulist's advantage is iOS requirement (15.6 vs 18). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Calc Engine sells 1 one-off in-app purchase and Calqulist sells 5 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

Calc Engine ships an update daily, Calqulist every 9 days. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Calc Engine | Calqulist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calc-engine/id1061766849/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 9 days |
| Monetization | Free | — |
| Size | 17 MB | 67 MB |
| Requires iOS | 18 | **15.6** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VersaEdge Software, LLC](https://appshunter.io/developer/301294952) | [iappetos apps](https://appshunter.io/developer/1875903540) |

## 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 |


### Calqulist

[App page](https://appshunter.io/ios/app/calqulist/id1490575678)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| (Unlimited+Adds free) for one year | $4.99 | per year |
| Calqulist Pro | $0.99 | one-time |
| +10 | $0.99 | one-time |
| +50 | $2.99 | one-time |
| Golden Calqulist | $9.99 | one-time |


## Frequently asked questions

### Is Calc Engine free?

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

### Is Calqulist free?

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

### Do Calc Engine or Calqulist have ads?

Neither Calc Engine nor Calqulist shows ads.

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

Calc Engine ships an update daily, and Calqulist every 9 days. Most recently, Calc Engine was updated on October 16, 2026 and Calqulist on October 12, 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.*