# e施工 vs Basic Calculations

The clearest difference is in-app purchases: e施工 at none against Basic Calculations's 5. Basic Calculations's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Basic Calculations sells 5 in-app purchases, starting at $0.99 per month. e施工 asks for nothing beyond the download.

e施工 ships an update every 2 months, Basic Calculations every 3 weeks. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | e施工 | Basic Calculations |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 22 MB | 26 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chong Qing Shu Qing Co., Ltd.](https://appshunter.io/developer/1040762005) | [涛 吴](https://appshunter.io/developer/1499197098) |

## What reviewers say

### e施工

[App page](https://appshunter.io/ios/app/e/id1040762006)

**Features:** macOS Compatibility

**In-app purchases:** none


### Basic Calculations

[App page](https://appshunter.io/ios/app/basic-calculations/id1499197099)

**Features:** Family Sharing

**In-app purchases (5)**

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


## Frequently asked questions

### Is e施工 free?

e施工 is free to download, with no in-app purchases.

### Is Basic Calculations free?

Basic Calculations is free to download, with in-app purchases available.

### Do e施工 or Basic Calculations have ads?

Neither e施工 nor Basic Calculations shows ads.

### Which is updated more often, e施工 or Basic Calculations?

e施工 ships an update every 2 months, and Basic Calculations every 3 weeks. Most recently, e施工 was updated on October 4, 2026 and Basic Calculations on October 8, 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.*