Scandock vs CalcDraw
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Scandock
Transform your iPhone into a powerful document scanner with one-touch simplicity. Achieve excellent, true-color output automatically with minimal effort. Scan multiple items in a single shot and save as JPEG or PDF.
- One-touch scanning
- True Color output
- Multi-Doc mode (up to 10 objects)
- Auto-detection and cropping
- JPEG or PDF export
- Advanced black and white conversion
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Turns your iPhone into the best document scanner with Scandock. The only app with one-touch scan. With fewest clicks, you get excellent output auto-magically. Scandock produces the best output compared with other mobile scanning apps. - The only app that creates True Color output. Your scans will look so good just like the originals.* - Scan up to 10 objects in a single shot with the awesome Multi-Doc mode! Available exclusively in Scandock. - Everything is auto-magic. You get excellent output with fewest clicks possible. - Truly free. No annoying ads. No subscription. Comes with all the essential features: - Scan documents, business cards, receipts, bills, invoices. - Scan as JPEG or PDF - Email the output as JPEG or multi-page PDF - Auto-detect document edge, auto-crop, auto-correct perspective - Most advanced black and white conversion technique to create sharp and high-contrast images. - Enhance and optimize image quality - Convert to greyscale or black and white - The original image is always saved. You can always undo the change and revert to the original document. - Print with AirPrint - And a lot more! * True Color output is only available when used with the Scandock hardware sold separately on www.scandock.com
CalcDraw
This free tool lets you write notes and perform calculations simultaneously. Easily capture ideas and share results instantly. Enjoy a smooth and intuitive math workflow.
- Write and solve math problems
- Take notes alongside calculations
- Instant sharing of results
- Intuitive and stress-free workflow
- Copy results to clipboard
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Calc Draw is a simple calculator app that lets you take handwritten notes while you calculate. Enter numbers and formulas while freely writing on the same screen. It's perfect for shopping, splitting bills, estimating costs, brainstorming ideas, or any situation where calculations alone aren't enough. Write directly on the canvas using a pen or eraser, then share your notes as an image or PDF whenever you need. You can also copy and share calculations, results, and calculation history, making it easy to save and reuse your work. Features Use the calculator and handwriting canvas at the same time Pen, eraser, move tool, Undo & Redo Save calculation history Copy and share calculations and results Export the canvas as an image or PDF Supports Light Mode and Dark Mode Available in multiple languages Calc Draw is designed for people who want to keep calculations and handwritten notes together in one place, without switching between multiple apps.
Screenshots
Verdict
The clearest difference is rating: Scandock at 5.0 against CalcDraw's 4.8. Scandock also leads on monetization model (free vs ad-supported) and iOS requirement (7.0 vs 16.6). CalcDraw's advantage is ratings volume (4 vs 1). On price, update cadence, ads and in-app purchases 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.
Scandock holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.
| Parameter | Scandock | CalcDraw |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.8 (4 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 | 4 — better |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 7.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 5 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Atiz Innovation | dai kawaguchi |
Customer experience
Scandock
CalcDraw
In-app purchases
Scandock
No in-app purchases
CalcDraw
No in-app purchases









