# Jerold vs Marginal AI

The clearest difference is update cadence: Jerold at weekly against Marginal AI's every 3 weeks. Jerold also leads on iOS requirement (12.4 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Jerold ships an update weekly, Marginal AI every 3 weeks. The most recent releases landed on October 9, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Jerold | Marginal AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 27 MB | 38 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Jerold Global LP](https://appshunter.io/developer/1747902765) | [quanti-tech](https://appshunter.io/developer/1872078194) |

## What reviewers say

### Jerold

[App page](https://appshunter.io/ios/app/jerold/id6503060802)

**Features:** macOS Compatibility

**In-app purchases:** none


### Marginal AI

[App page](https://appshunter.io/ios/app/marginal-ai/id6758302475)

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

**In-app purchases:** none


## Frequently asked questions

### Is Jerold free?

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

### Is Marginal AI free?

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

### Do Jerold or Marginal AI have ads?

Neither Jerold nor Marginal AI shows ads.

### Which is updated more often, Jerold or Marginal AI?

Jerold ships an update weekly, and Marginal AI every 3 weeks. Most recently, Jerold was updated on October 9, 2026 and Marginal AI on September 28, 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.*