# 1Calc: One Calculator — Calculator + History, No Ads

> Calculator + History, No Ads (iPhone/iPad app by Asim Roy.)

- Source: https://appshunter.io/ios/app/1calc-one-calculator/id6502853473 (this page in markdown: same URL + `.md`)
- Developer: [Asim Roy](https://appshunter.io/developer/1703408134)
- Category: Productivity, Finance
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.0 · 6 MB
- Languages: American English
- Released: 2024-05-22
- Data updated: 2026-08-23
- User reviews in markdown: https://appshunter.io/ios/app/1calc-one-calculator/id6502853473/reviews.md

## What is 1Calc?

- Very simple but highly efficient

- History functionality, view your past calculations

- Lots of theme to match your personality 

- No Ads for premium user experience

- Updated business logic for percentage (%) calculation

- Percentage Calculation now comply with google web calculator

- Smart and modern design style

- 1Calc is a pro grade calculator plus lots of functionality.


Privacy Policy: 
https://izen.fun/apps/app_data_privacy_policy.html

Terms of Service:
https://izen.fun/apps/app_data_terms_of_service.html

If you need any help, please contact us asimoxo@outlook.com

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $3.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime | $8.99 | one-time |



## Version history (last 5 releases)

### 3.0 — 2026-08-20

Do calculation easily

### 2.81 — 2025-09-28

Performance Improvement

### 2.71 — 2025-08-20

Performance Improvement

### 2.61 — 2025-08-14

Performance Improvement

### 2.51 — 2025-05-08

- Updated business logic for percentage (%) calculation
- Percentage Calculation now comply with google web calculator

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## More apps by Asim Roy

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- [Bangla Calendar 2026 India](https://appshunter.io/ios/app/bangla-calendar-2026-india/id6751398973)
- [OneCut : Easy Video Maker](https://appshunter.io/ios/app/onecut-easy-video-maker/id6756773220)

All apps by Asim Roy: https://appshunter.io/developer/1703408134

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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 2026-08-23.*