# CallTimer vs Back translation

The clearest difference is update cadence: Back translation at fortnightly against CallTimer's monthly. CallTimer's advantage is iOS requirement (15.0 vs 18.0). 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.

CallTimer ships an update monthly, Back translation fortnightly. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | CallTimer | Back translation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/calltimer-call-timer/id1084137015/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 22.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 9 MB | 37 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chunxu Qiu](https://appshunter.io/developer/1239647293) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## 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


### Back translation

[App page](https://appshunter.io/ios/app/back-translation/id6701995884)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CallTimer free?

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

### Is Back translation free?

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

### Do CallTimer or Back translation have ads?

Both CallTimer and Back translation show ads.

### Which is updated more often, CallTimer or Back translation?

CallTimer ships an update monthly, and Back translation fortnightly. Most recently, CallTimer was updated on October 8, 2026 and Back translation 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.*