# Class Tracker | Absentify vs SecondBrain

The clearest difference is ads: Class Tracker | Absentify at none against SecondBrain's shown. SecondBrain's advantage is update cadence (every 3 days vs every 2 months) and iOS requirement (15.1 vs 18.5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Class Tracker | Absentify sells 3 in-app purchases, starting at $1.99 per month and SecondBrain sells 3 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Class Tracker | Absentify ships an update every 2 months, SecondBrain every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Class Tracker | Absentify | SecondBrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/secondbrain-ai-memory/id6762130376/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 73 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ozan Bagiran](https://appshunter.io/developer/1821945576) | [Federico Cesarini](https://appshunter.io/developer/1888767256) |

## What reviewers say

### Class Tracker | Absentify

[App page](https://appshunter.io/ios/app/class-tracker-absentify/id6753882070)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Annual Subscription | $8.99 | per year |
| Life Long Pro | $14.99 | one-time |


### SecondBrain

[App page](https://appshunter.io/ios/app/secondbrain-ai-memory/id6762130376)

This app automatically transcribes, titles, and files your spoken thoughts, creating a self-organizing note system. It can convert voice notes into calendar events, provide daily summaries, and allow you to chat with your saved information.

**Highlights:** Automatic transcription and titling, AI-powered self-organizing notes, Voice to calendar event creation, Daily morning briefing summaries, Chat with your notes for answers, 3D brain graph visualization, Full-text search, Cross-app sharing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SecondBrain Pro | $8.99 | per month |
| SecondBrain Pro Yearly | $34.99 | per year |
| SecondBrain Pro Yearly | $44.99 | per year |


## Frequently asked questions

### Is Class Tracker | Absentify free?

Class Tracker | Absentify is free to download, with in-app purchases available.

### Is SecondBrain free?

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

### Do Class Tracker | Absentify or SecondBrain have ads?

SecondBrain shows ads; Class Tracker | Absentify does not.

### Which is updated more often, Class Tracker | Absentify or SecondBrain?

Class Tracker | Absentify ships an update every 2 months, and SecondBrain every 3 days. Most recently, Class Tracker | Absentify was updated on October 28, 2026 and SecondBrain on October 31, 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.*