Soulver 4 vs Songware
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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/
Songware
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Your songs, chords, and sets—ready when it matters. Songware is a focused music workspace for solo musicians, bands, and worship teams that want their repertoire organized and ready to play. BUILD YOUR LIBRARY • Create and edit songs with lyrics, chords, original keys, vocal ranges, tags, audio recordings, and reference links. • Transpose chords instantly and keep rehearsal recordings beside each song. • Search your library and quickly return to the music you use most. IMPORT INSTEAD OF RETYPING Import songs from text, photos, PDFs, ChordPro files, iReal links, MusicXML, documents, and ZIP archives. Smart, AI-assisted import recognizes lyrics and chords and highlights anything that may need review. ORGANIZE AND COLLABORATE • Group songs into songbooks for worship, weddings, rehearsals, performances, or personal collections. • Build ordered setlists with event details and participants. • Create organizations, invite members, and share songbooks and setlists with your team. PLAY TOGETHER Start a live session to keep everyone on the same song and key in real time. Follow the set, request songs, hand off leadership, and present clear lyrics and chords on stage or a second screen. From the phone in your pocket to the tablet on your music stand, Songware gives your music one clean, connected home. Some features require an auto-renewable Band or Band+ subscription. Prices are displayed in the app before purchase. Subscriptions renew automatically unless canceled through your Apple Account. Privacy Policy: https://songware.app/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Songware at every 3 days against Soulver 4's monthly. Songware also leads on iOS requirement (15.0 vs 17.6). 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. Soulver 4 sells 10 in-app purchases, starting at $26.00 per year and Songware sells 4 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
Soulver 4 ships an update monthly, Songware every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Soulver 4 | Songware |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (436 ratings) — better | — |
| Positive reviews | 76.0% of reviews | — |
| Number of ratings | 436 — better | — |
| Update frequency | Monthly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 61 MB |
| Age rating | 4+ | 12+ |
| Developer | Zac Cohan | FourSource |
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
Songware
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Soulver 4
- AI Assistant, Stocks & Weather$26.001 Year
- 60-day free trial (for iPad)Free
- 60-day free trial (for Mac)Free
- Soulver 3 for iPhone$14.00
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- Soulver 4 for iPhone$15.00
- Soulver 3 for iPad$20.00
- Soulver 4 (Upgrade from Soulver 3)$29.00
- Soulver 3 for Mac$39.00
- Soulver 4$54.00
- Soulver 4$59.00
Songware
- Band Monthly14 Days trial$5.991 Month
- Band+ Monthly14 Days trial$9.991 Month
- Band Annual1 Month trial$59.991 Year
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- Band+ Annual1 Month trial$99.991 Year









