# Keepsmile vs KVMTattoo

The clearest difference is ads: KVMTattoo at none against Keepsmile's shown. Keepsmile's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (12.0 vs 14.0). On price, 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.

Keepsmile ships an update every 3 weeks, KVMTattoo every 3 months. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Keepsmile | KVMTattoo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (4.8K ratings)](https://appshunter.io/ios/app/keepsmile/id1543351744/reviews)** | — |
| Number of ratings | **4.8K** | — |
| Positive reviews | 20.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 122 MB | 38 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市优智达科技有限公司](https://appshunter.io/developer/1651370948) | [诗雨 任](https://appshunter.io/developer/1803985331) |

## What reviewers say

### Keepsmile

[App page](https://appshunter.io/ios/app/keepsmile/id1543351744)

Control a wide range of smart lighting products, including strip lights, bulbs, and lamps. Adjust colors, brightness, and settings for various lighting types like pool lamps and car lights.

**Highlights:** Control strip lights, Manage LED bulbs, Operate floor lamps, Adjust wake lights, Control star lights, Manage car lights, Operate pool lamps

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 🔨 Customizable lights
- 🎨 Wide range of colors
- 💡 Music sync feature

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔍 Limited color control
- 💤 Timer feature not working
- 📺 Interferes with other devices
- 🔇 Mandatory ads

**Reported bugs**

- Lights randomly change color
- App crashes or freezes
- Bluetooth connection issues
- Inability to log in or register

**Requested features**

- More customization options
- Ability to create custom light patterns
- Integration with smart home platforms
- Option to disable ads


### KVMTattoo

[App page](https://appshunter.io/ios/app/kvmtattoo/id6743697688)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Keepsmile free?

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

### Is KVMTattoo free?

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

### Do Keepsmile or KVMTattoo have ads?

Keepsmile shows ads; KVMTattoo does not.

### Which is updated more often, Keepsmile or KVMTattoo?

Keepsmile ships an update every 3 weeks, and KVMTattoo every 3 months. Most recently, Keepsmile was updated on October 17, 2026 and KVMTattoo on October 9, 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.*