# ZTW vs DataLink V3

The clearest difference is update cadence: ZTW at every 3 months against DataLink V3's every 9 months. ZTW also leads on iOS requirement (12.4 vs 14.0). 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.

ZTW ships an update every 3 months, DataLink V3 every 9 months. The most recent releases landed on June 1, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | ZTW | DataLink V3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/ztw/id1639898771/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free | — |
| Size | 8 MB | 8 MB |
| Requires iOS | **12.4** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen ZTW Model Science&Technology Co.,Ltd](https://appshunter.io/developer/1681012514) | [Hobbywing Technology Co.,Ltd](https://appshunter.io/developer/1033124554) |

## What reviewers say

### ZTW

[App page](https://appshunter.io/ios/app/ztw/id1639898771)

Connects your mobile device to your ESC via Bluetooth to adjust parameters, view data, and update firmware. Offers essential control for electronic speed controllers.

**Highlights:** Bluetooth ESC connection, Parameter adjustment, Data viewing, Firmware upgrades

**Features:** macOS Compatibility

**In-app purchases:** none


### DataLink V3

[App page](https://appshunter.io/ios/app/datalink-v3/id6752997274)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZTW free?

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

### Is DataLink V3 free?

DataLink V3 is free to download, with no in-app purchases.

### Do ZTW or DataLink V3 have ads?

Neither ZTW nor DataLink V3 shows ads.

### Which is updated more often, ZTW or DataLink V3?

ZTW ships an update every 3 months, and DataLink V3 every 9 months. Most recently, ZTW was updated on June 1, 2026 and DataLink V3 on August 18, 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.*