# Techno Rainbow vs SvitloBot Client

The clearest difference is update cadence: Techno Rainbow at every 2 months against SvitloBot Client's every 9 months. SvitloBot Client's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, review sentiment, 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.

Techno Rainbow ships an update every 2 months, SvitloBot Client every 9 months. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Techno Rainbow | SvitloBot Client |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 3 MB | 4 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen Lenze Technology Co,.Ltd.](https://appshunter.io/developer/1190864538) | [Alexander Tartmin](https://appshunter.io/developer/1689940317) |

## What reviewers say

### Techno Rainbow

[App page](https://appshunter.io/ios/app/techno-rainbow/id6453409883)

Control your car's interior lighting and air freshening systems. Customize lighting modes, colors, and brightness, and manage scent intensity and air purification for a personalized driving experience.

**Highlights:** Car interior lighting control, Customizable lighting modes and colors, Rainbow lighting effect, Music synchronization for lighting, Air freshening and ionization control, Adjustable scent intensity

**In-app purchases:** none


### SvitloBot Client

[App page](https://appshunter.io/ios/app/svitlobot-client/id6743360247)

This utility app monitors power availability by periodically sending a signal to a server when the device is connected and charging. It helps users detect electricity outages without requiring registration. Proper setup with the SvitloBot system is essential for functionality.

**Highlights:** Power availability monitoring, Telegram notifications, Periodic signal sending, No registration required, Internet and charging status check

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Techno Rainbow free?

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

### Is SvitloBot Client free?

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

### Do Techno Rainbow or SvitloBot Client have ads?

Neither Techno Rainbow nor SvitloBot Client shows ads.

### Which is updated more often, Techno Rainbow or SvitloBot Client?

Techno Rainbow ships an update every 2 months, and SvitloBot Client every 9 months. Most recently, Techno Rainbow was updated on October 1, 2026 and SvitloBot Client on October 11, 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.*