# Allergy Force vs Yayday!

The clearest difference is rating: Yayday! at 4.5 against Allergy Force's 3.0. Yayday! also leads on in-app purchases (none vs 3) and update cadence (every 3 weeks vs every 3 months). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Allergy Force sells 2 in-app purchases, starting at $1.99 per month. Yayday! asks for nothing beyond the download.

Yayday! holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 15 and 36 respectively. Written reviews point the same way: 67% of Allergy Force's written reviews are positive against 80% of Yayday!'s.

Allergy Force ships an update every 3 months, Yayday! every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Allergy Force | Yayday! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (15 ratings)](https://appshunter.io/ios/app/allergy-force/id1183329036/reviews) | **[4.5 (36 ratings)](https://appshunter.io/ios/app/yayday/id1570404055/reviews)** |
| Number of ratings | 15 | **36** |
| Positive reviews | 66.7% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 42 MB | 82 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Allergy Force, LLC](https://appshunter.io/developer/1183329035) | [Free Birthday Fun, LLC](https://appshunter.io/developer/1443450570) |

## What reviewers say

### Allergy Force

[App page](https://appshunter.io/ios/app/allergy-force/id1183329036)

This app helps individuals and families manage food allergies by providing tools for grocery shopping, dining out, and emergency preparedness. It offers features like food scanning, multilingual allergy explanations, medication reminders, and emergency contact alerts, fostering a supportive community.

**Highlights:** Food Scan and Search for grocery shopping, Multilingual Restaurant Allergy Explanation, Epinephrine Injector Reminder, Medication Expiration Alerts, Allergy-Friendly Recipe Search, Emergency Response Guide, Hospital and Pharmacy Finder

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription Plan | $1.99 | per month |
| Yearly Subscription Plan | $19.99 | per year |


### Yayday!

[App page](https://appshunter.io/ios/app/yayday/id1570404055)

Discover local birthday deals, happy hours, and daily specials. Save your favorites and get birthday reminders. Share moments with friends in a social feed.

**Highlights:** Birthday deals nationwide, Happy hour finder, Special deal aggregation, General discounts, Birthday reminders, Wishlists, Social feed

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Allergy Force free?

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

### Is Yayday! free?

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

### Which has better reviews, Allergy Force or Yayday!?

Yayday! is rated higher. Allergy Force averages 3.0 out of 5 from 15 ratings, while Yayday! averages 4.5 from 36 ratings.

### Do Allergy Force or Yayday! have ads?

Both Allergy Force and Yayday! show ads.

### Which is updated more often, Allergy Force or Yayday!?

Allergy Force ships an update every 3 months, and Yayday! every 3 weeks. Most recently, Allergy Force was updated on October 24, 2026 and Yayday! on October 24, 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.*