Comparison

Soulver 4 vs Tully

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

Tully

Read full description

If you have a packed schedule, an endless to-do list and no idea how to fit it all in - let Tully help you. Add time blocks, and Tully automatically fits them around your calendar events. Start working on a block, and you'll only see the reminders that are relevant. See at a glance how much time you have and track where your time really goes. BUILT NATIVELY ON APPLE REMINDERS AND CALENDAR No importing, no separate task system, no new inbox. Tully works directly with your existing reminders and calendars. Anything you add, update or complete in Tully reflects in your native Apple apps, and vice versa. PLAN • Add time blocks that automatically fit around your calendar events • Create reusable block and day templates • Pin blocks to specific times or set “not before” times • Use projects, tags, and lists to filter the reminders that show inside each block, or create a block for a specific reminder ORGANIZE Tully adds extra features to supercharge your Apple Reminders: • Group reminders into projects • Set deadlines as well as start dates • Repeat reminders after completion • Snooze reminders or push to “someday/maybe” FOCUS • Focus on one block - and its reminders - at a time • Get alerts for upcoming blocks, the end of planned time, and when running overtime • If you keep working past the planned time, Tully pushes later blocks back • If you're interrupted or haven't finished, choose to 'continue later' • Home Screen widgets: see the current or next block, start or stop focus, and complete tasks without opening the app REVIEW • Check reminders that need your attention in the day overview or review tab • See where your time actually went: history with session logs, time-per-category charts, and heatmaps PRIVATE BY DESIGN Tully collects no data. Everything stays on your device and in your personal iCloud, which syncs Tully across your devices. No account, no analytics, no ads. ONE-TIME PAYMENT Tully is completely free to try for 2 weeks - no payment method required. After that, a one-time purchase of Tully Pro is needed to continue using Tully's planning features. There is no subscription and you won't be charged automatically. Payment will be charged to your Apple Account at confirmation of purchase. REGULARLY UPDATED Tully is actively developed and improving. Have an idea or suggestion? I'd love to hear it! Go to Settings → Send Feedback. Privacy policy: https://becc00.github.io/tully-app-info/privacy.html Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Soulver 44 screens
Tully4 screens

Verdict

The call

The clearest difference is update cadence: Tully at weekly against Soulver 4's monthly. Soulver 4's advantage is iOS requirement (17.6 vs 26.0). 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

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 Tully sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Soulver 4 ships an update monthly, Tully weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
Soulver 4 versus Tully: the parameters behind the verdict, then further details
ParameterSoulver 4Tully
PriceFreeFree
Rating4.9 (433 ratings) — better—
Positive reviews76.3% of reviews—
Number of ratings433 — better—
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaid—
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS17.6 — better26.0
Further details — not scored
Size39 MB20 MB
Age rating4+4+
DeveloperZac CohanRebecca Chapman

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

Tully

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

Tully

One-time1
  • Tully Pro$19.99

Questions

Is Soulver 4 free?
Soulver 4 is free to download, with in-app purchases available.
Is Tully free?
Tully is free to download, with in-app purchases available.
Do Soulver 4 or Tully have ads?
Neither Soulver 4 nor Tully shows ads.
Which is updated more often, Soulver 4 or Tully?
Soulver 4 ships an update monthly, and Tully weekly. Most recently, Soulver 4 was updated on October 25, 2026 and Tully on October 24, 2026.

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