# Immunization Log vs Medical Data

The clearest difference is price: Medical Data at Free against Immunization Log's $0.99. Medical Data also leads on update cadence (monthly vs every 60 months) and iOS requirement (12.0 vs 15.0). Immunization Log's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support there is nothing between them.

Medical Data is free to download; Immunization Log costs $0.99 up front. Medical Data sells 3 in-app purchases, starting at $4.99 per month. Immunization Log asks for nothing beyond the download.

Immunization Log ships an update every 60 months, Medical Data monthly. The most recent releases landed on September 15, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Immunization Log | Medical Data |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/immunization-log/id1146283622/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 60 months | **Monthly** |
| Monetization | Free | — |
| Size | 16 MB | 37 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Manu Gupta](https://appshunter.io/developer/806110625) | [Ali Uzunoglu](https://appshunter.io/developer/1487954158) |

## What reviewers say

### Immunization Log

[App page](https://appshunter.io/ios/app/immunization-log/id1146283622)

Easily track your children's vaccination records with this app. It allows you to save details like vaccine type, dates, and next doses, and customize the list to fit your child's specific needs. Records can be emailed, saved locally, or printed.

**Highlights:** Track vaccination records, Save vaccine details, Customize vaccine list, Maintain multiple records, Email, save, or print records, Computer keyboard data entry

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

**In-app purchases:** none


### Medical Data

[App page](https://appshunter.io/ios/app/medical-data/id1487954159)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $4.99 | per month |
| 6 Months Subscription | $23.99 | per 6 months |
| 12 Months Subscription | $50.99 | per year |


## Frequently asked questions

### Is Immunization Log free?

Immunization Log costs $0.99, with no in-app purchases.

### Is Medical Data free?

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

### Do Immunization Log or Medical Data have ads?

Medical Data shows ads; Immunization Log does not.

### Which is updated more often, Immunization Log or Medical Data?

Immunization Log ships an update every 60 months, and Medical Data monthly. Most recently, Immunization Log was updated on September 15, 2026 and Medical Data on September 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.*