Comparison

Soulver 4 vs Rocket Typist

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

Rocket Typist

This app helps you save time by creating and inserting saved text snippets, images, and more. Organize your snippets into folders, customize them with various formats including AI-powered options, and access them instantly through search or a dedicated keyboard. Syncs seamlessly across Apple devices.

Highlights
  • Text snippet creation and insertion
  • Organize snippets into folders
  • Customizable snippet formats (plain text, rich text, code, images)
  • AI-powered smart snippets
  • Instant access via search and snippet keyboard
  • Syncs across Mac, iPhone, and iPad via iCloud
  • Dynamic macros with placeholders and dates
Features
Read full description

Save Time and Type Smarter with Rocket Typist Tired of retyping the same phrases? Rocket Typist is the ultimate text expander that streamlines your workflow and saves you valuable time. Easily create and insert your saved snippets—text, images, and more—on your iPhone, iPad, and Mac. With your personal snippet collection always at your fingertips, repetitive typing becomes a thing of the past. Rocket Typist is the text expander the Apple platform deserves. Organize, Customize, and Automate Snippets with Ease • Effortless Snippet Management: Keep your workspace neat by organizing snippets into folders. • Powerful Customization: Create snippets in plain text, rich text, formatted code (with optional JavaScript execution), AI-powered smart snippets, and even images. • Instant Access: Quickly find and insert snippets using advanced search, filters, or the snippet keyboard. • Never Type It Again: Once saved, your snippets are always ready at your fingertips. Boost Productivity with Dynamic Macros • Add smart elements like text placeholders, dates, key functions, and more. • Labeled Macros Hub for easy management and consistent application across snippets. • Live Preview ensures your snippets look perfect before you insert them. Sync Seamlessly Across All Your Apple Devices • Work Anywhere: Use Rocket Typist on your Mac, iPhone, and iPad for a smooth experience across all devices. • iCloud Sync: Your snippets automatically sync across devices, so they’re always accessible when you need them. Start for Free – Unlock Pro Features Anytime Rocket Typist is free to use with a basic feature set. Upgrade to Rocket Typist Pro for the full experience. Download Rocket Typist today and type less tomorrow!

Screenshots

Soulver 44 screens
Rocket Typist4 screens

Verdict

The call

The clearest difference is rating: Soulver 4 at 4.9 against Rocket Typist's 4.1. Soulver 4 also leads on ratings volume (435 vs 24). Rocket Typist's advantage is monetization model (freemium vs paid) and update cadence (fortnightly vs monthly). On price, review sentiment, 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 Rocket Typist sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Soulver 4 holds the better App Store score, 4.9 against 4.1. That said, the two scores are not equally well evidenced: Soulver 4 has 435 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 76% of Soulver 4's written reviews are positive against 73% of Rocket Typist's.

UpkeepUpdate frequency

Soulver 4 ships an update monthly, Rocket Typist fortnightly. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

Scorecard4 real differences · 6 level
Soulver 4 versus Rocket Typist: the parameters behind the verdict, then further details
ParameterSoulver 4Rocket Typist
PriceFreeFree
Rating4.9 (435 ratings) — better4.1 (24 ratings)
Positive reviews76.3% of reviews — better72.7% of reviews
Number of ratings435 — better24
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, MaciPhone, iPad, Mac
Requires iOS17.6 — better18.6
Further details — not scored
Size39 MB38 MB
Age rating4+4+
DeveloperZac CohanDaniel Witt

Customer experience

Soulver 4

All ratings429 ratings
Positive97.7%
Neutral0.5%
Negative1.9%
Written reviews245 reviews
Positive76.3%
Neutral7.8%
Negative15.9%

Rocket Typist

All ratings24 ratings
Positive75.0%
Neutral8.3%
Negative16.7%
Written reviews55 reviews
Positive72.7%
Neutral12.7%
Negative14.5%

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

Rocket Typist

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
2 purchases

Rocket Typist

One-time2
  • Rocket Typist Pro for iOS$9.99
  • Rocket Typist Pro for macOS$19.99

Questions

Is Soulver 4 free?
Soulver 4 is free to download, with in-app purchases available.
Is Rocket Typist free?
Rocket Typist is free to download, with in-app purchases available.
Which has better reviews, Soulver 4 or Rocket Typist?
Soulver 4 is rated higher. Soulver 4 averages 4.9 out of 5 from 435 ratings, while Rocket Typist averages 4.1 from 24 ratings.
Do Soulver 4 or Rocket Typist have ads?
Neither Soulver 4 nor Rocket Typist shows ads.
Which is updated more often, Soulver 4 or Rocket Typist?
Soulver 4 ships an update monthly, and Rocket Typist fortnightly. Most recently, Soulver 4 was updated on October 29, 2026 and Rocket Typist on October 27, 2026.

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