# TestTone vs Ampz

The clearest difference is price: TestTone at $1.99 against Ampz's $9.99. TestTone also leads on iOS requirement (15.6 vs 18.0). Ampz's advantage is update cadence (weekly vs every 5 months). On ads, in-app purchases and device support there is nothing between them.

TestTone costs $1.99 and Ampz $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TestTone ships an update every 5 months, Ampz weekly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TestTone | Ampz |
| --- | --- | --- |
| Price | **$1.99** | $9.99 |
| Rating | — | **[4.5 (4 ratings)](https://appshunter.io/ios/app/ampz-neural-amp-modeler/id6761513571/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | — | Paid |
| Size | 8 MB | 59 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [HTLab](https://appshunter.io/developer/384289233) | [LNH Enterprises LLC](https://appshunter.io/developer/1890087840) |

## What reviewers say

### TestTone

[App page](https://appshunter.io/ios/app/testtone/id384289230)

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

**In-app purchases:** none


### Ampz

[App page](https://appshunter.io/ios/app/ampz-neural-amp-modeler/id6761513571)

This app offers ultra-low latency guitar amp modeling on iOS, functioning as a standalone app or an AUv3 plugin. It supports custom neural network models and includes a comprehensive effects chain, preset system, and practice tools.

**Highlights:** Native NAM processing, Ultra-low latency, 10-slot effects chain, 100-slot preset system, IR loader, Chromatic tuner, MIDI control, Drum machine and looper

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

**In-app purchases:** none


## Frequently asked questions

### Is TestTone free?

TestTone costs $1.99, with no in-app purchases.

### Is Ampz free?

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

### Do TestTone or Ampz have ads?

Neither TestTone nor Ampz shows ads.

### Which is updated more often, TestTone or Ampz?

TestTone ships an update every 5 months, and Ampz weekly. Most recently, TestTone was updated on November 1, 2026 and Ampz on October 31, 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.*