# UBCаll vs aSTRING Chaos

The clearest difference is in-app purchases: UBCаll at none against aSTRING Chaos's 2. UBCаll also leads on ads (none vs shown) and iOS requirement (9.0 vs 18.2). On price and device support there is nothing between them.

Both are free to download. aSTRING Chaos sells 2 in-app purchases, starting at $0.99 per 7 days. UBCаll asks for nothing beyond the download.

## The numbers

| Metric | UBCаll | aSTRING Chaos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Weekly |
| Size | 51 MB | 45 MB |
| Requires iOS | **9.0** | 18.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [MEZORN LLC](https://appshunter.io/developer/415630461) | [Bilegdemberel Sumiyabayar](https://appshunter.io/developer/1813051157) |

## What reviewers say

### UBCаll

[App page](https://appshunter.io/ios/app/ubcll/id1568625529)

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

**In-app purchases:** none


### aSTRING Chaos

[App page](https://appshunter.io/ios/app/astring-chaos/id6745579771)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Astring+ Weekly | $0.99 | per 7 days |
| Astring+ Monthly | $1.99 | per month |


## Frequently asked questions

### Is UBCаll free?

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

### Is aSTRING Chaos free?

aSTRING Chaos is free to download, with in-app purchases available.

### Do UBCаll or aSTRING Chaos have ads?

aSTRING Chaos shows ads; UBCаll does not.

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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.*