# EpiDiary vs Epistemic App

The clearest difference is in-app purchases: EpiDiary at none against Epistemic App's 2. EpiDiary also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Epistemic App sells 2 in-app purchases, starting at $22.99 per year. EpiDiary asks for nothing beyond the download.

EpiDiary ships an update fortnightly, Epistemic App every 2 months. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | EpiDiary | Epistemic App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (47 ratings)](https://appshunter.io/ios/app/epidiary/id362460642/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 129 MB | 39 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Irody Inc.](https://appshunter.io/developer/362460645) | [GOMEZ & GOMEZ LTDA](https://appshunter.io/developer/1707770134) |

## What reviewers say

### EpiDiary

[App page](https://appshunter.io/ios/app/epidiary/id362460642)

This app helps individuals with epilepsy track seizures, medications, and symptoms. It features visual medication management and allows for detailed recording of moods, triggers, and side effects. Data syncs to a web platform for personalized reports to share with healthcare providers.

**Highlights:** Record and monitor seizures, Track epilepsy medications, Record triggers and side effects, Visual medication management, Generate personalized reports, Sync data to web platform

**Features:** macOS Compatibility

**In-app purchases:** none


### Epistemic App

[App page](https://appshunter.io/ios/app/epistemic-app/id6468081810)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +Control | $22.99 | per year |
| +Control | $29.90 | per month |


## Frequently asked questions

### Is EpiDiary free?

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

### Is Epistemic App free?

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

### Do EpiDiary or Epistemic App have ads?

Neither EpiDiary nor Epistemic App shows ads.

### Which is updated more often, EpiDiary or Epistemic App?

EpiDiary ships an update fortnightly, and Epistemic App every 2 months. Most recently, EpiDiary was updated on October 23, 2026 and Epistemic App on October 7, 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.*