Calculator83 vs Calculator Express with Notes
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.
Calculator Express with Notes
A beautifully designed utility app offering six essential tools, including currency, unit, and percentage converters, plus calculators for BMI, tips, and world time. Users can customize the app's appearance and manage calculation history with notes and labels.
- Currency converter
- Unit converter
- Percentage calculator
- BMI calculator
- Tip calculator
- World time converter
- Customizable appearance
- Calculation history with notes
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Hello there! This is Calculator Express. We are introducing you a beautifully designed app, that includes 6 handy tools: - Currency converter - Unit converter - Percentage calculator (hey marketers, this feature is for you) - BMI calculator - Tip calculator - World time converter (and many more tools will be added very soon, stay tuned!) You can customise Calculator Express as you wish - color, fonts, app icon, buttons background and even more! But what else? Guys, we think that calculation history is a very important feature and that's why we decided to make it more convenient - we added labels and notes to your calculations. Pin, copy and share. We think our app will be a great companion and just a handy simple tool. Privacy policy: https://calculator.express/assets/privacy.html Terms of Use: https://calculator.express/assets/terms.html
Screenshots
Verdict
The clearest difference is rating: Calculator83 at 5.0 against Calculator Express with Notes's 4.4. Calculator83 also leads on in-app purchases (none vs 2) and ads (none vs shown). Calculator Express with Notes's advantage is update cadence (monthly vs every 20 months) and ratings volume (43 vs 4). On price, review sentiment, device support and iOS requirement 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. Calculator Express with Notes sells 2 one-off in-app purchases. Calculator83 asks for nothing beyond the download.
Calculator83 holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Calculator Express with Notes has 43 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 63% of Calculator83's written reviews are positive against 69% of Calculator Express with Notes's, so the app with the better star average is not the one people write more warmly about.
Calculator83 ships an update every 20 months, Calculator Express with Notes monthly. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | Calculator83 | Calculator Express with Notes |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.4 (43 ratings) |
| Positive reviews | 62.5% of reviews | 69.2% of reviews — better |
| Number of ratings | 4 | 43 — better |
| Update frequency | Every 20 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Lyker Labs LLC | RAMAN KHVASHCHEUSKI |
Customer experience
Calculator83
Calculator Express with Notes
In-app purchases
Calculator83
No in-app purchases
Calculator Express with Notes
- Remove Ads -50% off$1.99
- Remove Ads$4.99
Questions
Is Calculator83 free?
Is Calculator Express with Notes free?
Which has better reviews, Calculator83 or Calculator Express with Notes?
Do Calculator83 or Calculator Express with Notes have ads?
Which is updated more often, Calculator83 or Calculator Express with Notes?
Other comparisons
