# ZTW vs ESC1

The clearest difference is update cadence: ESC1 at every 11 days against ZTW's every 3 months. 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, ESC1 every 11 days. The most recent releases landed on June 1, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | ZTW | ESC1 |
| --- | --- | --- |
| 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 11 days** |
| Monetization | Free | — |
| Size | 8 MB | 3 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen ZTW Model Science&Technology Co.,Ltd](https://appshunter.io/developer/1681012514) | [鹏 杜](https://appshunter.io/developer/1623719348) |

## 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


### ESC1

[App page](https://appshunter.io/ios/app/esc1/id6444383451)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZTW free?

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

### Is ESC1 free?

ESC1 is free to download, with no in-app purchases.

### Do ZTW or ESC1 have ads?

Neither ZTW nor ESC1 shows ads.

### Which is updated more often, ZTW or ESC1?

ZTW ships an update every 3 months, and ESC1 every 11 days. Most recently, ZTW was updated on June 1, 2026 and ESC1 on September 16, 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.*