# REDtone IoT vs TCS SMART BATTERY

The clearest difference is iOS requirement: TCS SMART BATTERY at 12.0 against REDtone IoT's 15.0. 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.

REDtone IoT ships an update every 3 weeks, TCS SMART BATTERY monthly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | REDtone IoT | TCS SMART BATTERY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 37 MB | 106 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [REDtone Digital Berhad](https://appshunter.io/developer/1168561182) | [厦门松立新能源科技有限公司](https://appshunter.io/developer/1723946924) |

## What reviewers say

### REDtone IoT

[App page](https://appshunter.io/ios/app/redtone-iot/id6443580610)

**Features:** macOS Compatibility

**In-app purchases:** none


### TCS SMART BATTERY

[App page](https://appshunter.io/ios/app/tcs-smart-battery/id6475328119)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is REDtone IoT free?

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

### Is TCS SMART BATTERY free?

TCS SMART BATTERY is free to download, with no in-app purchases.

### Do REDtone IoT or TCS SMART BATTERY have ads?

Neither REDtone IoT nor TCS SMART BATTERY shows ads.

### Which is updated more often, REDtone IoT or TCS SMART BATTERY?

REDtone IoT ships an update every 3 weeks, and TCS SMART BATTERY monthly. Most recently, REDtone IoT was updated on October 24, 2026 and TCS SMART BATTERY on October 27, 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.*