# TrackSub vs MindMark AI

The clearest difference is in-app purchases: TrackSub at none against MindMark AI's 2. MindMark AI's advantage is update cadence (every 4 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MindMark AI sells 2 in-app purchases, starting at $9.99 per month. TrackSub asks for nothing beyond the download.

TrackSub ships an update every 4 months, MindMark AI every 4 days. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | TrackSub | MindMark AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mindmark-ai-second-brain/id6749483055/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 2 MB | 27 MB |
| Requires iOS | **17.6** | 18.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sezai Enes YILDIZHAN](https://appshunter.io/developer/1798806321) | [Nir Portiansky](https://appshunter.io/developer/1828915914) |

## What reviewers say

### TrackSub

[App page](https://appshunter.io/ios/app/tracksub/id6742515312)

**Features:** macOS Compatibility

**In-app purchases:** none


### MindMark AI

[App page](https://appshunter.io/ios/app/mindmark-ai-second-brain/id6749483055)

Capture, organize, and instantly find information from various sources. This AI-powered tool automatically summarizes content and uses smart search to retrieve anything you need. Collaborate with others through shared folders for seamless idea exchange.

**Highlights:** Instant capture of links, text, and screenshots, AI-generated summaries and insights, Smart search by keyword, concept, or context, Automatic tagging and collection organization, Collaborative shared folders, Private and secure data storage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindMark Pro - Monthly | $9.99 | per month |
| MindMark Pro - Yearly | $69.99 | per year |


## Frequently asked questions

### Is TrackSub free?

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

### Is MindMark AI free?

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

### Do TrackSub or MindMark AI have ads?

Neither TrackSub nor MindMark AI shows ads.

### Which is updated more often, TrackSub or MindMark AI?

TrackSub ships an update every 4 months, and MindMark AI every 4 days. Most recently, TrackSub was updated on September 29, 2026 and MindMark AI on October 12, 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.*