# CooCall vs The String

The clearest difference is iOS requirement: CooCall at 13.0 against The String's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CooCall ships an update fortnightly, The String monthly. The most recent releases landed on June 5, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | CooCall | The String |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/coocall/id1018188405/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | — |
| Size | 10 MB | 52 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ZYCOO CO.,LTD](https://appshunter.io/developer/1018188404) | [The String](https://appshunter.io/developer/1847629829) |

## What reviewers say

### CooCall

[App page](https://appshunter.io/ios/app/coocall/id1018188405)

This app allows users to take their office phone extension with them anywhere. Make and receive calls using your office system from cafes, airports, or abroad. It synchronizes with your enterprise phonebook and offers personalized ringtones.

**Highlights:** Mobile office extension, Inbound and outbound calls, QR code registration, Enterprise phonebook sync, Personalized ringtones

**Features:** macOS Compatibility

**In-app purchases:** none


### The String

[App page](https://appshunter.io/ios/app/the-string/id6754281080)

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

**In-app purchases:** none


## Frequently asked questions

### Is CooCall free?

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

### Is The String free?

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

### Do CooCall or The String have ads?

Neither CooCall nor The String shows ads.

### Which is updated more often, CooCall or The String?

CooCall ships an update fortnightly, and The String monthly. Most recently, CooCall was updated on June 5, 2026 and The String on September 14, 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.*