Smart Calculator Pro vs ShotMark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Calculator Pro
This all-in-one calculator offers basic, scientific, and fraction calculations, along with unit conversion and financial tools. It features an editable input, a widget, and a keyboard extension for convenient use on iPhones and iPads. Track health metrics and convert numbers to words with this comprehensive utility.
- Basic and scientific calculations
- Fraction and editable input
- Unit and currency converter
- BMI, date, and loan calculators
- Number to words conversion
- Hexadecimal converter
- Calculator widget and keyboard
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No Ads, All-in-one Calculator with voice, history for the iPhone and iPad. ◉ Advanced & Smart Calculator+ ▸ Basic Calculator (+, -, x, ÷, %, (), ...) ▸ Scientific Calculator (e, pi, π, x!, ^, √, Ln, log, trig, …) ▸ Editable Input (Tap to modify, backspace & update results instantly) ▸ Calculator Widget (for iOS 17.0+) ▸ Calculator Keyboard ◉ Fraction Calculator: ▸ You can calculate addition, subtraction, multiplication, and division of fractions. ▸ You can also perform calculations between decimals and fractions, Quickly and easily check children's fraction math problems. ◉ Unit Converter ▸ Supports length, area, volume, speed, pressure, power, weight, temperature, energy, time, angle, density, force, torque, and the data capacity. ◉ BMI Calculator: ▸ Measure the body mass index (BMI), the basal metabolic rate (BMR), and body fat percentage (BFP). ▸ Save the BMI、BMR、BFP indicators as notes to keep track of your health status at any time. ◉ Date Calculator: ▸ Flexibly calculate the interval of a specific date or anniversary with accuracy to the month, week, day, hour, minute, and second. - Help kids quickly check math homework for time calculations. ◉ Percentage Calculator: ▸ You can easily calculate the percentage increase or decrease between numbers. ▸ You can also calculate what percentage one number is of another. ◉ Currency Converter ▸ You can calculate currency exchange rate conversions, including dollar, euro, yen, yuan, etc. ◉ Loan Calculator ▸ Calculate total interest, total payment based on loan principal and interest rate. ▸ Share the result to you friends or relatives. ◉ Savings Calculator: ▸ Enter the deposit amount, interest rate and term and interest and final savings balance will be calculated. ◉ Numbers to words ▸ Convert numbers to words for writing checks and legal documents. ◉ Hexadecimal Converter: ▸ Enter a value, and generate a value which converted between binary, octal, decimal, and hexadecimal. ◉ OTHER FEATURES: ▸ Keyboard vibration & Sound. ▸ Thousands separator. ▸ Multiple skin themes. ▸ Support Multitasking (iPad). More features are being developed~ Please Come to download, just enjoy it ^_^ Disclaimer: The developer of this application makes no warranties regarding the accuracy, reliability, or suitability of any calculation results or information provided by this application. The developer shall not be liable for any loss, whether direct or indirect, arising from the use of any calculation results or information provided by this application. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula.
ShotMark
Organize your screenshots into searchable notes and folders. Quickly find important information without endless scrolling. Export your organized content as clean shareable images.
- Save screenshots with notes
- Organize into folders
- OCR text detection
- Instant search
- Clean export to images
- iCloud sync
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Save the screenshot. Keep the reason. ShotMark keeps screenshots and their context together. Save ideas, receipts, conversations and references as cards, add notes, and find them again without searching through your photo library. KEEP THE CONTEXT Add notes, voice notes and reminders to screenshot cards. Keep related screenshots together in one card. ORGANISE YOUR LIBRARY Browse in Grid or List, pin important cards, and group screenshots into Collections. Archive cards without deleting their content, then restore them when you need them. Select several cards to move, pin, archive or delete them together. With Pro, use Projects to organise Collections and individual cards. FIND WHAT YOU SAVED Search titles, notes and tags. Detect and copy text from screenshots, with OCR search available in Pro. SHARE AND SYNC Export cards as images to share. Pro adds watermark-free export and optional iCloud sync across your Apple devices. Pro access is required on each platform used for sync. MAKE IT YOURS Choose Light, Dark or System appearance. Available in English, German, Spanish, French, Italian, Japanese, Portuguese (Portugal), Simplified Chinese and Traditional Chinese. START FREE, UPGRADE WHEN YOU NEED MORE Save up to 12 cards free on iPhone and iPad. Archived cards count toward this limit. Pinning, archiving, multi-select and Collection moves are included free. Pro adds unlimited saved cards, Project organisation, OCR search, iCloud sync and watermark-free export. PRO THAT FITS YOUR DEVICES Choose iPhone & iPad Pro, Mac Pro, or All Platforms Pro covering iPhone, iPad and Mac. Eligible existing Pro owners can add the other platform with an owner discount through the App Store. Each option is a one-time purchase, with no subscription. Prices are shown in your local App Store currency. No ShotMark account is required.
Screenshots
Verdict
The clearest difference is price: ShotMark at Free against Smart Calculator Pro's $7.99. ShotMark also leads on update cadence (every 3 weeks vs every 2 months) and ratings volume (7 vs 2). Smart Calculator Pro's advantage is in-app purchases (none vs 3) and rating (5.0 vs 4.7). On ads 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
ShotMark is free to download; Smart Calculator Pro costs $7.99 up front. ShotMark sells 3 one-off in-app purchases. Smart Calculator Pro asks for nothing beyond the download.
Smart Calculator Pro holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 2 and 7 respectively.
Smart Calculator Pro ships an update every 2 months, ShotMark every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Smart Calculator Pro | ShotMark |
|---|---|---|
| Price | $7.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | 4.7 (7 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 7 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 14.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 14 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | 晖明 甘 | Zhen Chyi Lee |
Customer experience
Smart Calculator Pro
ShotMark
In-app purchases
Smart Calculator Pro
No in-app purchases
ShotMark
- Unlock Pro$2.99
- ShotMark Mac Unlocked$5.99
- ShotMark Pro — All Platforms$6.99
Questions
Is Smart Calculator Pro free?
Is ShotMark free?
Which has better reviews, Smart Calculator Pro or ShotMark?
Do Smart Calculator Pro or ShotMark have ads?
Which is updated more often, Smart Calculator Pro or ShotMark?
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