# BlackCryptoPhone vs AustenTel ACS

The clearest difference is update cadence: AustenTel ACS at every 2 months against BlackCryptoPhone's every 5 months. BlackCryptoPhone's advantage is iOS requirement (12.0 vs 17.0). 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.

BlackCryptoPhone ships an update every 5 months, AustenTel ACS every 2 months. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BlackCryptoPhone | 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 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 92 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Musa IDRIS](https://appshunter.io/developer/1643918597) | [Austen Consultants, LLC](https://appshunter.io/developer/1654860193) |

## What reviewers say

### BlackCryptoPhone

[App page](https://appshunter.io/ios/app/blackcryptophone/id1643918265)

**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 BlackCryptoPhone free?

BlackCryptoPhone 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 BlackCryptoPhone or AustenTel ACS have ads?

Neither BlackCryptoPhone nor AustenTel ACS shows ads.

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

BlackCryptoPhone ships an update every 5 months, and AustenTel ACS every 2 months. Most recently, BlackCryptoPhone was updated on October 15, 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.*