# Acupuncture3D vs Chrono

The clearest difference is rating: Chrono at 5.0 against Acupuncture3D's 3.5. Chrono also leads on update cadence (every 3 months vs every 8 months) and ratings volume (8 vs 2). Acupuncture3D's advantage is monetization model (free vs ad-supported) and iOS requirement (7.0 vs 15.1). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chrono holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews point the same way: 75% of Acupuncture3D's written reviews are positive against 76% of Chrono's.

Acupuncture3D ships an update every 8 months, Chrono every 3 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Acupuncture3D | Chrono |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/acupuncture3d/id952417876/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/chrono-acupuncture-lite/id1116574085/reviews)** |
| Number of ratings | 2 | **8** |
| Positive reviews | 75.0% of reviews | **76.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | **Free** | Ad-supported |
| Size | 445 MB | 44 MB |
| Requires iOS | **7.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Lien Le Nedelec](https://appshunter.io/developer/1177119546) | [Cheng-Ta Hsieh](https://appshunter.io/developer/1111361894) |

## What reviewers say

### Acupuncture3D

[App page](https://appshunter.io/ios/app/acupuncture3d/id952417876)

Explore a detailed 3D human anatomy model to learn acupuncture points, their locations, functions, and therapeutic indications. Access pronunciation guides, pathology files, and personal note-taking features. Supports multiple nomenclature systems and languages.

**Highlights:** Interactive 3D anatomy model, Acupuncture point details, Channel visualization, Chinese pronunciation audio, Pathology and syndrome files, Personal note-taking, Multiple nomenclature systems

**Features:** macOS Compatibility

**In-app purchases:** none


### Chrono

[App page](https://appshunter.io/ios/app/chrono-acupuncture-lite/id1116574085)

This app calculates principle acupuncture points based on the time of day. It supports several established chrono-acupuncture methods for both practitioners and health-conscious individuals.

**Highlights:** Calculates principle acupuncture points, Supports LingGuiBaFa method, Supports FeiTengBaFa method, Supports ZiWuLiuZhuNaZiFa method, Supports ZiWuLiuZhuNaJiaFa method, Supports 1-4-2-5-3-0 Method

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

**In-app purchases:** none


## Frequently asked questions

### Is Acupuncture3D free?

Acupuncture3D is free to download, with no in-app purchases.

### Is Chrono free?

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

### Which has better reviews, Acupuncture3D or Chrono?

Chrono is rated higher. Acupuncture3D averages 3.5 out of 5 from 2 ratings, while Chrono averages 5.0 from 8 ratings.

### Do Acupuncture3D or Chrono have ads?

Neither Acupuncture3D nor Chrono shows ads.

### Which is updated more often, Acupuncture3D or Chrono?

Acupuncture3D ships an update every 8 months, and Chrono every 3 months. Most recently, Acupuncture3D was updated on October 24, 2026 and Chrono on October 26, 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.*