# Smart Building vs IdeaAI

The clearest difference is in-app purchases: Smart Building at none against IdeaAI's 3. IdeaAI's advantage is update cadence (every 5 days vs monthly) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. IdeaAI sells 3 in-app purchases, starting at $2.99 per 7 days. Smart Building asks for nothing beyond the download.

Smart Building ships an update monthly, IdeaAI every 5 days. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Smart Building | IdeaAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Size | 31 MB | 132 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [iShack Digital Consultancy](https://appshunter.io/developer/533255895) | [Digital Planet](https://appshunter.io/developer/1684662174) |

## What reviewers say

### Smart Building

[App page](https://appshunter.io/ios/app/smart-building/id1055565089)

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

**In-app purchases:** none


### IdeaAI

[App page](https://appshunter.io/ios/app/ideaai/id6450392000)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $2.99 | per 7 days |
| Month | $7.99 | per month |
| Year | $69.99 | per year |


## Frequently asked questions

### Is Smart Building free?

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

### Is IdeaAI free?

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

### Do Smart Building or IdeaAI have ads?

Neither Smart Building nor IdeaAI shows ads.

### Which is updated more often, Smart Building or IdeaAI?

Smart Building ships an update monthly, and IdeaAI every 5 days. Most recently, Smart Building was updated on September 10, 2026 and IdeaAI on September 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.*