# Smart Instant Calculator — Designed for Ease of Use

> Designed for Ease of Use (iPhone/iPad app by Ichi Hosotsuji.)

- Source: https://appshunter.io/ios/app/smart-instant-calculator/id6749926057 (this page in markdown: same URL + `.md`)
- Developer: [Ichi Hosotsuji](https://appshunter.io/developer/1808829369)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 18.0 · 8 MB
- Languages: American English, Japanese
- Released: 2025-08-26
- Data updated: 2026-06-05
- User reviews in markdown: https://appshunter.io/ios/app/smart-instant-calculator/id6749926057/reviews.md

## What is Smart Instant Calculator?

◇Why Smart Calculator?◇
・Real-time results: No “=” required—answers appear as you type.
・Widget-first: Do the math right on the Home Screen, then hand off values to the app.
・Keep & Drop: Ditch confusing M+/M−. Save a value with Keep, remove it with Drop—simple and intuitive.
・Only the essentials: All the everyday functions you actually use.
・Designed for comfort: Clean UI and eye-friendly colors for long sessions.
・Completely free: Every feature, no paywall.

◇Recommended For◇
・You want a clean, straightforward calculator
・The default calculator feels limited
・You prefer instant results and minimal taps
・Opening an app for every quick calc is a hassle


## Version history (last 3 releases)

### 1.1.1 — 2025-11-27

- Added an "=" button, which allows you to replace an expression with the current calculation result.
- Fixed an issue that caused alignment to be distorted on certain devices.

### 1.1 — 2025-11-25

We improved app performance!

### 1.0 — 2025-08-27

No release notes.

## More apps by Ichi Hosotsuji

- [MemPie AI](https://appshunter.io/ios/app/mempie-ai/id6744670157)
- [いまやる！ワンタップ家計簿](https://appshunter.io/ios/app/id6747251889)
- [AI占い 2026 - 当たる性格・相性診断](https://appshunter.io/ios/app/ai-2026/id6749230084)

All apps by Ichi Hosotsuji: https://appshunter.io/developer/1808829369

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*