# CallTimer vs 誤発信Zero 便利 & 安心 & 簡単に電話ができるアプリ

The clearest difference is ads: 誤発信Zero 便利 & 安心 & 簡単に電話ができるアプリ at none against CallTimer's shown. 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.

CallTimer ships an update monthly, 誤発信Zero 便利 & 安心 & 簡単に電話ができるアプリ every 2 months. Both last shipped on October 3, 2026.

## The numbers

| Metric | CallTimer | 誤発信Zero 便利 & 安心 & 簡単に電話ができるアプリ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/calltimer-call-timer/id1084137015/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 9 MB | 6 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chunxu Qiu](https://appshunter.io/developer/1239647293) | [Yuko Nakata](https://appshunter.io/developer/1570387190) |

## What reviewers say

### CallTimer

[App page](https://appshunter.io/ios/app/calltimer-call-timer/id1084137015)

This utility app helps you monitor call durations with customizable alarms. It's designed for simplicity, allowing users to set notifications for specific call lengths, making it useful for managing unlimited calling plans.

**Highlights:** Measure call time, Set customizable alarms, Receive notifications, Vibration alerts, Simple interface, Select numbers from phone book

**Features:** Vision Pro support

**In-app purchases:** none


### 誤発信Zero 便利 & 安心 & 簡単に電話ができるアプリ

[App page](https://appshunter.io/ios/app/zero-and-and/id6443629269)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CallTimer free?

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

### Is 誤発信Zero 便利 & 安心 & 簡単に電話ができるアプリ free?

誤発信Zero 便利 & 安心 & 簡単に電話ができるアプリ is free to download, with no in-app purchases.

### Do CallTimer or 誤発信Zero 便利 & 安心 & 簡単に電話ができるアプリ have ads?

CallTimer shows ads; 誤発信Zero 便利 & 安心 & 簡単に電話ができるアプリ does not.

### Which is updated more often, CallTimer or 誤発信Zero 便利 & 安心 & 簡単に電話ができるアプリ?

CallTimer ships an update monthly, and 誤発信Zero 便利 & 安心 & 簡単に電話ができるアプリ every 2 months. Most recently, CallTimer was updated on October 3, 2026 and 誤発信Zero 便利 & 安心 & 簡単に電話ができるアプリ on October 3, 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.*