# PolyInvert vs Action Phrase

The clearest difference is ads: Action Phrase at none against PolyInvert's shown. PolyInvert's advantage is update cadence (daily vs monthly) and iOS requirement (17.0 vs 26.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. PolyInvert sells 1 one-off in-app purchase and Action Phrase sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

PolyInvert ships an update daily, Action Phrase monthly. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | PolyInvert | Action Phrase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/action-phrase-voice-control/id6759074340/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Monthly |
| Monetization | — | Freemium |
| Size | 8 MB | 27 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [ADAM MICHAEL OGDEN](https://appshunter.io/developer/1854648813) | [Adam Tow](https://appshunter.io/developer/376550492) |

## What reviewers say

### PolyInvert

[App page](https://appshunter.io/ios/app/polyinvert/id6755578020)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Action Phrase

[App page](https://appshunter.io/ios/app/action-phrase-voice-control/id6759074340)

Automate live production workflows with custom voice commands. Control scenes, cameras, graphics, and more without leaving your microphone. Ideal for podcasters, streamers, and event producers.

**Highlights:** Custom voice commands, Multi-step automations, Control OBS, vMix, ATEM, MIDI, OSC, Flexible phrase matching, Smart Mode for precision, Command library organization, Import/export setups

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Studio Monthly | $7.99 | per month |
| Studio Annual | $59.99 | per year |
| Action Phrase Core | $24.99 | one-time |


## Frequently asked questions

### Is PolyInvert free?

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

### Is Action Phrase free?

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

### Do PolyInvert or Action Phrase have ads?

PolyInvert shows ads; Action Phrase does not.

### Which is updated more often, PolyInvert or Action Phrase?

PolyInvert ships an update daily, and Action Phrase monthly. Most recently, PolyInvert was updated on October 7, 2026 and Action Phrase on October 13, 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.*