# ONE LDN vs DevelopedMind

The clearest difference is in-app purchases: ONE LDN at none against DevelopedMind's 6. ONE LDN also leads on iOS requirement (15.1 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. DevelopedMind sells 6 in-app purchases, starting at $4.99 per month. ONE LDN asks for nothing beyond the download.

## The numbers

| Metric | ONE LDN | DevelopedMind |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 36 MB | 442 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [ONE LDN](https://appshunter.io/developer/1833974896) | [Eluma labs ltd](https://appshunter.io/developer/1886211063) |

## What reviewers say

### ONE LDN

[App page](https://appshunter.io/ios/app/one-ldn/id6751208228)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### DevelopedMind

[App page](https://appshunter.io/ios/app/developedmind-self-discovery/id6760780188)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DevelopedMind - Go | $4.99 | per month |
| DevelopedMind Monthly | $6.99 | per month |
| 30 Cognition | $3.99 | one-time |
| Twin Report | $9.99 | one-time |
| Video Creation | $12.99 | one-time |
| 150 cognition | $12.99 | one-time |


## Frequently asked questions

### Is ONE LDN free?

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

### Is DevelopedMind free?

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

### Do ONE LDN or DevelopedMind have ads?

Neither ONE LDN nor DevelopedMind shows ads.

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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.*