# ReadyVax vs MEDHotline

The clearest difference is update cadence: MEDHotline at every 6 months against ReadyVax's every 25 months. MEDHotline also leads on iOS requirement (12.2 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReadyVax ships an update every 25 months, MEDHotline every 6 months. The most recent releases landed on September 14, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | ReadyVax | MEDHotline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/readyvax/id957851259/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 19 MB | 3 MB |
| Requires iOS | 14.0 | **12.2** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Emory University](https://appshunter.io/developer/387102326) | [LifeGuard Global Inc.](https://appshunter.io/developer/1060701210) |

## What reviewers say

### ReadyVax

[App page](https://appshunter.io/ios/app/readyvax/id957851259)

Provides up-to-date, evidence-based information on vaccines and vaccination schedules. Designed for both healthcare professionals and general users, it offers customizable data views and real-time alerts for important updates.

**Highlights:** Up-to-date vaccine recommendations, Vaccine safety profiles, Disease prevention information, Real-time alerts and updates, Customizable data presentation, Offline access to information

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

**In-app purchases:** none


### MEDHotline

[App page](https://appshunter.io/ios/app/medhotline/id1060701397)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ReadyVax free?

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

### Is MEDHotline free?

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

### Do ReadyVax or MEDHotline have ads?

Neither ReadyVax nor MEDHotline shows ads.

### Which is updated more often, ReadyVax or MEDHotline?

ReadyVax ships an update every 25 months, and MEDHotline every 6 months. Most recently, ReadyVax was updated on September 14, 2026 and MEDHotline on May 16, 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.*