# Alien Box vs NFM

The clearest difference is review sentiment: NFM at 100% against Alien Box's 0%. NFM also leads on rating (4.9 vs 1.3) and update cadence (every 12 months vs every 38 months). Alien Box's advantage is price ($2.99 vs $4.99) and device support (3 vs 1). On ads, in-app purchases and monetization model there is nothing between them.

Alien Box costs $2.99 and NFM $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NFM holds the better App Store score, 4.9 against 1.3. That said, the two scores are not equally well evidenced: NFM has 34 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Alien Box's written reviews are positive against 100% of NFM's.

Alien Box ships an update every 38 months, NFM every 12 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | Alien Box | NFM |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| Rating | [1.3 (3 ratings)](https://appshunter.io/ios/app/alien-box/id1235647874/reviews) | **[4.9 (34 ratings)](https://appshunter.io/ios/app/nfm-auv3-fm-synth/id1247473972/reviews)** |
| Number of ratings | 3 | **34** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 12 months** |
| Monetization | Paid | Paid |
| Size | 10 MB | 3 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandar Mlazev](https://appshunter.io/developer/1093798140) | [Nikolozi Meladze](https://appshunter.io/developer/1612048764) |

## What reviewers say

### Alien Box

[App page](https://appshunter.io/ios/app/alien-box/id1235647874)

This audio effect plugin creates a unique sound with increased sustain and gentle, LFO-modulated vibes. It functions as an AUv3 effect for hosts like GarageBand or as a standalone app for real-time audio input processing.

**Highlights:** Unique sound enrichment, LFO modulated vibes, Complex resonator system, AUv3 plugin for hosts, Standalone app mode, Gain, Vibe, Depth, Reverb controls

**Features:** Vision Pro support

**In-app purchases:** none


### NFM

[App page](https://appshunter.io/ios/app/nfm-auv3-fm-synth/id1247473972)

This intuitive FM synthesizer works as an Audio Unit Extension plug-in for music production apps. It features six stereo operators, customizable algorithms, and built-in effects. Manage presets and precisely enter parameter values with a numeric pad.

**Highlights:** Six stereo operators, Customizable FM algorithm, Adjustable envelopes, Built-in effects (distortion, delay, flanger), Monophonic, polyphonic, legato, glide voice modes, Preset management with import/export, Numeric pad for precise parameter entry

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Alien Box free?

Alien Box costs $2.99, with no in-app purchases.

### Is NFM free?

NFM costs $4.99, with no in-app purchases.

### Which has better reviews, Alien Box or NFM?

NFM is rated higher. Alien Box averages 1.3 out of 5 from 3 ratings, while NFM averages 4.9 from 34 ratings.

### Do Alien Box or NFM have ads?

Neither Alien Box nor NFM shows ads.

### Which is updated more often, Alien Box or NFM?

Alien Box ships an update every 38 months, and NFM every 12 months. Most recently, Alien Box was updated on November 2, 2026 and NFM on November 2, 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.*