# FAC Maxima vs StringLab

The clearest difference is rating: FAC Maxima at 4.9 against StringLab's 4.3. FAC Maxima also leads on review sentiment (84% vs 57%) and price ($9.99 vs $14.99). StringLab's advantage is update cadence (every 10 days vs every 2 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

FAC Maxima costs $9.99 and StringLab $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FAC Maxima holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 67 and 14 respectively. Written reviews point the same way: 84% of FAC Maxima's written reviews are positive against 57% of StringLab's.

FAC Maxima ships an update every 2 months, StringLab every 10 days. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | FAC Maxima | StringLab |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | **[4.9 (67 ratings)](https://appshunter.io/ios/app/fac-maxima/id1323117302/reviews)** | [4.3 (14 ratings)](https://appshunter.io/ios/app/stringlab/id6461312318/reviews) |
| Number of ratings | **67** | 14 |
| Positive reviews | **84.4% of reviews** | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Paid | Paid |
| Size | 19 MB | 45 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Frederic Corvest](https://appshunter.io/developer/1230164765) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### FAC Maxima

[App page](https://appshunter.io/ios/app/fac-maxima/id1323117302)

This audio effect provides automatic gain control to keep audio levels consistent and prevent clipping. It offers both transparent signal boosting and significant level maximization with creative colorization. The app is versatile for mastering, individual tracks, and broadcasting applications.

**Highlights:** Automatic gain control, Level maximization, Transparent signal boost, Creative colorization, Mastering tool, Individual track processing, Real-time multi-waveform graph

**In-app purchases:** none


### StringLab

[App page](https://appshunter.io/ios/app/stringlab/id6461312318)

This app is a digital synthesizer that uses physical string modeling to recreate the sounds of various instruments, particularly plucked or hammered strings. It allows users to explore acoustic physics and create unique instrument textures through extensive parameter experimentation.

**Highlights:** Karplus-Strong physical modeling, Exciter Impact and Noise modes, Resonator objects with feedback, Frequency Dispersion support, External live input, Preset randomizer and manager, Drag & Drop preset export

**In-app purchases:** none


## Frequently asked questions

### Is FAC Maxima free?

FAC Maxima costs $9.99, with no in-app purchases.

### Is StringLab free?

StringLab costs $14.99, with no in-app purchases.

### Which has better reviews, FAC Maxima or StringLab?

FAC Maxima is rated higher. FAC Maxima averages 4.9 out of 5 from 67 ratings, while StringLab averages 4.3 from 14 ratings.

### Do FAC Maxima or StringLab have ads?

Neither FAC Maxima nor StringLab shows ads.

### Which is updated more often, FAC Maxima or StringLab?

FAC Maxima ships an update every 2 months, and StringLab every 10 days. Most recently, FAC Maxima was updated on October 2, 2026 and StringLab on October 3, 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.*