BasicCalc vs VitalDecode
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BasicCalc
This app offers both basic and advanced scientific calculation modes with a clean interface and large buttons. It features a persistent history of your last 30 operations and works offline on your iPhone or iPad.
- Basic and Scientific calculation modes
- Large, easy-to-tap buttons
- Persistent calculation history (last 30 ops)
- Works offline
- Dark theme option
- Supports iPhone and iPad
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*** #1 App Calculator in 10 countries! *** No ads or Purchases, just Math! *** BIG Buttons! *** Basic and Simple! ----------------------------------------------------- BasicCalc is the calculator that adapts to you. Start in Basic mode for everyday math, then switch to Scientific mode when you need more power — all in one tap. BASIC MODE • Clean, distraction-free calculator for daily use • Large buttons designed for easy tapping • Left-to-right calculation — what you see is what you get SCIENTIFIC MODE • Full scientific calculator with proper operator precedence • Trigonometric functions: sin, cos, tan, asin, acos, atan • Logarithms: ln, log • Powers and roots: x², x³, √, ∛, ^ • Constants: π, e, random number generator • Parentheses for complex expressions • Degree/Radian toggle • 2nd button doubles available functions SMART FEATURES • Persistent calculation history — review your last 30 operations • Works on both iPhone and iPad • Dark theme — easy on your eyes • No account needed, no internet required Download BasicCalc — the only calculator you need.
VitalDecode
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VitalDecode is a document scanner and data extraction tool that reads tables and structured data from any document. Using on-device OCR, it automatically recognizes field names, values, and units — then organizes everything in a clean, easy-to-read format. HOW IT WORKS • Scan: Take a photo or upload a PDF of any document with tables or data • Extract: VitalDecode uses on-device OCR to recognize field names, values, and units • View: See all your extracted data in a clean, organized list • Track: View trends across multiple documents over time DATA EXTRACTION FEATURES • On-device OCR — no internet required for scanning • Automatic field name, value, and unit recognition • Clean data table view of all extracted information • Trend charts to track how values change over time • Export to CSV for use in spreadsheets • Manual entry for documents that can't be scanned YOUR DATA STAYS PRIVATE • All OCR processing happens on your device • No account required • Your data is never uploaded to any server • Works completely offline SUPPORTED DOCUMENTS VitalDecode can extract data from any document with structured text, including financial statements, specification sheets, technical reports, and more. The app recognizes common field names and units automatically.
Screenshots
Verdict
The clearest difference is in-app purchases: BasicCalc at none against VitalDecode's 3. BasicCalc also leads on iOS requirement (15.6 vs 17). On price, 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
Both are free to download. VitalDecode sells 3 in-app purchases, starting at $4.99 per month. BasicCalc asks for nothing beyond the download.
| Parameter | BasicCalc | VitalDecode |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 17 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17 |
| Further details — not scored | ||
| Size | 11 MB | 2 MB |
| Age rating | 4+ | 9+ |
| Developer | Rodrigo Belloso | 贺 周 |
In-app purchases
BasicCalc
No in-app purchases
VitalDecode
- VitalDecode Pro Monthly$4.991 Month
- VitalDecode Pro Yearly$29.991 Year
- VitalDecode Lifetime$79.99









