# WaldenVibes vs Iron

The clearest difference is in-app purchases: WaldenVibes at none against Iron's 1. Iron's advantage is update cadence (every 10 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Iron sells 1 in-app purchase, starting at $0.99 per month. WaldenVibes asks for nothing beyond the download.

WaldenVibes ships an update every 2 months, Iron every 10 days. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | WaldenVibes | Iron |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 42 MB | 15 MB |
| Requires iOS | 18.0 | **17.1** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Walden Dos, S. de R.L. de C.V.](https://appshunter.io/developer/1820045224) | [Karen Arellano](https://appshunter.io/developer/1892067985) |

## What reviewers say

### WaldenVibes

[App page](https://appshunter.io/ios/app/waldenvibes-emotion-tracker/id6748090601)

**Features:** macOS Compatibility

**In-app purchases:** none


### Iron

[App page](https://appshunter.io/ios/app/iron/id6761918295)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Iron pro | $0.99 | per month |


## Frequently asked questions

### Is WaldenVibes free?

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

### Is Iron free?

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

### Do WaldenVibes or Iron have ads?

Neither WaldenVibes nor Iron shows ads.

### Which is updated more often, WaldenVibes or Iron?

WaldenVibes ships an update every 2 months, and Iron every 10 days. Most recently, WaldenVibes was updated on October 9, 2026 and Iron on October 16, 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.*