# PSA1000 vs Composer Lab

The clearest difference is price: PSA1000 at $9.99 against Composer Lab's $17.99. PSA1000 also leads on ratings volume (10 vs 2) and iOS requirement (15 vs 18.2). Composer Lab's advantage is update cadence (every 3 days vs every 17 months). On rating, review sentiment, ads and in-app purchases there is nothing between them.

PSA1000 costs $9.99 and Composer Lab $17.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for PSA1000 against 5.0 for Composer Lab. That said, the two scores are not equally well evidenced: PSA1000 has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

PSA1000 ships an update every 17 months, Composer Lab every 3 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PSA1000 | Composer Lab |
| --- | --- | --- |
| Price | **$9.99** | $17.99 |
| Rating | [5.0 (10 ratings)](https://appshunter.io/ios/app/psa1000/id1498483020/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/composer-lab/id6744673208/reviews) |
| Number of ratings | **10** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 days** |
| Monetization | Paid | Paid |
| Size | 22 MB | 49 MB |
| Requires iOS | **15** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nembrini Audio](https://appshunter.io/developer/1493296895) | [笑一 杨](https://appshunter.io/developer/1808689646) |

## What reviewers say

### PSA1000

[App page](https://appshunter.io/ios/app/psa1000/id1498483020)

This audio plugin emulates a classic '90s analog guitar preamp, offering rich saturation for various instruments and mix processing. It features independent channel controls, stereo widening, and phase manipulation for modern versatility.

**Highlights:** Analog saturation emulation, Independent left/right channel controls, Dry/Wet mix knob, Mid/Side processing, Stereo widening circuit, Phase Reverse switch

**Features:** Vision Pro support

**In-app purchases:** none


### Composer Lab

[App page](https://appshunter.io/ios/app/composer-lab/id6744673208)

Explore harmonic structures, scales, and microtonal tuning systems. This app offers tools for organizing pitch material, crafting custom tunings, and managing rhythmic units for songwriting and composition.

**Highlights:** Harmonic structure exploration, Custom tuning system creation, Rhythmic unit management, Microtonal scale playback, DAW file export (.scl, .tun), Pitch set theory principles

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

**In-app purchases:** none


## Frequently asked questions

### Is PSA1000 free?

PSA1000 costs $9.99, with no in-app purchases.

### Is Composer Lab free?

Composer Lab costs $17.99, with no in-app purchases.

### Which has better reviews, PSA1000 or Composer Lab?

PSA1000 and Composer Lab are both rated 5.0 out of 5 on the App Store, from 10 and 2 ratings respectively.

### Do PSA1000 or Composer Lab have ads?

Neither PSA1000 nor Composer Lab shows ads.

### Which is updated more often, PSA1000 or Composer Lab?

PSA1000 ships an update every 17 months, and Composer Lab every 3 days. Most recently, PSA1000 was updated on November 7, 2026 and Composer Lab on November 5, 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.*