# ZTW vs SNAIL ESC

The clearest difference is rating: SNAIL ESC at 3.0 against ZTW's 1.0. On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

SNAIL ESC holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 13, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ZTW | SNAIL ESC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/ztw/id1639898771/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/snail-esc/id6472059355/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 8 MB | 12 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen ZTW Model Science&Technology Co.,Ltd](https://appshunter.io/developer/1681012514) | [健 吴](https://appshunter.io/developer/1480559472) |

## 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


### SNAIL ESC

[App page](https://appshunter.io/ios/app/snail-esc/id6472059355)

This utility app synchronizes data from Bluetooth devices, displaying status like temperature and voltage. It also allows users to adjust device parameters and calibration settings.

**Highlights:** Bluetooth device data synchronization, Display temperature and voltage status, Adjust device parameter values, Device calibration function, Settings page for configuration

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

**In-app purchases:** none


## Frequently asked questions

### Is ZTW free?

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

### Is SNAIL ESC free?

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

### Which has better reviews, ZTW or SNAIL ESC?

SNAIL ESC is rated higher. ZTW averages 1.0 out of 5 from 2 ratings, while SNAIL ESC averages 3.0 from 2 ratings.

### Do ZTW or SNAIL ESC have ads?

Neither ZTW nor SNAIL ESC shows ads.

### Which is updated more often, ZTW or SNAIL ESC?

ZTW ships an update every 3 months, and SNAIL ESC every 3 months. Most recently, ZTW was updated on October 13, 2026 and SNAIL ESC on October 21, 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.*