# SOTERIA PMF vs popflow

The clearest difference is device support: SOTERIA PMF at 3 against popflow's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SOTERIA PMF ships an update every 2 weeks, popflow every 3 weeks. The most recent releases landed on October 26, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SOTERIA PMF | popflow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (55 ratings)](https://appshunter.io/ios/app/popflow/id6752309461/reviews)** |
| Number of ratings | — | **55** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 74 MB | 38 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Healthie Inc](https://appshunter.io/developer/1120940359) | [YOGA ON C LLC](https://appshunter.io/developer/1838777712) |

## What reviewers say

### SOTERIA PMF

[App page](https://appshunter.io/ios/app/soteria-pmf/id6744829020)

**In-app purchases:** none


### popflow

[App page](https://appshunter.io/ios/app/popflow/id6752309461)

Browse class schedules, filter by type, and book your spot with ease. Manage your reservations and stay committed to your fitness goals. Purchase class packs and memberships directly within the app.

**Highlights:** Browse and purchase class packs/memberships, View and filter class schedule, Manage class reservations, Track upcoming classes, Stay organized for fitness goals

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is SOTERIA PMF free?

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

### Is popflow free?

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

### Do SOTERIA PMF or popflow have ads?

Neither SOTERIA PMF nor popflow shows ads.

### Which is updated more often, SOTERIA PMF or popflow?

SOTERIA PMF ships an update every 2 weeks, and popflow every 3 weeks. Most recently, SOTERIA PMF was updated on October 26, 2026 and popflow on November 5, 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.*