Easy Input Calculator vs Sun Focus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Easy Input Calculator
This calculator app features a simple, user-friendly design with large buttons and characters for easy visibility. It includes special buttons for quickly inputting billions, millions, and thousands, streamlining complex calculations. The app is available in over 60 languages and allows users to copy results to the clipboard.
- Large, easy-to-see buttons
- Large characters for high visibility
- Billion, Million, Thousand input buttons
- Copy calculation results to clipboard
- Supports over 60 languages
- Basic calculator functions
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A calculator application with a simple design. Large buttons are easy to see and press. Large characters for high visibility and ease of use. Stress-free operation. Easy to use for everyone from children to seniors. Of particular note are the Billion, Million, and Thousand buttons. Using these buttons saves you the trouble of pushing 0 again and again, enabling quick input with a single touch. This makes it possible to rapidly enter the numbers that come into your head as if you were speaking. Of course, general calculator input methods are also possible. Functions ・Basic calculator functions. ・Buttons for Billion, Million, and Thousand that assist with input. ・Available in over 60 languages. ・Tap the calculation result display area to copy it to the clipboard.
Sun Focus
Visualize the sun's path, sunrise, and sunset times for any location and date. Utilize augmented reality and interactive maps to plan photography, assess sun exposure, or explore celestial phenomena.
- Augmented reality (AR) sun path visualization
- Interactive plot and map
- Sunrise and sunset time calculation
- Save and bookmark locations
- Customizable widgets
- Location lookup by coordinates or name
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Locate the sun wherever you are on Earth, anytime, by any weather. Find out what the sun path is any date, any location on Earth with an intuitive interface. Supports augmented reality (AR) and widgets. Use this app to: • plan your next sunset photo or sunrise photo; • find the time the sun illuminates a specific side of a building (for a photo shoot); • estimate sun exposure when looking for a new property; • which side of the hotel your room should be for your next holidays; • learn more about the sun path in the sky and seasons; • study archaeoastronomical sites and sun-aligned artefacts; • customise your iPhone or iPad screen with widgets. App features: • Augmented reality (AR); • interactive plot and map; • sunrise and sunset times; • Save locations for bookmark and to configure widgets; • summer solstice and winter solstice; • time zones and daylight saving time; • easy sharing: save and send the sun path plot and the map, along with essential information (sunrise, sunset, and link to map); • location lookup by coordinates, reverse geocoding, or name; • curated list of sun-aligned artefacts, archaeoastronomical sites; • multiple windows in iPadOS: view different sites at the same time. Interactive plot and map: • swipe up and down on the plot to change the time of day, or the date; • swipe on the map to change the coordinates; • tap on the date to change mode (date or time); • long press on date to input specific date or choose time zone. Note: Never look at the sun without proper protection.
Screenshots
Verdict
The clearest difference is update cadence: Sun Focus at every 4 weeks against Easy Input Calculator's every 5 months. Easy Input Calculator's advantage is price ($0.99 vs $1.99). On review sentiment, ads, in-app purchases and monetization model 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
Easy Input Calculator costs $0.99 and Sun Focus $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Easy Input Calculator ships an update every 5 months, Sun Focus every 4 weeks. The most recent releases landed on September 11, 2026 and September 21, 2026 respectively.
| Parameter | Easy Input Calculator | Sun Focus |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Update frequency | Every 5 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 16 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuta Kobayashi | Alventir Ltd |
Customer experience
Easy Input Calculator
Sun Focus
In-app purchases
Easy Input Calculator
No in-app purchases
Sun Focus
No in-app purchases
Questions
Is Easy Input Calculator free?
Is Sun Focus free?
Do Easy Input Calculator or Sun Focus have ads?
Which is updated more often, Easy Input Calculator or Sun Focus?
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