# AVPU Audit vs TuningForkPlus

The clearest difference is in-app purchases: AVPU Audit at none against TuningForkPlus's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TuningForkPlus sells 3 in-app purchases, starting at $0.99 per month. AVPU Audit asks for nothing beyond the download.

AVPU Audit ships an update every 2 months, TuningForkPlus every 3 months. The most recent releases landed on September 18, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | AVPU Audit | TuningForkPlus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tuningforkplus/id6751743458/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Freemium |
| Size | 31 MB | 3 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cortexia SA](https://appshunter.io/developer/1463563853) | [丽俨 龚](https://appshunter.io/developer/1816613061) |

## What reviewers say

### AVPU Audit

[App page](https://appshunter.io/ios/app/avpu-audit/id1496110496)

**Features:** macOS Compatibility

**In-app purchases:** none


### TuningForkPlus

[App page](https://appshunter.io/ios/app/tuningforkplus/id6751743458)

Generate fundamental audio waveforms like sine, square, triangle, and sawtooth with precise control over frequency, amplitude, phase, and harmonics. Export high-quality audio for music production, sound design, and acoustic testing.

**Highlights:** Sine, square, triangle, sawtooth wave generation, Precise frequency control (A4 standard, custom Hz), Amplitude, phase, and multi-harmonic overlay, Real-time complex sound synthesis, High-quality audio export, Music production and sound design tool

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $5.99 | per year |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is AVPU Audit free?

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

### Is TuningForkPlus free?

TuningForkPlus is free to download, with in-app purchases available.

### Do AVPU Audit or TuningForkPlus have ads?

Neither AVPU Audit nor TuningForkPlus shows ads.

### Which is updated more often, AVPU Audit or TuningForkPlus?

AVPU Audit ships an update every 2 months, and TuningForkPlus every 3 months. Most recently, AVPU Audit was updated on September 18, 2026 and TuningForkPlus on June 1, 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.*