# CardStack vs CardBrain

The clearest difference is chart position: CardStack at #132 against CardBrain's unranked. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CardStack sells 3 in-app purchases, starting at $12.99 per month and CardBrain sells 6 in-app purchases, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.

CardStack ships an update every 2 weeks, CardBrain every 10 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CardStack | CardBrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (53 ratings)](https://appshunter.io/ios/app/cardstack-credit-card-tracker/id6759270863/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | 94.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Freemium | — |
| Best chart rank | **#132** | — |
| Size | 259 MB | 19 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SPACE ROBOTS INC](https://appshunter.io/developer/1877786048) | [Yishu Gu](https://appshunter.io/developer/1891227083) |

## What reviewers say

### CardStack

[App page](https://appshunter.io/ios/app/cardstack-credit-card-tracker/id6759270863)

**Currently charting:** #132 Top Grossing · Finance (US App Store)

This app helps you maximize rewards and savings from your credit cards. It tracks perks, statement credits, and points, offering AI-powered advice to ensure your cards always pay you back more than they cost. Get personalized recommendations and automated offer management.

**Highlights:** Maximize cashback and offers, Track statement credits automatically, Redeem points at peak value, AI agent for personalized advice, See which card earns the most, Track points portfolio, Annual fee advisor

**Features:** macOS Compatibility, Safari Extension, Apple Wallet, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CardStack+ | $12.99 | per month |
| CardStack+ | $89.99 | per year |
| CardStack+ Lifetime | $239.99 | one-time |


### 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 |


## Frequently asked questions

### Is CardStack free?

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

### Is CardBrain free?

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

### Do CardStack or CardBrain have ads?

Neither CardStack nor CardBrain shows ads.

### Which is updated more often, CardStack or CardBrain?

CardStack ships an update every 2 weeks, and CardBrain every 10 days. Most recently, CardStack was updated on November 9, 2026 and CardBrain on November 5, 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.*