PixelCipher vs Sumi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PixelCipher
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Introducing PixelCipher - Your Ultimate Solution for Private Photo Protection! **Safeguard Your Memories, Your Way** Transform sensitive photos into encrypted files instantly with military-grade security. Store, retrieve, and convert images/files seamlessly while keeping prying eyes at bay. **Key Features:** **Advanced Encryption** - Convert photos to unreadable files (AES-256) in seconds. **Dual Conversion** - Revert encrypted files back to original images anytime. **Fingerprint/Face ID** - Ultra-fast access without compromising safety. **Why Choose SecureVault Pro?** "Finally, an app that lets me store ID scans and private moments without fear!" – Emily T. (5-star review)
Sumi
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Sumi is a calculator that remembers. Instead of a single number that disappears the moment you hit equals, Sumi shows your whole calculation as a running tape — every line visible, editable, and adding up to a live total. It's the fast, frictionless way to work through anything from a quick estimate to a full list of expenses. A CALCULATOR WITH A MEMORY • Every entry stays on screen as a scrollable history tape • A live Total updates as you go — no re-typing • Operators are color-highlighted so long expressions stay readable EDIT ANYTHING, ANYTIME • Tap any line to move the cursor and fix a number • Recalculate instantly without starting over • Use parentheses and full operator support for real expressions ADD NOTES THAT STICK • Label any line with a note — "rent", "tax", "client A" • Notes appear as clean tags right next to the math • Finally know what each number was for SHARE YOUR WORK • Copy the whole tape as text • Share a clean screenshot of your history • Perfect for sending a quick breakdown to someone LIVES WHERE YOU WORK • A tidy app on iPhone and iPad • A menu bar calculator on Mac — one click away, always there • The same calculator, wherever you are MAKE IT YOURS • Choose from beautiful themes • A calm, focused design that gets out of your way PRIVATE BY DESIGN • Everything happens on your device • No accounts, no tracking, no clutter Great for budgets, receipts, invoices, splitting bills, expense tracking, and any time one number just isn't enough. Download Sumi and never lose your train of thought mid-calculation again.
Screenshots
Verdict
The clearest difference is iOS requirement: PixelCipher at 15.6 against Sumi's 17.0. 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 | PixelCipher | Sumi |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 硕 王 | YuXin Healing Hub Pte. Ltd. |
In-app purchases
PixelCipher
No in-app purchases
Sumi
No in-app purchases









