# Marketlog vs Central Brain

The clearest difference is ads: Marketlog at none against Central Brain's shown. Marketlog also leads on iOS requirement (15.0 vs 26.0). Central Brain's advantage is update cadence (every 3 days vs every 2 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Marketlog sells 4 in-app purchases, starting at $7.99 per month and Central Brain sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Marketlog ships an update every 2 weeks, Central Brain every 3 days. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Marketlog | Central Brain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 50 MB | 13 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Myfxbook](https://appshunter.io/developer/985947298) | [Frantisek Vitvar](https://appshunter.io/developer/6796605479) |

## What reviewers say

### Marketlog

[App page](https://appshunter.io/ios/app/marketlog-portfolio-tracker/id6480523672)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| plus monthly | $7.99 | per month |
| pro monthly | $17.99 | per month |
| plus yearly | $79.99 | per year |
| pro yearly | $179.99 | per year |


### Central Brain

[App page](https://appshunter.io/ios/app/central-brain/id6796943688)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $5.99 | per month |
| Premium Yearly | $59.99 | per year |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Marketlog free?

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

### Is Central Brain free?

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

### Do Marketlog or Central Brain have ads?

Central Brain shows ads; Marketlog does not.

### Which is updated more often, Marketlog or Central Brain?

Marketlog ships an update every 2 weeks, and Central Brain every 3 days. Most recently, Marketlog was updated on November 4, 2026 and Central 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.*