Calculator83 vs CalcuMem
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator83
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.
- Minimalist design
- Clean workflow
- Basic mode
- Scientific mode
- Easy to use
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Calculator83 is a minimalist calculator designed with simplicity to the core and an emphasis on a clean workflow. Be up and running in seconds! Featuring two modes of operation, basic and scientific. The goal of this app is to allow users to have a powerful calculator without the fuss of learning all the settings of a powerful calculator.
CalcuMem
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.
- Editable memory buttons
- Comments for memory entries
- Photo attachments to memory
- Comprehensive memory storage
- Enhanced performance interface
- Everyday calculation tools
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CalcuMem reinvents the "Math to Memory" Interaction with its spectacular new look for enhanced performance! Introducing Editable Memory Buttons (with comments) that will forever retire the “MR”, “MC”, “M+” and “M-“ buttons. More Comprehensive Memory Storage (supporting the addition of comments and photos) will enhance saved choices and let you retrieve them when needed with a finger touch. These unique Memory Capabilities are ideal for handling your shopping activities, budget management, feasibility study, loan analysis and everyday calculations. Just let CalcuMem do the math for you!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 14, 2026 and October 19, 2026 respectively.
| Parameter | Calculator83 | CalcuMem |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (2 ratings) |
| Positive reviews | 62.5% of reviews — better | 50.0% of reviews |
| Number of ratings | 4 — better | 2 |
| Update frequency | Every 20 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Lyker Labs LLC | Mohamed Asser Reda |
Customer experience
Calculator83
CalcuMem
In-app purchases
Calculator83
No in-app purchases
CalcuMem
- "Purchase 40 Rows"2 variants$3.99
