# CallBell vs KSU SeQR Scan

The clearest difference is ads: KSU SeQR Scan at none against CallBell's shown. KSU SeQR Scan also leads on iOS requirement (11.0 vs 15.6). On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 21 months. The most recent releases landed on October 22, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CallBell | KSU SeQR Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (32 ratings)](https://appshunter.io/ios/app/callbell/id1591673276/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 21 months | Every 21 months |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 11 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [whitez](https://appshunter.io/developer/548591356) | [SECURITY SOFTWARE & SOLUTIONS LLP](https://appshunter.io/developer/1212339368) |

## What reviewers say

### CallBell

[App page](https://appshunter.io/ios/app/callbell/id1591673276)

Experience realistic sound effects with this app, featuring high-quality audio and visuals. Customize your experience with a dress-up function that changes sound effects based on themes. Explore augmented reality features for an enhanced simulation.

**Highlights:** Realistic call bell sound simulation, High image and sound quality, Refined 3D design, Dress-up function with themes, Augmented Reality support

**Features:** macOS Compatibility

**In-app purchases:** none


### KSU SeQR Scan

[App page](https://appshunter.io/ios/app/ksu-seqr-scan/id1633649460)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CallBell free?

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

### Is KSU SeQR Scan free?

KSU SeQR Scan is free to download, with no in-app purchases.

### Do CallBell or KSU SeQR Scan have ads?

CallBell shows ads; KSU SeQR Scan does not.

### Which is updated more often, CallBell or KSU SeQR Scan?

CallBell ships an update every 21 months, and KSU SeQR Scan every 21 months. Most recently, CallBell was updated on October 22, 2026 and KSU SeQR Scan on October 15, 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.*