# KLAS vs DualScroll Lite

The clearest difference is update cadence: DualScroll Lite at every 2 days against KLAS's every 4 months. DualScroll Lite also leads on device support (5 vs 3). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KLAS ships an update every 4 months, DualScroll Lite every 2 days. The most recent releases landed on October 24, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | KLAS | DualScroll Lite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Size | 220 MB | 27 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [SHAGGY OWL S.R.L.S.](https://appshunter.io/developer/672418138) | [Ian Stephenson](https://appshunter.io/developer/898778235) |

## What reviewers say

### KLAS

[App page](https://appshunter.io/ios/app/klas/id1044039941)

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

**In-app purchases:** none


### DualScroll Lite

[App page](https://appshunter.io/ios/app/dualscroll-lite-sync-and-record/id6705127267)

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is KLAS free?

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

### Is DualScroll Lite free?

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

### Do KLAS or DualScroll Lite have ads?

Neither KLAS nor DualScroll Lite shows ads.

### Which is updated more often, KLAS or DualScroll Lite?

KLAS ships an update every 4 months, and DualScroll Lite every 2 days. Most recently, KLAS was updated on October 24, 2026 and DualScroll Lite on November 8, 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.*