# ToneDetector Lite vs PVBridge Premium

The clearest difference is price: ToneDetector Lite at Free against PVBridge Premium's $0.99. PVBridge Premium's advantage is update cadence (every 4 months vs every 30 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ToneDetector Lite is free to download; PVBridge Premium costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ToneDetector Lite ships an update every 30 months, PVBridge Premium every 4 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ToneDetector Lite | PVBridge Premium |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tonedetector-lite/id550854681/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 28 MB | 13 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jian Cheng](https://appshunter.io/developer/495002823) | [Jianfeng Wu](https://appshunter.io/developer/1435210283) |

## What reviewers say

### ToneDetector Lite

[App page](https://appshunter.io/ios/app/tonedetector-lite/id550854681)

Practice and master Mandarin Chinese tones with instant visual feedback. Compare your pronunciation's pitch contours to sample sounds to improve accuracy and reduce accent.

**Highlights:** Instant tone contour detection, Visual pitch shape comparison, Practice Mandarin tonal syllables, Covers hundreds of base and tonal syllables, Assess tone perception ability, Sample sounds for comparison

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

**In-app purchases:** none


### PVBridge Premium

[App page](https://appshunter.io/ios/app/pvbridge-premium/id6748922538)

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

**In-app purchases:** none


## Frequently asked questions

### Is ToneDetector Lite free?

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

### Is PVBridge Premium free?

PVBridge Premium costs $0.99, with no in-app purchases.

### Do ToneDetector Lite or PVBridge Premium have ads?

Neither ToneDetector Lite nor PVBridge Premium shows ads.

### Which is updated more often, ToneDetector Lite or PVBridge Premium?

ToneDetector Lite ships an update every 30 months, and PVBridge Premium every 4 months. Most recently, ToneDetector Lite was updated on October 30, 2026 and PVBridge Premium on October 25, 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.*