# Allumin vs KCSAD SMART

The clearest difference is update cadence: Allumin at every 6 weeks against KCSAD SMART's every 9 months. KCSAD SMART's advantage is iOS requirement (12.0 vs 15.6). 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.

Allumin ships an update every 6 weeks, KCSAD SMART every 9 months. The most recent releases landed on September 17, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Allumin | KCSAD SMART |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 9 months |
| Size | 22 MB | 54 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深文 李](https://appshunter.io/developer/1469007239) | [LUMENS TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1667733175) |

## What reviewers say

### Allumin

[App page](https://appshunter.io/ios/app/allumin/id1438701860)

**Features:** macOS Compatibility

**In-app purchases:** none


### KCSAD SMART

[App page](https://appshunter.io/ios/app/kcsad-smart/id6480011164)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Allumin free?

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

### Is KCSAD SMART free?

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

### Do Allumin or KCSAD SMART have ads?

Neither Allumin nor KCSAD SMART shows ads.

### Which is updated more often, Allumin or KCSAD SMART?

Allumin ships an update every 6 weeks, and KCSAD SMART every 9 months. Most recently, Allumin was updated on September 17, 2026 and KCSAD SMART on June 3, 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.*