# B vs OpenClient

The clearest difference is review sentiment: OpenClient at 100% against B's 0%. OpenClient also leads on update cadence (every 4 days vs every 14 months). B's advantage is in-app purchases (none vs 5) and iOS requirement (8.0 vs 26.6). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. OpenClient sells 5 in-app purchases, starting at $2.99 per month. B asks for nothing beyond the download.

B ships an update every 14 months, OpenClient every 4 days. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | B | OpenClient |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (8 ratings)](https://appshunter.io/ios/app/openclient-private-ai-chat/id6761379499/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 10 MB | 244 MB |
| Requires iOS | **8.0** | 26.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [TQ-Systems GmbH](https://appshunter.io/developer/880072606) | [Arturo Carretero Calvo](https://appshunter.io/developer/1004967520) |

## What reviewers say

### B

[App page](https://appshunter.io/ios/app/b-control-energy-manager/id888211362)

Monitor your home's real-time energy consumption and costs with this app. Track individual appliance usage, manage budgets, and optimize self-produced energy to reduce electricity bills and dependency on market prices.

**Highlights:** Real-time consumption display, Appliance cost tracking, Monthly budget calculator, Historical consumption diagrams, Self-produced energy optimization, Individual circuit monitoring

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

**In-app purchases:** none


### OpenClient

[App page](https://appshunter.io/ios/app/openclient-private-ai-chat/id6761379499)

Connect to your self-hosted AI models for private conversations without subscriptions. Supports multimodal input, real-time streaming, and extensive model compatibility. Offers robust conversation management and personalization features.

**Highlights:** Connect to self-hosted LLMs, Real-time streaming responses, Multimodal input (photos, PDFs), Conversation history and branching, Prompt templates and memory, iCloud sync, Export conversations to JSON

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Support | $2.99 | per month |
| Annual Support | $8.99 | per year |
| Small Coffee | $2.99 | one-time |
| Medium Coffee | $3.99 | one-time |
| Big Coffee | $8.99 | one-time |


## Frequently asked questions

### Is B free?

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

### Is OpenClient free?

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

### Do B or OpenClient have ads?

Neither B nor OpenClient shows ads.

### Which is updated more often, B or OpenClient?

B ships an update every 14 months, and OpenClient every 4 days. Most recently, B was updated on October 10, 2026 and OpenClient on October 25, 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.*