# Easy Input Calculator vs Sun Focus

The clearest difference is update cadence: Sun Focus at every 6 weeks against Easy Input Calculator's every 4 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.

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 4 months, Sun Focus every 6 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | Easy Input Calculator | Sun Focus |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 3 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuta Kobayashi](https://appshunter.io/developer/1169055350) | [Alventir Ltd](https://appshunter.io/developer/1527058758) |

## What reviewers say

### Easy Input Calculator

[App page](https://appshunter.io/ios/app/easy-input-calculator/id1169055351)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none


### Sun Focus

[App page](https://appshunter.io/ios/app/sun-focus/id1527058756)

Visualize the sun's path, sunrise, and sunset times for any location and date. Features augmented reality and interactive maps to help plan photography, estimate sun exposure, or learn about celestial events.

**Highlights:** Augmented reality (AR) sun path visualization, Interactive plot and map, Sunrise and sunset times, Save locations and configure widgets, Sun-aligned artifact and archaeoastronomical site list, Multi-window support for iPadOS

**In-app purchases:** none


## Frequently asked questions

### Is Easy Input Calculator free?

Easy Input Calculator costs $0.99, with no in-app purchases.

### Is Sun Focus free?

Sun Focus costs $1.99, with no in-app purchases.

### Do Easy Input Calculator or Sun Focus have ads?

Neither Easy Input Calculator nor Sun Focus shows ads.

### Which is updated more often, Easy Input Calculator or Sun Focus?

Easy Input Calculator ships an update every 4 months, and Sun Focus every 6 weeks. Most recently, Easy Input Calculator was updated on October 29, 2026 and Sun Focus on October 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*