# Maelstrom vs ThruFlow

The clearest difference is update cadence: ThruFlow at weekly against Maelstrom's every 8 months. ThruFlow also leads on device support (4 vs 2). Maelstrom's advantage is iOS requirement (15.1 vs 17.0). On price, 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.

Maelstrom ships an update every 8 months, ThruFlow weekly. The most recent releases landed on October 9, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Maelstrom | ThruFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Size | 32 MB | 16 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Richard Helm](https://appshunter.io/developer/1763890605) | [EDUARD SHCHIGOLEV](https://appshunter.io/developer/6798609193) |

## What reviewers say

### Maelstrom

[App page](https://appshunter.io/ios/app/maelstrom-routine-builder/id6649161353)

**Features:** macOS Compatibility

**In-app purchases:** none


### ThruFlow

[App page](https://appshunter.io/ios/app/thruflow/id6798609191)

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

**In-app purchases:** none


## Frequently asked questions

### Is Maelstrom free?

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

### Is ThruFlow free?

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

### Do Maelstrom or ThruFlow have ads?

Neither Maelstrom nor ThruFlow shows ads.

### Which is updated more often, Maelstrom or ThruFlow?

Maelstrom ships an update every 8 months, and ThruFlow weekly. Most recently, Maelstrom was updated on October 9, 2026 and ThruFlow on October 20, 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.*