# Albert I’mStein vs Red Radar

The clearest difference is in-app purchases: Albert I’mStein at none against Red Radar's 2. Albert I’mStein also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.1). Red Radar's advantage is update cadence (every 2 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Red Radar sells 2 in-app purchases, starting at $4.99 per 7 days. Albert I’mStein asks for nothing beyond the download.

Albert I’mStein ships an update every 2 months, Red Radar every 2 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Albert I’mStein | Red Radar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 219 MB | 66 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AR-Labs.io](https://appshunter.io/developer/1586984189) | [Mehmet Furkan Anter](https://appshunter.io/developer/1682043695) |

## What reviewers say

### Albert I’mStein

[App page](https://appshunter.io/ios/app/albert-imstein/id6447842999)

**In-app purchases:** none


### Red Radar

[App page](https://appshunter.io/ios/app/red-radar-relationship-ai/id6745909272)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Red Radar Pro Weekly | $4.99 | per 7 days |
| Red Radar Pro Monthly | $7.99 | per month |


## Frequently asked questions

### Is Albert I’mStein free?

Albert I’mStein is free to download, with no in-app purchases.

### Is Red Radar free?

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

### Do Albert I’mStein or Red Radar have ads?

Red Radar shows ads; Albert I’mStein does not.

### Which is updated more often, Albert I’mStein or Red Radar?

Albert I’mStein ships an update every 2 months, and Red Radar every 2 weeks. Most recently, Albert I’mStein was updated on October 30, 2026 and Red Radar on October 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.*