# Disease Guide.. vs VitalContext

The clearest difference is in-app purchases: VitalContext at none against Disease Guide..'s 4. VitalContext also leads on ads (none vs shown). Disease Guide..'s advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price and update cadence there is nothing between them.

Both are free to download. Disease Guide.. sells 4 in-app purchases, starting at $2.99 per month. VitalContext asks for nothing beyond the download.

Disease Guide.. ships an update every 3 weeks, VitalContext every 6 weeks. The most recent releases landed on October 7, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Disease Guide.. | VitalContext |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 196 MB | 3 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Olga Ivanova](https://appshunter.io/developer/1733570435) | [Jingling Zhu](https://appshunter.io/developer/1632188995) |

## What reviewers say

### Disease Guide..

[App page](https://appshunter.io/ios/app/disease-guide/id6670185689)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| en-au | $2.99 | per month |
| en-au | $2.99 | one-time |
| en-au | $5.99 | one-time |
| en-au | $59.99 | one-time |


### VitalContext

[App page](https://appshunter.io/ios/app/vitalcontext/id6758859542)

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

**In-app purchases:** none


## Frequently asked questions

### Is Disease Guide.. free?

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

### Is VitalContext free?

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

### Do Disease Guide.. or VitalContext have ads?

Disease Guide.. shows ads; VitalContext does not.

### Which is updated more often, Disease Guide.. or VitalContext?

Disease Guide.. ships an update every 3 weeks, and VitalContext every 6 weeks. Most recently, Disease Guide.. was updated on October 7, 2026 and VitalContext on October 20, 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.*