# Quell vs KSVDL

The clearest difference is iOS requirement: Quell at 13.0 against KSVDL's 15.1. 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.

## The numbers

| Metric | Quell | KSVDL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (9 ratings)](https://appshunter.io/ios/app/quell/id1517092922/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 months |
| Monetization | Free | — |
| Size | 5 MB | 41 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [NeuroMetrix, Inc.](https://appshunter.io/developer/972079953) | [K-State Diagnostic and Analytical Services, Inc](https://appshunter.io/developer/1065009558) |

## What reviewers say

### Quell

[App page](https://appshunter.io/ios/app/quell/id1517092922)

Manage your pain relief device and track therapy sessions. Start or stop treatments, adjust intensity, and view your schedule. Receive important alerts for battery life and therapy status to ensure continuous pain management.

**Highlights:** Start/stop therapy, Adjust intensity, View therapy schedule, Check device status, Monitor battery level, Receive notifications

**In-app purchases:** none


### KSVDL

[App page](https://appshunter.io/ios/app/ksvdl/id6670323276)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quell free?

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

### Is KSVDL free?

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

### Do Quell or KSVDL have ads?

Neither Quell nor KSVDL shows ads.

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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.*