# 行车DVR vs 竹知了3D

The clearest difference is ads: 行车DVR at none against 竹知了3D's shown. 行车DVR also leads on iOS requirement (11.0 vs 13.0). 竹知了3D's advantage is update cadence (daily vs every 15 months). On price, 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.

行车DVR ships an update every 15 months, 竹知了3D daily. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 行车DVR | 竹知了3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Daily** |
| Size | 30 MB | 95 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [隆彪 雷](https://appshunter.io/developer/981420461) | [远青 谢](https://appshunter.io/developer/1705671931) |

## What reviewers say

### 行车DVR

[App page](https://appshunter.io/ios/app/dvr/id1448095196)

**In-app purchases:** none


### 竹知了3D

[App page](https://appshunter.io/ios/app/3d/id6798277296)

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

**In-app purchases:** none


## Frequently asked questions

### Is 行车DVR free?

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

### Is 竹知了3D free?

竹知了3D is free to download, with no in-app purchases.

### Do 行车DVR or 竹知了3D have ads?

竹知了3D shows ads; 行车DVR does not.

### Which is updated more often, 行车DVR or 竹知了3D?

行车DVR ships an update every 15 months, and 竹知了3D daily. Most recently, 行车DVR was updated on September 17, 2026 and 竹知了3D on September 9, 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.*