# HaiDi Pro vs Arizon Off Grid

The clearest difference is update cadence: Arizon Off Grid at every 4 weeks against HaiDi Pro's every 2 months. HaiDi Pro's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

HaiDi Pro ships an update every 2 months, Arizon Off Grid every 4 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HaiDi Pro | Arizon Off Grid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/haidi-pro/id6443414754/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 122 MB | 81 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Haidi Energy Tehcnogy Co., Ltd](https://appshunter.io/developer/1645467042) | [Arizon Off Grid](https://appshunter.io/developer/1838872178) |

## What reviewers say

### HaiDi Pro

[App page](https://appshunter.io/ios/app/haidi-pro/id6443414754)

Monitor and manage your lithium battery packs via Bluetooth. View detailed status information, set protection parameters, and receive real-time alerts for abnormalities. Access historical alarm records for troubleshooting.

**Highlights:** Connect via Bluetooth, Read battery pack status, View voltage, current, temperature, Set protection parameters, Receive abnormality alarms, Historical alarm records

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

**In-app purchases:** none


### Arizon Off Grid

[App page](https://appshunter.io/ios/app/arizon-off-grid/id6752319619)

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

**In-app purchases:** none


## Frequently asked questions

### Is HaiDi Pro free?

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

### Is Arizon Off Grid free?

Arizon Off Grid is free to download, with no in-app purchases.

### Do HaiDi Pro or Arizon Off Grid have ads?

Neither HaiDi Pro nor Arizon Off Grid shows ads.

### Which is updated more often, HaiDi Pro or Arizon Off Grid?

HaiDi Pro ships an update every 2 months, and Arizon Off Grid every 4 weeks. Most recently, HaiDi Pro was updated on November 3, 2026 and Arizon Off Grid 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.*