Comparison

Calki vs Sheet Editor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Calki

This app combines a powerful camera number scanner, a full-featured unit converter, and a beautifully designed calculator. It allows you to scan numbers from documents, convert units across various categories, and perform calculations with live previews and advanced history.

Highlights
  • Camera number scanner (OCR)
  • Unit converter with 12 categories
  • Smart calculator with live preview
  • Advanced calculation history
  • Customizable themes and fonts
  • Ad-free experience
Read full description

A REFRESHING EVERYDAY CALCULATOR I started this because every calculator I'd ever used felt exactly the same, a grid of grey buttons, technically functional, completely uninspired. You look at this thing dozens of times a day. I figured it might as well feel good to use. DON'T TYPE IT. SCAN IT. The part of daily maths that actually annoyed me wasn't the maths, it was the typing. Squinting at a receipt, a packing slip, a utility bill, trying to get a long string of digits into my phone without fat-fingering a number along the way. So I built real-time number scanning into Calki. Point your camera at any printed digits and they drop straight into your live calculation. No re-typing, no silent typos. SCAN ON AUTOPILOT: OP MODE Even scanning one number at a time felt too slow once you're working through a long list of expenses or measurements, so I added OP Mode. Turn it on and Calki keeps adding (or subtracting, multiplying, whatever operation you need) every number you scan, one after another, as fast as you can point the camera. No tapping the plus sign between items, just point, scan, and watch the total build. TOTAL EDITING FREEDOM I never liked that most calculators punish a tiny mistake by making you start the whole thing over. So in Calki, your equation is never locked in. Made an error three numbers back? Tap it, fix it, or remove it outright. Swap an operator mid-calculation without losing your place. It's your equation, you should be able to touch any part of it. FLUID, CUSTOM CONVERSIONS I got tired of jumping between three different apps just to convert a price, check a weight, and finish the maths. So the converter lives right inside Calki, built for speed: glide between units and categories in a single tap. And if you've got something specific to your own world, you can build a custom unit for it. A HISTORY LOG WITH MUSCLE Nothing winds me up more than digging through a buried menu to find yesterday's calculation. Calki's history stays close and stays useful: double-tap any entry to drop its result back into your current calculation, long-press to pull the entire original expression back onto the board, or add a note so you remember what a number was even for, weeks later. RETRO FLAIR, MODERN SOUL Last one is just personal taste. I don't think calculators need to look clinical and forgettable. Calki's design is inspired by the kind of premium, classic hardware I'd actually want sitting on my desk, and the themes are fully customisable if your taste runs differently from mine. The buttons on the Retro and Industrial themes in particular took a lot of obsessing over. I wanted them to feel like a real high-end device in your hand rather than a flat picture of one, so each was built with realistic animation, haptics, sound, and design to back it up. Thanks for reading this far, and hope you give Calki a try. It's a one-person project, so every download, review, and bit of feedback genuinely reaches me, personally. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Sheet Editor

Features
Read full description

Sheet Editor is a fast, powerful, and lightweight spreadsheet reader & editor designed for iPhone and iPad. Easily view, edit, and manage your XLSX, XLS, and CSV files anytime, anywhere — even without an internet connection. Whether you're a business professional, student, accountant, or data analyst, Sheet Editor delivers the ultimate mobile office productivity experience. KEY FEATURES: FAST & SMOOTH SPREADSHEET VIEWER • Open all popular spreadsheet formats: .XLSX, .XLS, .CSV. • Lightning-fast file rendering, even for large data workbooks. • Multi-sheet navigation: Switch effortlessly between different worksheets. • Smooth pinch-to-zoom and seamless scrolling. INTUITIVE EDITING & FORMATTING • Edit cell contents, enter formulas with the dedicated Formula Bar. • Rich cell formatting: text color, background fill, bold typography, and alignment. • Multi-level Undo and Redo to keep your work error-free. • Insert or delete rows and columns easily. • Create brand new blank spreadsheets with a single tap. POWERFUL FIND & SEARCH • Fast in-sheet search with instant cell highlighting and navigation. • Quick document search on the home screen to find your files in seconds. EXPORT TO PDF & AIRPRINT • Convert your Excel spreadsheets to high-quality PDF files in seconds. • Print sheets wirelessly directly with AirPrint support. • Share your XLSX, CSV, or exported PDF files via Email, AirDrop, Messages, and Cloud Drive. 100% OFFLINE & PRIVACY FOCUSED • All file processing is performed locally on your device. • No account registration or cloud sign-in required — your financial and business data stays completely confidential. • Full support for Light and Dark mode. Download Sheet Editor today and take control of your spreadsheets on the go!

Screenshots

Calki4 screens
Sheet Editor3 screens

Verdict

The call

The clearest difference is ads: Sheet Editor at none against Calki's shown. Sheet Editor also leads on iOS requirement (15 vs 18.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Calki sells 3 in-app purchases, starting at $0.99 per month and Sheet Editor sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 8 level
Calki versus Sheet Editor: the parameters behind the verdict, then further details
ParameterCalkiSheet Editor
PriceFreeFree
Rating4.8 (16 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings16 — better—
Update frequencyFortnightly—
AdsYesNo — better
In-app purchasesYesYes
MonetizationAd-supported—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015 — better
Further details — not scored
Size52 MB33 MB
Age rating4+4+
DeveloperVimal ParthanThuy Binh Ngo

In-app purchases

3 purchases

Calki

Subscriptions2
  • Calki Pro Monthly3 Days trial$0.991 Month
  • Calki Pro Yearly7 Days trial$2.991 Year
One-time1
  • Calki Pro Lifetime$5.99
1 purchases

Sheet Editor

One-time1
  • Sheet Reader Pro$0.99

Questions

Is Calki free?
Calki is free to download, with in-app purchases available.
Is Sheet Editor free?
Sheet Editor is free to download, with in-app purchases available.
Do Calki or Sheet Editor have ads?
Calki shows ads; Sheet Editor does not.

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