# EP vs Ispin Saturator

The clearest difference is in-app purchases: Ispin Saturator at none against EP's 1. Ispin Saturator also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. EP sells 1 one-off in-app purchase. Ispin Saturator asks for nothing beyond the download.

EP ships an update monthly, Ispin Saturator every 2 weeks. The most recent releases landed on September 17, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | EP | Ispin Saturator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 16 MB | 14 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Photon Consulting Limited](https://appshunter.io/developer/6778625337) | [Tom Power](https://appshunter.io/developer/1629402664) |

## What reviewers say

### EP

[App page](https://appshunter.io/ios/app/ep-patchstudio/id6778625335)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EP-PatchStudio Pro | $24.99 | one-time |


### Ispin Saturator

[App page](https://appshunter.io/ios/app/ispin-saturator/id6795596044)

Enhance your audio tracks with a versatile saturation effect. Add warmth, grit, and distortion with simple controls. Includes presets and the ability to save your own.

**Highlights:** Adds weight, warmth, and grit, Compression and glue effects, Full distortion capabilities, Four intuitive controls, Adjustable harmonic color, Waveform distortion for edge, Output trim and bypass, Includes six presets

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EP free?

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

### Is Ispin Saturator free?

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

### Do EP or Ispin Saturator have ads?

Neither EP nor Ispin Saturator shows ads.

### Which is updated more often, EP or Ispin Saturator?

EP ships an update monthly, and Ispin Saturator every 2 weeks. Most recently, EP was updated on September 17, 2026 and Ispin Saturator on September 27, 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.*