# CallTimer vs VPW CSKH

The clearest difference is ads: VPW CSKH at none against CallTimer's shown. VPW CSKH also leads on iOS requirement (13.0 vs 15.0). 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 monthly. The most recent releases landed on September 29, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | CallTimer | VPW CSKH |
| --- | --- | --- |
| 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 | Monthly |
| Monetization | Ad-supported | — |
| Size | 9 MB | 20 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chunxu Qiu](https://appshunter.io/developer/1239647293) | [VINHPHUC NO1 WATER SUPPLY AND DRAINAGE JOINT STOCK COMPANY](https://appshunter.io/developer/1891949138) |

## 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


### VPW CSKH

[App page](https://appshunter.io/ios/app/vpw-cskh/id6761888862)

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

**In-app purchases:** none


## Frequently asked questions

### Is CallTimer free?

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

### Is VPW CSKH free?

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

### Do CallTimer or VPW CSKH have ads?

CallTimer shows ads; VPW CSKH does not.

### Which is updated more often, CallTimer or VPW CSKH?

CallTimer ships an update monthly, and VPW CSKH monthly. Most recently, CallTimer was updated on September 29, 2026 and VPW CSKH on September 17, 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.*