eGFR GFR Calculator vs scandango
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eGFR GFR Calculator
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eGFR Calculator A straightforward calculation tool that estimates glomerular filtration rate using well‑known, peer‑reviewed formulas. Suitable for reference and educational purposes. Supported Formulas: Adult 2021 CKD‑EPI (race‑free) 2009 CKD‑EPI (classic) Cystatin C‑based equations Pediatric Schwartz 2009 CKiD U25 series (creatinine, cystatin C, combined) Key Features: Instant calculation from your entered values Multiple unit systems supported Optional history save (stored locally; cloud sync can be enabled) 13 languages Important Disclaimer: This app is for educational and reference use only. Results are derived from published formulas and are not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions. Subscription: Premium features (e.g., additional unit conversions, ad‑free experience) are offered via auto‑renewable subscriptions. Subscriptions automatically renew unless turned off at least 24 hours before the end of the current period. Manage subscriptions in your Account Settings after purchase. Full subscription terms: https://koo8chun.github.io/ccrapp/terms-of-service.html Privacy Policy: https://koo8chun.github.io/ccrapp/privacy-policy.html Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
scandango
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Turn paper into clean PDF and PNG files on your iPhone or iPad. Point the camera at a page and scandango finds the edges, straightens it, cleans it up and reads the text. Everything happens on your device. SMART NAMES AND KEY DETAILS Apple Intelligence reads each scan and names it for you, like "Electricity Bill, October 2026" instead of "Scan 2026-10-01 0915". It picks out the dates, amounts and reference numbers that matter, and adds a due date to Calendar in one tap. On iPhones without Apple Intelligence, scandango names scans from their first line of text. SCAN IN SECONDS Single Page saves each scan on its own. Multi-page keeps related pages together. Add pages to a scan from your library at any time, and your unfinished scans stay saved. CLEAN, STRAIGHT PAGES Auto evens out lighting and shadows and sharpens text, while checking it hasn't lost detail or changed color. Crop, rotate, reorder and undo edits. Choose Color, Grayscale, Black and White or Original. On iOS 27, Flatten Curved Page straightens pages from books. FIND ANYTHING Search your library by name, by any word in a scan, or by kind of document, such as "receipts" or "letters". Select and copy text with Live Text. SIGN, SORT AND KEEP TRACK • Sign & Mark Up: sign, write and highlight on any page with Apple Pencil or your finger. • Smart Folders: receipts, bills, letters and more, sorted into folders as you scan. • Bill Reminders: a reminder before a bill is due, from the date on the page. • Expenses: receipts, invoices and bills in one list with totals, ready to export as a spreadsheet. SAVE AND SHARE Searchable PDFs, PNG images, text files, PDF passwords, custom page sizes and margins, and batch export. Save to Files or Photos, or share with any app. Open scandango from Shortcuts, Control Center or a Lock Screen widget. BUILT FOR IPHONE DUO AND IPAD Open iPhone Duo and scan on one side while your pages build up on the other. On iPad, your library sits in a sidebar beside the scan you're working on, with tools at the top, keyboard shortcuts and drag and drop. PRIVATE BY DESIGN No account, ads or subscription, and every feature is free. Your scans, their text and Apple Intelligence all stay on your device unless you choose to share them. Requires iOS 26 or later. Smart names and summaries need a device with Apple Intelligence.
Screenshots
Verdict
The clearest difference is in-app purchases: scandango at none against eGFR GFR Calculator's 2. scandango also leads on update cadence (every 5 days vs every 9 months). eGFR GFR Calculator's advantage is iOS requirement (13.0 vs 26.0). On price, ads 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. eGFR GFR Calculator sells 2 in-app purchases, starting at $1.99 per month. scandango asks for nothing beyond the download.
eGFR GFR Calculator ships an update every 9 months, scandango every 5 days. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.
| Parameter | eGFR GFR Calculator | scandango |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 26 MB | 38 MB |
| Age rating | 17+ | 4+ |
| Developer | 立春 代 | Neil Johnson |
In-app purchases
eGFR GFR Calculator
- Monthly Subscription7 Days trial$1.991 Month
- yearly Subscription7 Days trial$12.991 Year
scandango
No in-app purchases









