# CallBell vs PGM Simulator

The clearest difference is update cadence: PGM Simulator at weekly against CallBell's every 21 months. PGM Simulator also leads on iOS requirement (13.0 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.

CallBell ships an update every 21 months, PGM Simulator weekly. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CallBell | PGM Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (30 ratings)](https://appshunter.io/ios/app/callbell/id1591673276/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 21 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 35 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [whitez](https://appshunter.io/developer/548591356) | [Peimin Wang](https://appshunter.io/developer/6786607388) |

## 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


### PGM Simulator

[App page](https://appshunter.io/ios/app/pgm-simulator/id6786607386)

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

**In-app purchases:** none


## Frequently asked questions

### Is CallBell free?

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

### Is PGM Simulator free?

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

### Do CallBell or PGM Simulator have ads?

Both CallBell and PGM Simulator show ads.

### Which is updated more often, CallBell or PGM Simulator?

CallBell ships an update every 21 months, and PGM Simulator weekly. Most recently, CallBell was updated on October 14, 2026 and PGM Simulator on October 10, 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.*