# HepCalc vs TapGI

The clearest difference is in-app purchases: HepCalc at none against TapGI's 2. TapGI's advantage is update cadence (every 3 weeks vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. TapGI sells 2 in-app purchases, starting at $19.99 per month. HepCalc asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for HepCalc against 5.0 for TapGI. Both are backed by a comparable volume of ratings — 9 and 5 respectively.

HepCalc ships an update every 2 months, TapGI every 3 weeks. The most recent releases landed on June 1, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | HepCalc | TapGI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (9 ratings)](https://appshunter.io/ios/app/hepcalc/id586813135/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/tapgi/id6780684897/reviews) |
| Number of ratings | **9** | 5 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 245 MB |
| Requires iOS | 17.5 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Gary Poleynard MD](https://appshunter.io/developer/586813138) | [TapMedical LLC](https://appshunter.io/developer/1881187695) |

## What reviewers say

### HepCalc

[App page](https://appshunter.io/ios/app/hepcalc/id586813135)

This medical app provides a comprehensive suite of liver-related calculators, web links, and clinical notes. It preserves entry data across calculators and allows for customization of web links and notes, making it a valuable tool for clinicians managing liver disease.

**Highlights:** Liver-related calculators, Preserves entry data, Customizable web links, Editable clinical notes, U.S. - SI units conversion, Integrated web references

**Features:** macOS Compatibility

**In-app purchases:** none


### TapGI

[App page](https://appshunter.io/ios/app/tapgi/id6780684897)

Prepare for gastroenterology board exams with a structured daily study plan. Access flashcards, practice questions, clinical cases, and an atlas to build knowledge and track your progress. Study offline with core content and optional iCloud backups.

**Highlights:** Daily study plan based on exam date, Spaced repetition flashcards, Board-style multiple-choice questions, Multi-step clinical case studies, GI Atlas with topic guides and images, Progress tracking and mastery assessment, Offline study with core content

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TapGI Pro Monthly | $19.99 | per month |
| TapGI Pro Yearly | $199.99 | per year |


## Frequently asked questions

### Is HepCalc free?

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

### Is TapGI free?

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

### Which has better reviews, HepCalc or TapGI?

HepCalc and TapGI are both rated 5.0 out of 5 on the App Store, from 9 and 5 ratings respectively.

### Do HepCalc or TapGI have ads?

Neither HepCalc nor TapGI shows ads.

### Which is updated more often, HepCalc or TapGI?

HepCalc ships an update every 2 months, and TapGI every 3 weeks. Most recently, HepCalc was updated on June 1, 2026 and TapGI on September 18, 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.*