# TDSBot vs Emaux Light

The clearest difference is iOS requirement: Emaux Light at 13.0 against TDSBot's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

TDSBot ships an update every 2 months, Emaux Light monthly. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TDSBot | Emaux Light |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 48 MB | 37 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [WaterTDS Inc](https://appshunter.io/developer/1529399108) | [EMAUX WATER TECHNOLOGY CO., LIMITED](https://appshunter.io/developer/1681728543) |

## What reviewers say

### TDSBot

[App page](https://appshunter.io/ios/app/tdsbot/id1534287431)

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

**In-app purchases:** none


### Emaux Light

[App page](https://appshunter.io/ios/app/emaux-light/id6463775945)

**In-app purchases:** none


## Frequently asked questions

### Is TDSBot free?

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

### Is Emaux Light free?

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

### Do TDSBot or Emaux Light have ads?

Neither TDSBot nor Emaux Light shows ads.

### Which is updated more often, TDSBot or Emaux Light?

TDSBot ships an update every 2 months, and Emaux Light monthly. Most recently, TDSBot was updated on October 25, 2026 and Emaux Light on October 30, 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.*