# AIMillions vs 4D

The clearest difference is in-app purchases: 4D at none against AIMillions's 1. 4D also leads on update cadence (every 5 days vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AIMillions sells 1 one-off in-app purchase. 4D asks for nothing beyond the download.

AIMillions ships an update every 5 months, 4D every 5 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AIMillions | 4D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Size | 14 MB | 28 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Robin Bollen](https://appshunter.io/developer/1154965245) | [Yau Fei Yong](https://appshunter.io/developer/1671352066) |

## What reviewers say

### AIMillions

[App page](https://appshunter.io/ios/app/aimillions/id6446123438)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack1 | $0.99 | one-time |


### 4D

[App page](https://appshunter.io/ios/app/4d-ai-prediction/id6475707153)

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

**In-app purchases:** none


## Frequently asked questions

### Is AIMillions free?

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

### Is 4D free?

4D is free to download, with no in-app purchases.

### Do AIMillions or 4D have ads?

Neither AIMillions nor 4D shows ads.

### Which is updated more often, AIMillions or 4D?

AIMillions ships an update every 5 months, and 4D every 5 days. Most recently, AIMillions was updated on October 27, 2026 and 4D 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.*