# iMars PhoneExpert vs Octopus BMS Link

The clearest difference is update cadence: iMars PhoneExpert at weekly against Octopus BMS Link's every 3 months. iMars PhoneExpert also leads on iOS requirement (8.1 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iMars PhoneExpert ships an update weekly, Octopus BMS Link every 3 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | iMars PhoneExpert | Octopus BMS Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/octopus-bms-link/id6756600102/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free | Free |
| Size | 15 MB | 31 MB |
| Requires iOS | **8.1** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市英威腾电气股份有限公司](https://appshunter.io/developer/1012943436) | [Shanghai Xinzhiheng Electronic Technology Co., Ltd.](https://appshunter.io/developer/1745374020) |

## What reviewers say

### iMars PhoneExpert

[App page](https://appshunter.io/ios/app/imars-phoneexpert/id986221059)

This utility app utilizes mobile internet technology for monitoring purposes on iOS devices. It provides essential monitoring functionalities for users.

**Highlights:** Mobile Internet Technology Based, Monitoring Software, iOS Device Support

**Features:** macOS Compatibility

**In-app purchases:** none


### Octopus BMS Link

[App page](https://appshunter.io/ios/app/octopus-bms-link/id6756600102)

Monitor and manage your battery systems remotely via Bluetooth or WiFi. Get real-time data, smart alerts, and optimize energy usage for various applications like home storage and electric vehicles.

**Highlights:** Dual-mode Bluetooth and WiFi connectivity, Real-time battery data monitoring, Smart alerts and safety protection, Centralized multi-device management, Data analysis and reporting, Remote control and settings adjustment

**In-app purchases:** none


## Frequently asked questions

### Is iMars PhoneExpert free?

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

### Is Octopus BMS Link free?

Octopus BMS Link is free to download, with no in-app purchases.

### Do iMars PhoneExpert or Octopus BMS Link have ads?

Neither iMars PhoneExpert nor Octopus BMS Link shows ads.

### Which is updated more often, iMars PhoneExpert or Octopus BMS Link?

iMars PhoneExpert ships an update weekly, and Octopus BMS Link every 3 months. Most recently, iMars PhoneExpert was updated on October 24, 2026 and Octopus BMS Link on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*