ProCalc+ vs Sleevy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ProCalc+
This advanced calculator app offers a wide range of functions for students, engineers, and daily math needs. It features trigonometric, exponential, and logarithmic capabilities, along with a history memory and customizable themes. The app works offline and provides instant, accurate results.
- Advanced scientific functions
- Calculation history memory
- Clean and fast interface
- Customizable themes
- Offline functionality
- Instant results
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ProCalc+ – The Ultimate Scientific Calculator Power through equations, formulas, and everyday math with ProCalc+, the smart and sleek calculator app designed for students, engineers, and anyone who needs more than just basic math. Whether you're solving trigonometry, calculating exponents, or checking your homework, ProCalc+ gives you everything you need – all in one powerful app. Key Features: • Advanced Scientific Mode – Includes trigonometric, exponential, logarithmic, and root functions • History Memory – View and reuse previous calculations • Clean, Fast Interface – Minimal design, maximum performance • Customizable Themes – Choose the look that fits your style • Works Offline – No connection needed • Instant Results – Fast and accurate calculations on the go Who’s It For? Perfect for students, teachers, engineers, or anyone tackling math problems daily.
Sleevy
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Sleevy is a read-later bookmark manager that lets you save links from anywhere and read them on any device. ONE TAP TO SAVE Tap the share button on any page or link, pick Sleevy, and it lands in your queue. Also available as a Chrome extension, Raycast plugin, web app, MCP and REST API. EVERY DEVICE IN SYNC Save on one device, read on another. Your items sync across iPhone, desktop, and the web before you can blink. SMART ORGANIZATION Items are automatically categorized by type — articles, videos, repositories, and websites. Add tags and filter by source, tag, or full-text search. BUILT TO EXTEND A REST API with personal API keys lets you connect Sleevy to your scripts, shortcuts, and automations. Simple JSON over HTTPS, no SDK required. KEYBOARD-DRIVEN The web companion is fully driveable from the keyboard. j/k to navigate, o to open, n to capture, and a fuzzy-find command palette.
Screenshots
Verdict
The clearest difference is iOS requirement: ProCalc+ at 12.0 against Sleevy's 18.6. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ProCalc+ | Sleevy |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | — | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 28 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Rachit Agarwal | Onno Klein Hofmeijer |
In-app purchases
ProCalc+
No in-app purchases
Sleevy
No in-app purchases









