# WST App vs Pops Flow

The clearest difference is in-app purchases: WST App at none against Pops Flow's 2. WST App also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). Pops Flow's advantage is update cadence (every 6 days vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Pops Flow sells 2 in-app purchases, starting at $12.99 per month. WST App asks for nothing beyond the download.

WST App ships an update every 2 months, Pops Flow every 6 days. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | WST App | Pops Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 31 MB | 26 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Innov'Data](https://appshunter.io/developer/1560825213) | [ALAIN SIMAC](https://appshunter.io/developer/1839174950) |

## What reviewers say

### WST App

[App page](https://appshunter.io/ios/app/wst-app/id1511572881)

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

**In-app purchases:** none


### Pops Flow

[App page](https://appshunter.io/ios/app/pops-flow/id6803514636)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Performance Monthly | $12.99 | per month |
| Performance Yearly | $119.00 | per year |


## Frequently asked questions

### Is WST App free?

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

### Is Pops Flow free?

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

### Do WST App or Pops Flow have ads?

Neither WST App nor Pops Flow shows ads.

### Which is updated more often, WST App or Pops Flow?

WST App ships an update every 2 months, and Pops Flow every 6 days. Most recently, WST App was updated on November 3, 2026 and Pops Flow on November 10, 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.*