# The Phonetics 3D vs 步必记

The clearest difference is review sentiment: 步必记 at 100% against The Phonetics 3D's 52%. 步必记 also leads on price (Free vs $7.99) and rating (5.0 vs 3.2). The Phonetics 3D's advantage is in-app purchases (none vs 2) and ratings volume (9 vs 3). On update cadence, ads and device support there is nothing between them.

步必记 is free to download; The Phonetics 3D costs $7.99 up front. 步必记 sells 2 in-app purchases, starting at $11.00 per month. The Phonetics 3D asks for nothing beyond the download.

步必记 holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews point the same way: 52% of The Phonetics 3D's written reviews are positive against 100% of 步必记's.

The Phonetics 3D ships an update every 3 weeks, 步必记 every 2 weeks. The most recent releases landed on November 1, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | The Phonetics 3D | 步必记 |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [3.2 (9 ratings)](https://appshunter.io/ios/app/the-phonetics-3d/id841485989/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ai/id6474546585/reviews)** |
| Number of ratings | **9** | 3 |
| Positive reviews | 51.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Paid | **Freemium** |
| Size | 53 MB | 85 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fuminori Homma](https://appshunter.io/developer/841485992) | [HardwareOrigin, LLC](https://appshunter.io/developer/1122462671) |

## What reviewers say

### The Phonetics 3D

[App page](https://appshunter.io/ios/app/the-phonetics-3d/id841485989)

Visualize English pronunciation with realistic 3D graphics, detailing tongue position, airflow, and vocal cord vibration. Understand the mechanics of sounds, ideal for learners rebuilding pronunciation or those struggling with specific sounds.

**Highlights:** 3D visualization of phonemes, Detailed tongue and airflow explanations, Comparison of native vs. accented pronunciation, Coverage of commonly confused sounds, High-frequency vocabulary visualization, Slow and phoneme-by-phoneme playback

**Features:** Vision Pro support

**In-app purchases:** none


### 步必记

[App page](https://appshunter.io/ios/app/ai/id6474546585)

This comprehensive AI-powered platform offers a suite of tools for language learning. It includes features like translation, dictionaries, text-to-speech, pronunciation assessment, and AI coaching to meet all your language study needs.

**Highlights:** AI language coaching, Translation and dictionary, Text-to-speech (TTS), Pronunciation assessment, Grammar analysis, Flashcards and notes

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KaZuo.AI Monthly Membership | $11.00 | per month |
| KaZuo.AI Annual Membership | $119.00 | per year |


## Frequently asked questions

### Is The Phonetics 3D free?

The Phonetics 3D costs $7.99, with no in-app purchases.

### Is 步必记 free?

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

### Which has better reviews, The Phonetics 3D or 步必记?

步必记 is rated higher. The Phonetics 3D averages 3.2 out of 5 from 9 ratings, while 步必记 averages 5.0 from 3 ratings.

### Do The Phonetics 3D or 步必记 have ads?

Neither The Phonetics 3D nor 步必记 shows ads.

### Which is updated more often, The Phonetics 3D or 步必记?

The Phonetics 3D ships an update every 3 weeks, and 步必记 every 2 weeks. Most recently, The Phonetics 3D was updated on November 1, 2026 and 步必记 on October 20, 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.*