# Calculator83 vs CalcuMem

The clearest difference is in-app purchases: Calculator83 at none against CalcuMem's 2. Calculator83 also leads on review sentiment (63% vs 50%). CalcuMem's advantage is update cadence (every 3 months vs every 20 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. CalcuMem sells 1 one-off in-app purchase. Calculator83 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Calculator83 against 5.0 for CalcuMem. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews are what separate them: 63% of Calculator83's written reviews are positive against 50% of CalcuMem's.

Calculator83 ships an update every 20 months, CalcuMem every 3 months. The most recent releases landed on October 29, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Calculator83 | CalcuMem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/calculator83/id891194491/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/calcumem/id1507207055/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | **62.5% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 10 MB | 1 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Lyker Labs LLC](https://appshunter.io/developer/891194494) | [Mohamed Asser Reda](https://appshunter.io/developer/1506908645) |

## What reviewers say

### Calculator83

[App page](https://appshunter.io/ios/app/calculator83/id891194491)

A minimalist calculator app focused on simplicity and a clean workflow. It offers both basic and scientific modes, allowing users to perform calculations without complex settings. Get started quickly with this straightforward tool.

**Highlights:** Minimalist design, Clean workflow, Basic mode, Scientific mode, Easy to use

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

**In-app purchases:** none


### CalcuMem

[App page](https://appshunter.io/ios/app/calcumem/id1507207055)

This calculator app offers a unique approach to memory functions, allowing users to add comments and photos to saved calculations. It's designed for everyday use, from budgeting to loan analysis, with an enhanced interface for better performance.

**Highlights:** Editable memory buttons, Comments for memory entries, Photo attachments to memory, Comprehensive memory storage, Enhanced performance interface, Everyday calculation tools

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| "Purchase 40 Rows" | $3.99 | one-time |


## Frequently asked questions

### Is Calculator83 free?

Calculator83 is free to download, with no in-app purchases.

### Is CalcuMem free?

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

### Which has better reviews, Calculator83 or CalcuMem?

Calculator83 and CalcuMem are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do Calculator83 or CalcuMem have ads?

Neither Calculator83 nor CalcuMem shows ads.

### Which is updated more often, Calculator83 or CalcuMem?

Calculator83 ships an update every 20 months, and CalcuMem every 3 months. Most recently, Calculator83 was updated on October 29, 2026 and CalcuMem on October 19, 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.*