# Building Performance Manager vs Chat AI Plus

The clearest difference is in-app purchases: Building Performance Manager at none against Chat AI Plus's 15. Chat AI Plus's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Chat AI Plus sells 15 in-app purchases, starting at $1.99 per 7 days. Building Performance Manager asks for nothing beyond the download.

Building Performance Manager ships an update every 3 months, Chat AI Plus every 3 weeks. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Building Performance Manager | Chat AI Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (1.7K ratings)](https://appshunter.io/ios/app/chat-ai-plus/id6447444893/reviews)** |
| Number of ratings | — | **1.7K** |
| Positive reviews | — | 54.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 54 MB | 171 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Efficiency Matrix](https://appshunter.io/developer/1282284168) | [Elisaveta Kalmikova](https://appshunter.io/developer/1702744064) |

## What reviewers say

### Building Performance Manager

[App page](https://appshunter.io/ios/app/building-performance-manager/id1462705717)

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

**In-app purchases:** none


### Chat AI Plus

[App page](https://appshunter.io/ios/app/chat-ai-plus/id6447444893)

This app offers advanced AI-powered chat capabilities, leveraging cutting-edge models for insightful responses. It assists with tasks like document analysis, image generation, and voice-to-text conversion, simplifying daily life and boosting productivity.

**Highlights:** Advanced AI chat powered by GPT models, AI-powered document analysis and summarization, AI image generation from text descriptions, Voice-to-text conversion, AI Scanner for problem-solving, YouTube and web content summarization, Automatic chat saving

**Features:** Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chat AI Plus - AI Writer | $1.99 | per 7 days |
| Chat AI PLus - Ask Chat | $2.99 | per 7 days |
| AI bot: genius helper + assist | $3.99 | per 7 days |
| Chat AI Assistant PLUS Weekly | $4.99 | per 7 days |
| Chat AI Plus Weekly Pro | $5.99 | per 7 days |
| Chat AI PLus - Ask Anything | $6.99 | per 7 days |
| Chat AI Plus - AI Assistant | $29.99 | per year |
| Chat AI Assistant | $34.99 | per year |
| Chat AI Plus Annual Pro | $39.99 | per year |
| Chat AI Plus - AI Assistant | $49.99 | per year |
| Chat AI Assistant Premium Yearly | $49.99 | per year |
| PRO Plan Chat AI | $49.99 | per year |
| Chat AI Plus - AI Writer | $49.99 | per year |
| Chat Ai Plus - AI Helper | $59.99 | per year |
| Chat AI Plus - Essay Writer | $59.99 | per year |


## Frequently asked questions

### Is Building Performance Manager free?

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

### Is Chat AI Plus free?

Chat AI Plus is free to download, with in-app purchases available.

### Do Building Performance Manager or Chat AI Plus have ads?

Neither Building Performance Manager nor Chat AI Plus shows ads.

### Which is updated more often, Building Performance Manager or Chat AI Plus?

Building Performance Manager ships an update every 3 months, and Chat AI Plus every 3 weeks. Most recently, Building Performance Manager was updated on October 6, 2026 and Chat AI Plus on October 16, 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.*