# FCall vs AustenTel ACS

The clearest difference is device support: FCall at 3 against AustenTel ACS's 1. FCall also leads on iOS requirement (8.0 vs 17.0). On price, review sentiment, update cadence and ads there is nothing between them.

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

FCall ships an update monthly, AustenTel ACS every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | FCall | AustenTel ACS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/austentel-acs/id6444466517/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 41 MB | 5 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FPT Telecom](https://appshunter.io/developer/843090670) | [Austen Consultants, LLC](https://appshunter.io/developer/1654860193) |

## What reviewers say

### FCall

[App page](https://appshunter.io/ios/app/fcall/id1102721578)

This app provides a leading voice call service in Vietnam. It offers reliable communication for users across various Apple devices.

**Highlights:** Leading voice call service, Reliable communication, Supports iPhone, iPad, iPod

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

**In-app purchases:** none


### AustenTel ACS

[App page](https://appshunter.io/ios/app/austentel-acs/id6444466517)

This communication app allows users to make free calls to other users of the platform. It supports HD voice and video, push notifications, and functions as a SIP softphone.

**Highlights:** SIP softphone functionality, Push notifications, HD voice and video support, Free calling between app users

**In-app purchases:** none


## Frequently asked questions

### Is FCall free?

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

### Is AustenTel ACS free?

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

### Do FCall or AustenTel ACS have ads?

Neither FCall nor AustenTel ACS shows ads.

### Which is updated more often, FCall or AustenTel ACS?

FCall ships an update monthly, and AustenTel ACS every 2 months. Most recently, FCall was updated on October 24, 2026 and AustenTel ACS on October 24, 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.*