Draw vs Calvance Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Draw
This application allows users to create drawings using digital tools. It provides a platform for users to produce pictures, patterns, or diagrams with a digital pencil or pen.
- Digital drawing
- Pencil and pen tools
- Create pictures
- Produce patterns
- Make diagrams
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When you draw, or when you draw something, you use a pencil or pen to produce a picture, pattern, or diagram.
Calvance Calculator
This app redefines calculation with an infinite canvas for visual workflows and smart linkage for real-time updates. It automatically saves results, allows for labeled annotations, and enables formula reuse for efficient scenario testing. Ideal for students, engineers, and finance professionals.
- Infinite canvas for visual calculation workflows
- Smart linkage for automatic real-time updates
- Automatic saving of intermediate results
- Label annotation for clear narratives
- Formula reuse for template creation
- Canvas sync across devices (Premium)
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Bring units and currencies into every calculation. Calvance is a canvas calculator that keeps numbers, units, currencies, formulas, and notes together. From material costs to budgets in different currencies, connect each step, adjust assumptions, compare results, and keep your reasoning. Connect quantities, prices, and costs Use length, weight, time, and currencies in your calculations. Compound units such as price per meter or cost per hour make the meaning of each input and result clear. Make conversions part of the calculation Convert compatible units and calculate across currencies. Use a converted result in the next formula to work from quantities to costs and on to the total budget. Change an input, update linked results Connect formulas through references. Adjust a quantity, price, or other condition and the related results recalculate, so you can compare alternatives using the same work. Keep exchange rates with each canvas Each canvas retains its reference exchange rates until you choose to update them. Return to a budget and continue with the same basis. Rates are for reference calculations, not live trading quotes. Keep the process and the reasoning • Arrange formulas freely and see earlier and later steps together. • Label numbers and add notes about assumptions and purpose. • Calculations save automatically, ready for you to continue. • Start with a template or duplicate a canvas to reuse your approach. Calculate your way • Number formats: follow your system settings or choose decimal and grouping separators. Supports Indian digit grouping and adjustable result precision. • Multiple canvases: organize calculations by project or purpose. • Image and file export: share your calculations or save and pass along canvas files. • External keyboards, dark mode, and a Liquid Glass interface. • Cross-device canvas sync: with Premium, sign in with Apple, Google, or email to continue on another device. Start free, upgrade when needed Core canvas calculation features are free. Local Pro and Local Unlimited are one-time purchases. Premium is a subscription that includes cross-device canvas sync. Unit and currency settings are included in Local Pro, Local Unlimited, and Premium. Calculations you can continue. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Calvance Calculator at 4.0 against Draw's 2.2. Calvance Calculator also leads on update cadence (fortnightly vs every 6 weeks). Draw's advantage is review sentiment (26% vs 0%) and iOS requirement (6.0 vs 15.0). On price, ratings volume, 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
Both are free to download. Draw sells 3 one-off in-app purchases and Calvance Calculator sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Calvance Calculator holds the better App Store score, 4.0 against 2.2. Both are backed by a comparable volume of ratings — 5 and 6 respectively. Written reviews complicate that: 26% of Draw's written reviews are positive against 0% of Calvance Calculator's, so the app with the better star average is not the one people write more warmly about.
Draw ships an update every 6 weeks, Calvance Calculator fortnightly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.
| Parameter | Draw | Calvance Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (5 ratings) | 4.0 (6 ratings) — better |
| Positive reviews | 25.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 5 | 6 — better |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Orgajja Co Ltd | Guanghan Zhumang Science and Technology Co., Ltd. |
Customer experience
Draw
Calvance Calculator
Bugs and requests
Draw
Reported bugs
10 issues- App crashes frequently during use
- Won't open or start properly
- Saved drawings appear blank or mirrored
- Doesn't work without WiFi/internet connection
- Drawing stops working after clearing screen
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- Ads cause accidental app store redirects
- Flashing ads that could trigger seizures
- App freezes when opening menus
- Lines are not smooth or accurate
- Background images display incorrectly
Requested features
10 requests- Remove or reduce advertisements
- Add erase/undo functionality
- Add more color options (yellow, white)
- Implement reliable save/load feature
- Add help documentation and instructions
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- Improve line smoothness
- Add more pen styles and brushes
- Support offline functionality
- Add back button for navigation
- Portrait orientation support
Calvance Calculator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Draw
- Small DrawPoint$0.99
- Upgrade$1.99
- Big DrawPoint$2.99
Calvance Calculator
- Monthly Premium$2.991 Month
- Yearly Premium7 Days trial$29.991 Year









