# 黑鲨魔戒 vs MOBI DVR

The clearest difference is update cadence: 黑鲨魔戒 at monthly against MOBI DVR's every 2 months. MOBI DVR's advantage is iOS requirement (11.0 vs 13.0). 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.

黑鲨魔戒 ships an update monthly, MOBI DVR every 2 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 黑鲨魔戒 | MOBI DVR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | — | Free |
| Size | 131 MB | 31 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nanchang Blackshark Technologies Co., Ltd.](https://appshunter.io/developer/1358214067) | [隆彪 雷](https://appshunter.io/developer/981420461) |

## What reviewers say

### 黑鲨魔戒

[App page](https://appshunter.io/ios/app/id6479516111)

**Features:** macOS Compatibility

**In-app purchases:** none


### MOBI DVR

[App page](https://appshunter.io/ios/app/mobi-dvr/id6505102816)

Access and manage photos and videos from your driving recorder via WiFi. Process captured media to meet your specific needs.

**Highlights:** Access driving recorder media via WiFi, View pictures and videos, Process captured resources, Manage driving recorder data

**In-app purchases:** none


## Frequently asked questions

### Is 黑鲨魔戒 free?

黑鲨魔戒 is free to download, with no in-app purchases.

### Is MOBI DVR free?

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

### Do 黑鲨魔戒 or MOBI DVR have ads?

Neither 黑鲨魔戒 nor MOBI DVR shows ads.

### Which is updated more often, 黑鲨魔戒 or MOBI DVR?

黑鲨魔戒 ships an update monthly, and MOBI DVR every 2 months. Most recently, 黑鲨魔戒 was updated on October 8, 2026 and MOBI DVR on October 7, 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.*