Binary Clock Widget vs Kalendio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Binary Clock Widget
Displays the current time using the binary numeral system. Offers customizable display options including 24/12 hour formats and AM/PM indicators. This widget is designed for users interested in a unique, code-inspired timekeeping experience.
- Widget functionality
- Binary time display
- 24/12 hour format
- AM/PM indicator
- 7 style options
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Binary clock is a clock that tells time in the base 2 numeral system, the native coding for nerds. Features: ◆ widget ◆ 24/12 hour format ◆ am/pm indicator ◆ 7 styles
Kalendio
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Kalendio - Your Complete Calendar & Time Toolkit Kalendio is the ultimate calendar companion that combines powerful date conversion, age calculations, and handy time tools in one simple app. CALENDAR CONVERTER • Convert between 10+ calendar systems • Gregorian, Chinese, Japanese, Thai, Hebrew, Islamic, Persian, Indian, Mayan, Ethiopian, Icelandic • Chinese Solar Term (二十四节气) HOLIDAYS & CELEBRATIONS • International holidays and special days • National days from 195+ countries worldwide • Cultural and religious celebrations YOUR AGE INSIGHTS • Detailed age calculations • Generation classification • Western Zodiac with ruling planet • Chinese Zodiac with lucky colors • Birth stone and Celtic tree • Moon phase and birth moon name • Chinese Solar Term at birth • Day of week you were born • Biorhythm cycles PRACTICAL TOOLS • Countdown timer • Unit converter • BMI calculator • Dog Age calculator
Screenshots
Verdict
The clearest difference is update cadence: Kalendio at every 2 months against Binary Clock Widget's every 21 months. Binary Clock Widget's advantage is iOS requirement (11.0 vs 15.1). 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. Neither carries in-app purchases, so what you see is what you pay.
Binary Clock Widget ships an update every 21 months, Kalendio every 2 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.
| Parameter | Binary Clock Widget | Kalendio |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 21 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 9 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthias Schlemm | Daniel Hanberg Alonso |
In-app purchases
Binary Clock Widget
No in-app purchases
Kalendio
No in-app purchases
Questions
Is Binary Clock Widget free?
Is Kalendio free?
Do Binary Clock Widget or Kalendio have ads?
Which is updated more often, Binary Clock Widget or Kalendio?
Other comparisons
