# Pi Epsilon vs MLX

The clearest difference is in-app purchases: Pi Epsilon at none against MLX's 1. Pi Epsilon also leads on iOS requirement (15.0 vs 26.2). MLX's advantage is update cadence (every 3 weeks vs every 6 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. MLX sells 1 one-off in-app purchase. Pi Epsilon asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Pi Epsilon against 5.0 for MLX. Both are backed by a comparable volume of ratings — 5 and 9 respectively.

Pi Epsilon ships an update every 6 months, MLX every 3 weeks. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Pi Epsilon | MLX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/pi-epsilon/id1594236510/reviews) | [5.0 (9 ratings)](https://appshunter.io/ios/app/mlx-serve/id6787603518/reviews) |
| Number of ratings | 5 | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 147 MB | 211 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Chesapeake International Consulting, LLC](https://appshunter.io/developer/1589725776) | [David Dalcu](https://appshunter.io/developer/367949221) |

## What reviewers say

### Pi Epsilon

[App page](https://appshunter.io/ios/app/pi-epsilon/id1594236510)

A decentralized, anonymous, and end-to-end encrypted communication platform offering voice, text, video, and group calls. It provides robust security features and full user control over the server environment, bypassing third-party providers.

**Highlights:** Decentralized and anonymous communication, End-to-end encryption, Voice, text, and video calls, Group video conferencing, User-controlled server hosting, Decoy obfuscation tools

**Features:** macOS Compatibility

**In-app purchases:** none


### MLX

[App page](https://appshunter.io/ios/app/mlx-serve/id6787603518)

This AI studio runs entirely on your device, processing conversations, voice recordings, and generated images locally. It offers hands-free calling, voice cloning, and image generation without any account creation, subscriptions, or tracking.

**Highlights:** On-device AI processing, Hands-free voice calls, Personalized voice cloning, Text-to-image generation, Offline model functionality, No account or tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Music Generation | $4.99 | one-time |


## Frequently asked questions

### Is Pi Epsilon free?

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

### Is MLX free?

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

### Which has better reviews, Pi Epsilon or MLX?

Pi Epsilon and MLX are both rated 5.0 out of 5 on the App Store, from 5 and 9 ratings respectively.

### Do Pi Epsilon or MLX have ads?

Neither Pi Epsilon nor MLX shows ads.

### Which is updated more often, Pi Epsilon or MLX?

Pi Epsilon ships an update every 6 months, and MLX every 3 weeks. Most recently, Pi Epsilon was updated on October 24, 2026 and MLX on October 9, 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.*