# Basic Calculations — Calculation. No advertising.

> Calculation. No advertising. (iPhone/iPad app by 涛 吴.)

- Source: https://appshunter.io/ios/app/basic-calculations/id1499197099 (this page in markdown: same URL + `.md`)
- Developer: [涛 吴](https://appshunter.io/developer/1499197098)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 12.0 · 26 MB
- Languages: English, French, German, Italian, Japanese, Russian, Chinese, Chinese
- Released: 2020-02-28
- Data updated: 2026-05-14
- User reviews in markdown: https://appshunter.io/ios/app/basic-calculations/id1499197099/reviews.md

## What is Basic Calculations?

This is an app to improve the calculation ability of addition, subtraction, multiplication and division.

Major function:
1. Addition, subtraction, multiplication and division - step up of difficulty
2. Offline printing - mix and match
3. Online practice - flexible use
4. Calculation results - chart statistical analysis

This app can be used offline and is suitable for iPhone and iPad. When connected to the Internet, data can be synchronized between iPhone and iPad.

With Apple's cloudkit service, you don't need to enter your user name, password, mobile phone verification code, etc. to protect your privacy.

It can also scan A4 documents and export PDF; it can also scan ID cards and other documents to export PDF.

Using Apple's latest swift programming language and Apple's own camera capture technology, the automatic recognition rate of ID size is improved.

[unsubscribe automatically]
If you purchase a continuous package year (month) item, unless you cancel the order at least 24 hours before the end of the current billing cycle, the item will be automatically renewed, and your account will charge a renewal fee within 24 hours before the end of the current billing cycle. You unsubscribe: "Settings" - "iTunes Store and app store" - "select Apple ID" - "view Apple ID" - "subscribe" - "unsubscribe"

【Privacy policy】
https://www.jianshu.com/p/7a76a010e3b9

【Terms of Use】
https://www.jianshu.com/p/ce6ea1a69bc5

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Scan all functions: 1 month | $0.99 | per month |
| Scan all functions: 6 months | $1.99 | per 6 months |
| Scan all functions: 1 year | $2.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Full calc | Free | one-time |
| Scan full version | $4.99 | one-time |



## Version history (last 5 releases)

### 6.0.0 — 2025-02-13

Meet Apple's new regulations: support for SHA-256 algorithm for verification of in app purchases and recovery of in app purchases.
For users who are willing to make in app purchases or need to restore in app purchases, please use this version.

### 5.1.6 — 2022-11-07

Fixed the problem of misplacement in iOS16 after generating the topic.

### 5.1.5 — 2022-07-06

Fix the problem that the button does not display: in some background colors, the "return to home" and "remove watermark" buttons under the scanning function do not display.

### 5.1.4 — 2022-05-11

In the setting (click the gear), update the interesting function: randomly change the app style.

### 5.1.3 — 2022-02-21

In settings (Click on the gear） Add interesting function: randomly change the app style.

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## More apps by 涛 吴

- [Puppy Scanner](https://appshunter.io/ios/app/puppy-scanner/id1559487599)
- [InnerPeace-The book of answers](https://appshunter.io/ios/app/innerpeace-the-book-of-answers/id6762326557)

All apps by 涛 吴: https://appshunter.io/developer/1499197098

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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 2026-05-14.*