# Comfortdata vs A1 Data Sub

Comfortdata and A1 Data Sub are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Comfortdata | A1 Data Sub |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 58 MB | 72 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shin dev technology limited](https://appshunter.io/developer/1896315195) | [Pheebz-Dev Technology](https://appshunter.io/developer/1711099481) |

## What reviewers say

### Comfortdata

[App page](https://appshunter.io/ios/app/comfortdata/id6767558334)

**Features:** macOS Compatibility

**In-app purchases:** none


### A1 Data Sub

[App page](https://appshunter.io/ios/app/a1-data-sub/id6781247288)

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

**In-app purchases:** none


## Frequently asked questions

### Is Comfortdata free?

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

### Is A1 Data Sub free?

A1 Data Sub is free to download, with no in-app purchases.

### Do Comfortdata or A1 Data Sub have ads?

Neither Comfortdata nor A1 Data Sub shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*