# Calculatir - Calculator — Basic, Scientific, Plus Calc

> Basic, Scientific, Plus Calc (iPhone/iPad app by 圣财 卢.)

- Source: https://appshunter.io/ios/app/calculatir-calculator/id6758322823 (this page in markdown: same URL + `.md`)
- Developer: [圣财 卢](https://appshunter.io/developer/1803211672)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.0 · 4 MB
- Languages: English, Chinese
- Released: 2026-03-31
- Data updated: 2026-06-16
- User reviews in markdown: https://appshunter.io/ios/app/calculatir-calculator/id6758322823/reviews.md

## What is Calculatir?

【计算助手（Calculator Assistant）】 is a high-precision, feature-rich iOS-inspired calculator designed for everyday and advanced mathematical tasks.

**Standard Mode**
The basic calculator interface handles addition, subtraction, multiplication, and division with intuitive controls and clear display of calculations in progress.

**Scientific Mode**
Expanded functionality includes trigonometric functions, logarithms, exponents, roots, and other advanced operations for students, engineers, and professionals.

**Bill Splitting**
Quickly divide expenses among multiple people by entering the total amount and number of participants, displaying each person's share instantly.

**History and Recall**
All calculations are automatically saved and can be reviewed, copied, or reused in new computations, ensuring important results are never lost.

Calculator Assistant provides a reliable calculation experience with precision and convenience for users across various needs.

Premium Account Pricing and Terms

$ 4.99/week*

$ 39.99/year*

*Prices shown are in U.S. dollars; actual charges may be converted to your local currency.

Payment will be charged to your iTunes account at confirmation of purchase.

Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period.

Your account will be charged for renewal within 24 hours prior to the end of the current period, and the renewal cost will be provided. Subscriptions can be managed by the user. Turning off auto-renewal may be done by going to your account settings after purchase.

Cancellation of the current subscription is not allowed during the active subscription period.

Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication.

EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://luscweb.xyz/jisuanzhushou/privacy.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Yearly Premium | $39.99 | per year |
| Weekly Premium | $4.99 | per 7 days |



## Version history (last 2 releases)

### 1.0.1 — 2026-04-08

Fix bugs.

### 1.0.0 — 2026-03-31

No release notes.

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All apps by 圣财 卢: https://appshunter.io/developer/1803211672

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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 2026-06-16.*