# Buzz Off Shield vs Callme Timer

The clearest difference is in-app purchases: Buzz Off Shield at none against Callme Timer's 1. Callme Timer's advantage is iOS requirement (16 vs 18.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Callme Timer sells 1 one-off in-app purchase. Buzz Off Shield asks for nothing beyond the download.

Buzz Off Shield ships an update every 3 weeks, Callme Timer monthly. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Buzz Off Shield | Callme Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 26 MB | 4 MB |
| Requires iOS | 18.4 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Pochang Chen](https://appshunter.io/developer/1479221176) | [胜荇 杨](https://appshunter.io/developer/1868445802) |

## What reviewers say

### Buzz Off Shield

[App page](https://appshunter.io/ios/app/buzz-off-shield/id6745457381)

**Features:** macOS Compatibility

**In-app purchases:** none


### Callme Timer

[App page](https://appshunter.io/ios/app/callme-timer/id6758228672)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro lifetime | $0.99 | one-time |


## Frequently asked questions

### Is Buzz Off Shield free?

Buzz Off Shield is free to download, with no in-app purchases.

### Is Callme Timer free?

Callme Timer is free to download, with in-app purchases available.

### Do Buzz Off Shield or Callme Timer have ads?

Neither Buzz Off Shield nor Callme Timer shows ads.

### Which is updated more often, Buzz Off Shield or Callme Timer?

Buzz Off Shield ships an update every 3 weeks, and Callme Timer monthly. Most recently, Buzz Off Shield was updated on October 14, 2026 and Callme Timer on October 2, 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.*