# Karpro vs I

The clearest difference is update cadence: I at monthly against Karpro's every 2 months. I also leads on iOS requirement (10.0 vs 12.0). On price, ads, 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.

Karpro ships an update every 2 months, I monthly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Karpro | I |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.4 (7 ratings)](https://appshunter.io/ios/app/i-at-lamp/id1547243763/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 79 MB | 20 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市卓联启航科技有限公司](https://appshunter.io/developer/1266211236) | [秀平 王](https://appshunter.io/developer/1545529555) |

## What reviewers say

### Karpro

[App page](https://appshunter.io/ios/app/karpro/id1514571789)

**In-app purchases:** none


### I

[App page](https://appshunter.io/ios/app/i-at-lamp/id1547243763)

Control smart lights and play music via Bluetooth. Customize light colors, modes, speed, and brightness to sync with your music. Offers multiple lighting effects like gradient and stroboscopic modes.

**Highlights:** Bluetooth music playback, Customizable light colors, Music-synced lighting, Multiple lighting modes, Adjustable speed and brightness, Multi-module synchronization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Karpro free?

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

### Is I free?

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

### Do Karpro or I have ads?

Neither Karpro nor I shows ads.

### Which is updated more often, Karpro or I?

Karpro ships an update every 2 months, and I monthly. Most recently, Karpro was updated on October 8, 2026 and I on October 7, 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.*