# Dr. Thump Pro vs Pho Mai

The clearest difference is price: Pho Mai at Free against Dr. Thump Pro's $1.99. Pho Mai also leads on update cadence (every 14 months vs every 39 months) and device support (3 vs 1). Dr. Thump Pro's advantage is rating (5.0 vs 1.0) and ratings volume (4 vs 1). On ads and in-app purchases there is nothing between them.

Pho Mai is free to download; Dr. Thump Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dr. Thump Pro holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Dr. Thump Pro ships an update every 39 months, Pho Mai every 14 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Dr. Thump Pro | Pho Mai |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/dr-thump-pro/id6451497636/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/pho-mai/id6746808392/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 14 months** |
| Monetization | Paid | — |
| Size | 40 MB | 76 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Cornelius](https://appshunter.io/developer/1698567948) | [Pho Mai](https://appshunter.io/developer/1818603230) |

## What reviewers say

### Dr. Thump Pro

[App page](https://appshunter.io/ios/app/dr-thump-pro/id6451497636)

This app analyzes the sound of thumping a watermelon, combined with its size, to predict its sweetness level on a brix scale. It aims to help users select quality watermelons and avoid bitter ones before purchasing.

**Highlights:** Predicts watermelon sweetness, Uses sound and size analysis, Displays sweetness on brix scale, Helps avoid bitter watermelons, Includes tutorial video

**Features:** Vision Pro support

**In-app purchases:** none


### Pho Mai

[App page](https://appshunter.io/ios/app/pho-mai/id6746808392)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dr. Thump Pro free?

Dr. Thump Pro costs $1.99, with no in-app purchases.

### Is Pho Mai free?

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

### Which has better reviews, Dr. Thump Pro or Pho Mai?

Dr. Thump Pro is rated higher. Dr. Thump Pro averages 5.0 out of 5 from 4 ratings, while Pho Mai averages 1.0 from 1 ratings.

### Do Dr. Thump Pro or Pho Mai have ads?

Neither Dr. Thump Pro nor Pho Mai shows ads.

### Which is updated more often, Dr. Thump Pro or Pho Mai?

Dr. Thump Pro ships an update every 39 months, and Pho Mai every 14 months. Most recently, Dr. Thump Pro was updated on October 24, 2026 and Pho Mai on October 30, 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.*