# ab Phaser X vs MONSTR

The clearest difference is price: MONSTR at $1.99 against ab Phaser X's $5.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ab Phaser X costs $5.99 and MONSTR $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ab Phaser X | MONSTR |
| --- | --- | --- |
| Price | $5.99 | **$1.99** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ab-phaser-x/id6469461420/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Monetization | Paid | — |
| Size | 8 MB | 8 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alejandro Cabrera Zuniga](https://appshunter.io/developer/1660382836) | [Jack Devlin](https://appshunter.io/developer/1697186780) |

## What reviewers say

### ab Phaser X

[App page](https://appshunter.io/ios/app/ab-phaser-x/id6469461420)

This music app offers a versatile phase modulator with 2 to 12 stages. Customize sweeps with controls for rate, depth, frequency, and feedback. Adjust loudness and blend for your final sound.

**Highlights:** 2 to 12 stage phase modulation, Rate control (DAW sync or 0.001Hz-10Hz), Depth, Frequency, and Feedback controls, Gain and Mix controls for loudness and blend

**Features:** Vision Pro support

**In-app purchases:** none


### MONSTR

[App page](https://appshunter.io/ios/app/monstr/id6749466088)

**In-app purchases:** none


## Frequently asked questions

### Is ab Phaser X free?

ab Phaser X costs $5.99, with no in-app purchases.

### Is MONSTR free?

MONSTR costs $1.99, with no in-app purchases.

### Do ab Phaser X or MONSTR have ads?

Neither ab Phaser X nor MONSTR shows ads.

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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.*