# Bluetooth Control Assistant vs SIPHER

The clearest difference is in-app purchases: Bluetooth Control Assistant at none against SIPHER's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SIPHER sells 5 in-app purchases, starting at $5.99 per 7 days. Bluetooth Control Assistant asks for nothing beyond the download.

Bluetooth Control Assistant ships an update every 3 weeks, SIPHER every 2 weeks. The most recent releases landed on September 26, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Bluetooth Control Assistant | SIPHER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sipher-invisible-messages/id6779144914/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 38 MB | 89 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [深圳市领虎智联科技有限公司](https://appshunter.io/developer/1484444234) | [YM Labs (FZC)](https://appshunter.io/developer/6778821381) |

## What reviewers say

### Bluetooth Control Assistant

[App page](https://appshunter.io/ios/app/bluetooth-control-assistant/id6639613735)

**Features:** macOS Compatibility

**In-app purchases:** none


### SIPHER

[App page](https://appshunter.io/ios/app/sipher-invisible-messages/id6779144914)

This app allows you to create discreet conversations that appear normal on the surface, protecting your private messages. It generates realistic chat threads from a customizable keyboard, ensuring your privacy is maintained even when others are looking.

**Highlights:** Create cover conversations, Generate realistic chat threads, Discreet messaging from keyboard, Customizable cover topics, Privacy protection, Pro subscription for enhanced features

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sipher Weekly | $5.99 | per 7 days |
| Sipher Premium Weekly | $6.99 | per 7 days |
| Sipher Yearly Offer | $49.99 | per year |
| Sipher Premium Yearly | $69.99 | per year |
| Sipher Yearly | $99.99 | per year |


## Frequently asked questions

### Is Bluetooth Control Assistant free?

Bluetooth Control Assistant is free to download, with no in-app purchases.

### Is SIPHER free?

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

### Do Bluetooth Control Assistant or SIPHER have ads?

Neither Bluetooth Control Assistant nor SIPHER shows ads.

### Which is updated more often, Bluetooth Control Assistant or SIPHER?

Bluetooth Control Assistant ships an update every 3 weeks, and SIPHER every 2 weeks. Most recently, Bluetooth Control Assistant was updated on September 26, 2026 and SIPHER on October 10, 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.*