# iCDrain vs Construction Calculator °

The clearest difference is in-app purchases: iCDrain at none against Construction Calculator °'s 2. iCDrain also leads on update cadence (monthly vs every 5 months) and iOS requirement (9.3 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Construction Calculator ° sells 2 in-app purchases, starting at $0.99 per month. iCDrain asks for nothing beyond the download.

iCDrain ships an update monthly, Construction Calculator ° every 5 months. The most recent releases landed on October 18, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | iCDrain | Construction Calculator ° |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Size | 1 MB | 2 MB |
| Requires iOS | **9.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Streaming Networks Inc.](https://appshunter.io/developer/1138421476) | [Nikhil Kumar](https://appshunter.io/developer/1783391273) |

## What reviewers say

### iCDrain

[App page](https://appshunter.io/ios/app/icdrain/id1138421477)

**In-app purchases:** none


### Construction Calculator °

[App page](https://appshunter.io/ios/app/construction-calculator/id6747843052)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Construction Calculator Pro | $0.99 | per month |
| Construction Calculator Pro | $9.99 | per year |


## Frequently asked questions

### Is iCDrain free?

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

### Is Construction Calculator ° free?

Construction Calculator ° is free to download, with in-app purchases available.

### Do iCDrain or Construction Calculator ° have ads?

Neither iCDrain nor Construction Calculator ° shows ads.

### Which is updated more often, iCDrain or Construction Calculator °?

iCDrain ships an update monthly, and Construction Calculator ° every 5 months. Most recently, iCDrain was updated on October 18, 2026 and Construction Calculator ° on September 28, 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.*