# HabiCard vs Second Brain

The clearest difference is in-app purchases: HabiCard at none against Second Brain's 2. HabiCard also leads on iOS requirement (15.1 vs 18.0). Second Brain's advantage is update cadence (every 5 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Second Brain sells 2 in-app purchases, starting at $7.99 per 7 days. HabiCard asks for nothing beyond the download.

HabiCard ships an update every 3 weeks, Second Brain every 5 days. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HabiCard | Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/habicard/id6766097500/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 30 MB | 55 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Surya Singh](https://appshunter.io/developer/1896193130) | [Terra Innovations](https://appshunter.io/developer/1789492814) |

## What reviewers say

### HabiCard

[App page](https://appshunter.io/ios/app/habicard/id6766097500)

This app helps you build and maintain daily habits with visual progress tracking and flexible goal setting. It offers a journal, task management, and a personalized AI coach to keep you motivated. Enjoy a clutter-free experience focused on clear progress and streak maintenance.

**Highlights:** One-tap habit logging, Visual streak tracking, Flexible goal scheduling, Integrated journal and tasks, Personalized AI coaching, Weekly, monthly, yearly views, Customizable themes

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

**In-app purchases:** none


### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-ai-assistant/id6792532203)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Monthly | $29.99 | per month |


## Frequently asked questions

### Is HabiCard free?

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

### Is Second Brain free?

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

### Do HabiCard or Second Brain have ads?

Neither HabiCard nor Second Brain shows ads.

### Which is updated more often, HabiCard or Second Brain?

HabiCard ships an update every 3 weeks, and Second Brain every 5 days. Most recently, HabiCard was updated on October 12, 2026 and Second Brain on October 25, 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.*