# StringKeeper vs AmpGate

The clearest difference is update cadence: StringKeeper at every 2 days against AmpGate's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

StringKeeper ships an update every 2 days, AmpGate every 3 weeks. The most recent releases landed on October 6, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | StringKeeper | AmpGate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ampgate/id6788570879/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 3 MB | 7 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Carleton](https://appshunter.io/developer/1094869901) | [MATTEO DEMETRIO ZANARDI](https://appshunter.io/developer/6788570881) |

## What reviewers say

### StringKeeper

[App page](https://appshunter.io/ios/app/stringkeeper/id6763860994)

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

**In-app purchases:** none


### AmpGate

[App page](https://appshunter.io/ios/app/ampgate/id6788570879)

This app provides a real-time amplifier simulator for mobile devices, featuring exact digital captures of real amplifiers and full rigs. It allows users to browse and audition a vast library of tones, load custom impulse responses, and import their own captures. It also functions as an AUv3 plugin for use in music production hosts.

**Highlights:** Real-time amp simulation, Vast tone library access, Cabinet section with IR loader, Noise gate and gain controls, Low-latency processing, AUv3 plugin compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is StringKeeper free?

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

### Is AmpGate free?

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

### Do StringKeeper or AmpGate have ads?

Neither StringKeeper nor AmpGate shows ads.

### Which is updated more often, StringKeeper or AmpGate?

StringKeeper ships an update every 2 days, and AmpGate every 3 weeks. Most recently, StringKeeper was updated on October 6, 2026 and AmpGate on September 23, 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.*