# InDigestion

> iOS app for in-silico protein digestion and analysis. (iPhone/iPad app by Koen van der Drift.)

- Source: https://appshunter.io/ios/app/indigestion/id719716705 (this page in markdown: same URL + `.md`)
- Developer: [Koen van der Drift](https://appshunter.io/developer/719628176)
- Category: Education
- Price: Free
- Rating: 4.40/5 from 7 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.6 · 4 MB
- Languages: American English, Dutch, French (France)
- Released: 2013-10-15
- Data updated: 2026-06-22
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/indigestion/id719716705/reviews.md

## What is InDigestion?

Voted Best Science App in Genetic Engineering and Biotechnology News: http://bit.ly/1KRZBdd

InDigestion is an easy to use iOS app to generate in-silico digestions of proteins that are downloaded from the UniProt database. Based on user defined conditions, InDigestion will calculate a list of peptides, including their isotopic profile and fragmentation. Additionally, the app provides detailed information on each protein, including the complete sequence with features, a hydropathy plot, references, notes and more.

## Key features

- In-silico protein digestion
- Peptide list generation
- Isotopic profile calculation
- Fragmentation analysis
- Detailed protein information
- Hydropathy plot

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/indigestion/id719716705/reviews.md

### 5/5 — Outstanding app.

*2021-12-06*

Every protein chemist should have it.

### 5/5 — Useful

*2013-10-16*

Design is great and app is simple yet can do so much.

### 5/5 — Cool app

*2013-10-15*

Looks great

### 5/5 — Great App!

*2013-10-14*

Beautiful interface, easy to use and educational! Must have for everyone!

## Frequently asked questions about InDigestion

### What is InDigestion used for?

InDigestion simulates in-silico digestion of proteins, calculating peptide lists, isotopic profiles, and fragmentation. It also offers detailed protein information like sequences and hydropathy plots.

### What kind of protein data does InDigestion use?

The app downloads protein data from the UniProt database, allowing for in-silico digestion based on user-defined conditions.

### What devices does InDigestion support?

InDigestion is available for iPhone and iPod devices, running on iOS.

### How often is InDigestion updated?

The app was last updated on September 3, 2022, with version 2.3.2. It was originally released on October 15, 2013.

### What is the age rating for InDigestion?

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

### Does InDigestion offer certifications for learning?

InDigestion is a tool for scientific analysis and does not offer certifications. Its primary function is to aid in protein digestion simulations and data analysis.

### How does InDigestion track user progress?

InDigestion focuses on in-silico analysis rather than tracking user learning progress. It provides results for protein digestion simulations.

### Does InDigestion have ads?

No, InDigestion does not contain advertisements. It is a free application without any ad interruptions.

## Version history (last 5 releases)

### 2.3.2 — 2022-09-03

* Various behind the scenes improvements and UI tweaks

### 2.3.1 — 2022-08-07

* Fixed version checking for new UniProt API

### 2.3 — 2022-08-03

* Fixed the title of the Digests table.

### 2.1.1 — 2022-07-28

Fixed a bug that could potentially crash the app when performing an in silico digest.

### 2.1 — 2022-07-21

* Updated for iOS 13
* Now also looks great in Dark Mode
* Overall code improvements and bug fixes

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## Related topics

[indigestion](https://appshunter.io/ios/topics/indigestion) · [ditgestion](https://appshunter.io/ios/topics/ditgestion)

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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 2026-06-22.*