Base PRO vs Universal Calendar Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Base PRO
This app simplifies base conversions from Base 2 to Base 20 with precision and clarity. It offers interactive visual explanations of number systems, making it ideal for students and educators learning computer science and digital computation.
- Base conversions (2-20)
- Precision and clarity
- Visual Flow Function
- Interactive learning
- Full-screen mode
- Adjustable sizing
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Master base conversions effortlessly and deepen your understanding of computer science. Simplify complex calculations with this comprehensive base calculator — from Base 2 to Base 20 — designed for precision, clarity, and speed. Ideal for students, teachers, and anyone exploring the logic of number systems or digital computation. As an educator, I’ve used Base PRO on a large screen to demonstrate base concepts interactively. Students immediately grasped how each system connects, accelerating their comprehension of mathematical and computational relationships. Perfect for classrooms and study sessions alike, Base PRO supports full-screen mode and adjustable sizing in macOS , and a unique Flow Function that visually explains the logic behind base conversions — making learning both intuitive and engaging.
Universal Calendar Converter
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Compare dates across two different calendar systems with clarity and precision. This app lets you display the same date simultaneously in two calendars, making it easy to understand differences between calendar systems and cultural date representations. ●Key Features ・Display the same date in two different calendar systems ・Select the calendar type independently for each row ・Choose the display language for each calendar ・Clean, vertical scrolling calendar-style interface ・Designed for accuracy, clarity, and ease of use ●Supported Calendars ・Buddhist Calendar ・Chinese Calendar ・Coptic Calendar ・Ethiopic Calendar (Amete Alem / Amete Mihret) ・Gregorian Calendar ・Hebrew Calendar ・Indian National Calendar ・Islamic Calendar (Standard / Civil / Tabular / Umm al-Qura) ・ISO 8601 Calendar ・Japanese Calendar ・Persian Calendar ・Republic of China Calendar ・Bangla Calendar ・Gujarati Calendar ・Kannada Calendar ・Malayalam Calendar ・Marathi Calendar ・Odia Calendar ・Tamil Calendar ・Telugu Calendar ・Vikram Samvat Calendar ・Dangi Calendar ・Vietnamese Calendar ●Supported Languages ・Thai ・Chinese ・Arabic ・Amharic ・English ・Hebrew ・Hindi ・Japanese ・Persian ・Bangla ・Gujarati ・Kannada ・Malayalam ・Marathi ・Odia ・Tamil ・Telugu ・Korean ・Vietnamese This app is ideal for: ・Comparing dates across cultures ・Studying and understanding different calendar systems ・Working with international or historical dates
Screenshots
Verdict
The clearest difference is ads: Base PRO at none against Universal Calendar Converter's shown. Base PRO also leads on device support (4 vs 1) and iOS requirement (12 vs 17.0). On price 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Base PRO | Universal Calendar Converter |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 4 months | — |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone |
| Requires iOS | 12 — better | 17.0 |
| Further details — not scored | ||
| Size | 9 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Nic Kolbe | manabu ueda |
In-app purchases
Base PRO
No in-app purchases
Universal Calendar Converter
No in-app purchases
Questions
Is Base PRO free?
Is Universal Calendar Converter free?
Do Base PRO or Universal Calendar Converter have ads?
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