# Zen vs RunFlow

The clearest difference is in-app purchases: RunFlow at none against Zen's 4. Zen's advantage is iOS requirement (16.4 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Zen sells 4 in-app purchases, starting at $4.99 per 7 days. RunFlow asks for nothing beyond the download.

Zen ships an update weekly, RunFlow every 4 days. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Zen | RunFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Size | 146 MB | 7 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DIMA S SOFTWARE, SRL](https://appshunter.io/developer/1876826761) | [David Azancot](https://appshunter.io/developer/507868249) |

## What reviewers say

### Zen

[App page](https://appshunter.io/ios/app/zen-daily-affirmations/id6760600362)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zen Premium Weekly | $4.99 | per 7 days |
| Zen Pro Monthly | $4.99 | per month |
| Zen Pro Yearly Recovery | $29.99 | per year |
| Zen Pro Yearly Recovery | $39.99 | per year |


### RunFlow

[App page](https://appshunter.io/ios/app/runflow-gps-running-tracker/id6797765804)

**In-app purchases:** none


## Frequently asked questions

### Is Zen free?

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

### Is RunFlow free?

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

### Do Zen or RunFlow have ads?

Both Zen and RunFlow show ads.

### Which is updated more often, Zen or RunFlow?

Zen ships an update weekly, and RunFlow every 4 days. Most recently, Zen was updated on October 24, 2026 and RunFlow on October 7, 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.*