# CallTimer vs EcoTrac Studio

The clearest difference is ads: EcoTrac Studio at none against CallTimer's shown. EcoTrac Studio 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 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | CallTimer | EcoTrac Studio |
| --- | --- | --- |
| 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 | 3 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chunxu Qiu](https://appshunter.io/developer/1239647293) | [Maxim Smart Manufacturing Co., Ltd](https://appshunter.io/developer/1544401850) |

## 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


### EcoTrac Studio

[App page](https://appshunter.io/ios/app/ecotrac-studio/id6748297357)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CallTimer free?

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

### Is EcoTrac Studio free?

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

### Do CallTimer or EcoTrac Studio have ads?

CallTimer shows ads; EcoTrac Studio does not.

### Which is updated more often, CallTimer or EcoTrac Studio?

CallTimer ships an update monthly, and EcoTrac Studio monthly. Most recently, CallTimer was updated on September 25, 2026 and EcoTrac Studio on September 21, 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.*