# CardBrain vs A2O Portfolio

The clearest difference is in-app purchases: A2O Portfolio at none against CardBrain's 6. A2O Portfolio also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. CardBrain sells 6 in-app purchases, starting at $14.99 per year. A2O Portfolio asks for nothing beyond the download.

## The numbers

| Metric | CardBrain | A2O Portfolio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Size | 19 MB | 14 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yishu Gu](https://appshunter.io/developer/1891227083) | [Strategy Trader Inc.](https://appshunter.io/developer/6786782067) |

## What reviewers say

### CardBrain

[App page](https://appshunter.io/ios/app/cardbrain-benefit-tracker/id6761742264)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CardBrain Pro Annual | $14.99 | per year |
| Small thanks | $2.99 | one-time |
| You're awesome | $6.99 | one-time |
| This app rocks | $9.99 | one-time |
| You're a legend | $14.99 | one-time |
| CardBrain Pro Lifetime | $29.99 | one-time |


### A2O Portfolio

[App page](https://appshunter.io/ios/app/a2o-portfolio/id6808702020)

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

**In-app purchases:** none


## Frequently asked questions

### Is CardBrain free?

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

### Is A2O Portfolio free?

A2O Portfolio is free to download, with no in-app purchases.

### Do CardBrain or A2O Portfolio have ads?

Neither CardBrain nor A2O Portfolio shows ads.

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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.*