# Doc Citrus — AI Citrus Disease Identifier

> AI-powered citrus disease identification app with on-device machine learning. (iPhone/iPad app by Derek Hsieh.)

- Source: https://appshunter.io/ios/app/doc-citrus/id1506258866 (this page in markdown: same URL + `.md`)
- Developer: [Derek Hsieh](https://appshunter.io/developer/1506258865)
- Category: Utilities, Medical
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 13.1 · 62 MB
- Languages: English
- Released: 2020-04-14
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/doc-citrus/id1506258866/reviews.md

## What is Doc Citrus?

Doc Citrus identify citrus greening disease using on-device machine learning models within seconds. It also displays confidence rates returned after a decision is made by the machine learning model. Doc Citrus allows users to separate out tests that do not include citrus in photos, making the results of this app even more accurate. Users are given 2 options of inputting test images, through taking a picture with their device's camera and picking a taken photo from their Photo Library.

## Key features

- AI disease identification
- On-device machine learning
- Confidence rate display
- Image filtering for accuracy
- Camera and photo library input


## Frequently asked questions about Doc Citrus

### What is Doc Citrus?

Doc Citrus is a free utility app that uses on-device machine learning to identify citrus greening disease from photos. It provides confidence rates for its diagnoses and can filter out irrelevant images.

### How accurate is Doc Citrus?

The app displays confidence rates after each identification, allowing users to gauge the accuracy of the AI's decision. It also improves accuracy by allowing users to filter out photos that do not contain citrus.

### Can I use Doc Citrus offline?

Yes, Doc Citrus utilizes on-device machine learning models, meaning it can identify citrus diseases without an internet connection.

### What devices does Doc Citrus support?

Doc Citrus is available for iPhone and iPad devices, as indicated by its support for 'iphone', 'ipad', and 'ipod'.

### How often is Doc Citrus updated?

Doc Citrus was last updated on April 14, 2020, with version 1.0.0. Further updates would depend on the developer's release schedule.

### What is the age rating for Doc Citrus?

Doc Citrus has an age rating of 4+, making it suitable for a wide range of users.

### How do I input images into Doc Citrus?

You can input images into Doc Citrus by either taking a new picture directly with your device's camera or by selecting an existing photo from your device's Photo Library.

### Does Doc Citrus have ads?

The provided data does not specify whether Doc Citrus contains advertisements. Its monetization model is listed as free.

## Version history (last 1 release)

### 1.0.0 — 2020-04-14

No release notes.

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## More apps by Derek Hsieh

- [cFood - AI Calorie Tracker](https://appshunter.io/ios/app/cfood-ai-calorie-tracker/id1543577753)
- [sunny - minimalistic weather](https://appshunter.io/ios/app/sunny-minimalistic-weather/id1547568165)

All apps by Derek Hsieh: https://appshunter.io/developer/1506258865

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*