# Ai vs Construction Calc

The clearest difference is in-app purchases: Ai at none against Construction Calc's 1. Ai also leads on iOS requirement (13 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Construction Calc sells 1 one-off in-app purchase. Ai asks for nothing beyond the download.

Ai ships an update every 5 weeks, Construction Calc every 2 months. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Ai | Construction Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 119 MB | 15 MB |
| Requires iOS | **13** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AISWEI Technology Co., Ltd](https://appshunter.io/developer/528213286) | [Alona Nesterenko](https://appshunter.io/developer/1890650834) |

## What reviewers say

### Ai

[App page](https://appshunter.io/ios/app/ai-solar/id1671930333)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Construction Calc

[App page](https://appshunter.io/ios/app/construction-calc-toolbox/id6792015651)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $7.99 | one-time |


## Frequently asked questions

### Is Ai free?

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

### Is Construction Calc free?

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

### Do Ai or Construction Calc have ads?

Neither Ai nor Construction Calc shows ads.

### Which is updated more often, Ai or Construction Calc?

Ai ships an update every 5 weeks, and Construction Calc every 2 months. Most recently, Ai was updated on October 9, 2026 and Construction Calc on October 11, 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.*