Comparison

Soulver 4 vs ScanMind

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

Head to head
About

Soulver 4

This app combines the functionality of a notepad with a powerful calculator. It allows users to perform complex calculations using natural language, supports unit conversions, date math, and live currency conversions. Organize your calculations in sheets with text comments and share them as PDFs.

Highlights
  • Natural language calculations
  • Unit and currency conversions
  • Date and time math
  • Live currency and stock prices
  • Customizable accessory keyboards
  • Spreadsheet-like line references
  • Variables and conditional statements
Features
Read full description

Ever reach for a calculator and the back of an envelope to work something out? That's what Soulver is for. It's a natural-language notepad calculator: think through a problem line-by-line, using plain words and numbers. The answers appear alongside each line as you type. Soulver isn't just a calculator app — it's the paper you'd scribble on to figure something out. Except this paper does the numbers for you, so you stay thinking at the level of your problem. 20% of $1,480 | $296 $100 in EUR | €86 240 km in miles | 149 mi $1,200 + 15% tax | $1,380 3 weeks from today | June 21 Because Soulver uses sheets (like Notes), you can explore different ideas: weigh options, change variables and watch everything update. WHAT CAN SOULVER CALCULATE? – Live currency conversions — 190 currencies, including crypto – Percentages in plain language — "20% off $50", "$50 is what % of $200" – Unit conversions — hundreds of units across length, weight, volume, data and more – Dates & time — "days until Christmas", time intervals, clock and video-timecode math – Time-zone conversions — "3pm New York to London" – Sums & averages – Financial functions — compound interest, mortgage repayments, hourly rates It's the closest thing to an on-device universal calculator ever created. DESIGNED FOR IPHONE – A meticulously designed numeric keyboard that makes calculating fast – Six specialised accessory keyboards — for currencies, percentages, dates & times, and variables – Build your own custom keyboard with the buttons you reach for most BEST-IN-CLASS ON IPAD – Multiple windows, Slide Over & Split View — float Soulver alongside Notes or Safari – Full Magic Keyboard support with dozens of keyboard shortcuts – Scribble & Apple Pencil – Find & replace, a line-styling palette and a powerful text editor – Automation with URL schemes & Siri Shortcuts POWER USER FEATURES – Multi-word variables — "total cost = $750" – Inline tokenized references to previous answers – Subtotals, tags & trip planning – Wolfram|Alpha integration – Headings, comments, labels & dividers to structure long sheets – Custom units and global variables in the definition sheet SHARING & SYNC – Sync your sheets with Soulver 4 for Mac via iCloud – Export to PDF & plain text, or send beautiful HTML emails – Share a calculation as an image — just take a screenshot ONE TIME PURCHASE Soulver is a one-time (non-subscription) purchase. We've been refining and improving Soulver since 2005, and major paid updates average once every 7 years. Try it free for 60 days, no commitment, no automatic charge. —————————————————————————————— Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ScanMind

Features
Read full description

ScanMind turns paper documents, receipts, invoices, product labels, IDs, and everyday records into organized, searchable files. Scan with the camera or import photos, correct page edges, recognize English and Chinese text on device, and review structured fields before filing. Built for privacy and control: • On-device OCR for English and Chinese • Structured extraction for receipts, invoices, product labels, shipping documents, IDs, nutrition labels, and more • Multi-page scanning, crop, rotate, reorder, and delete pages • Search across titles, OCR text, and extracted fields • Folders, smart views, archive workflow, and Recently Deleted • Export clean PDFs without a ScanMind watermark • App Lock with Face ID, Touch ID, or device passcode • Original images and recognized text stay on your iPhone ScanMind Pro is a one-time purchase. Core scanning and PDF export remain available without a subscription.

Screenshots

Soulver 44 screens
ScanMind3 screens

Verdict

The call

The clearest difference is device support: Soulver 4 at 3 against ScanMind's 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Soulver 4 sells 14 in-app purchases, starting at $26.00 per year and ScanMind sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
Soulver 4 versus ScanMind: the parameters behind the verdict, then further details
ParameterSoulver 4ScanMind
PriceFreeFree
Rating4.9 (435 ratings) — better—
Positive reviews76.3% of reviews—
Number of ratings435 — better—
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationPaid—
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size39 MB5 MB
Age rating4+4+
DeveloperZac Cohan又文 张

Bugs and requests

Soulver 4

Reported bugs

3 issues
  • Crashes when using certain emojis in sheet titles
  • Issues with iCloud sync and data migration from older versions
  • Inconsistent behavior when modifying variables and formulas

Requested features

4 requests
  • Improved iPad and iPhone UI/UX
  • Enhanced data export and sharing options
  • More advanced mathematical and scientific functions
  • Ability to define custom units and unit conversions

ScanMind

Not enough reviews yet to summarise bugs or requests.

In-app purchases

14 purchases

Soulver 4

Subscriptions1
  • AI Assistant, Stocks & Weather$26.001 Year
One-time13
  • Complementary UpgradeFree
  • 30-day free trial (for iPhone)Free
  • 60-day free trial (for iPad)Free
Show 10 more
  • 60-day free trial (for Mac)Free
  • Soulver 4 for iPhone (upgrade)$7.49
  • Soulver 3 for iPhone$14.00
  • Soulver 4 for iPhone$15.00
  • Soulver 3 for iPad$20.00
  • Soulver 4 (Upgrade from Soulver 3)$29.00
  • Soulver 4 (Promotion)$39.00
  • Soulver 3 for Mac$39.00
  • Soulver 4$54.00
  • Soulver 4$59.00
1 purchases

ScanMind

One-time1
  • ScanMind Pro Lifetime$12.99

Questions

Is Soulver 4 free?
Soulver 4 is free to download, with in-app purchases available.
Is ScanMind free?
ScanMind is free to download, with in-app purchases available.
Do Soulver 4 or ScanMind have ads?
Neither Soulver 4 nor ScanMind shows ads.
Which is updated more often, Soulver 4 or ScanMind?
Soulver 4 ships an update monthly, and ScanMind monthly. Most recently, Soulver 4 was updated on October 27, 2026 and ScanMind on October 24, 2026.

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