# RIVL Run vs Underfoot

The clearest difference is in-app purchases: RIVL Run at none against Underfoot's 3. RIVL Run also leads on update cadence (daily vs every 4 days) and iOS requirement (18.4 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Underfoot sells 3 in-app purchases, starting at $4.99 per month. RIVL Run asks for nothing beyond the download.

RIVL Run ships an update daily, Underfoot every 4 days. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | RIVL Run | Underfoot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Size | 32 MB | 80 MB |
| Requires iOS | **18.4** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Joseph Laroche](https://appshunter.io/developer/6771834442) | [Uladzislau Zakharo](https://appshunter.io/developer/1895163173) |

## What reviewers say

### RIVL Run

[App page](https://appshunter.io/ios/app/rivl-run/id6771834440)

**Features:** macOS Compatibility

**In-app purchases:** none


### Underfoot

[App page](https://appshunter.io/ios/app/underfoot-long-walks/id6810782521)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $29.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is RIVL Run free?

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

### Is Underfoot free?

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

### Do RIVL Run or Underfoot have ads?

Neither RIVL Run nor Underfoot shows ads.

### Which is updated more often, RIVL Run or Underfoot?

RIVL Run ships an update daily, and Underfoot every 4 days. Most recently, RIVL Run was updated on October 25, 2026 and Underfoot on October 26, 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.*