# Alcon vs AllergyNote

The clearest difference is update cadence: AllergyNote at daily against Alcon's every 44 months. 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.

Alcon ships an update every 44 months, AllergyNote daily. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Alcon | AllergyNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Daily** |
| Size | 15 MB | 67 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Kaito Kudo](https://appshunter.io/developer/1571071419) | [Seiji Takehara](https://appshunter.io/developer/1697433841) |

## What reviewers say

### Alcon

[App page](https://appshunter.io/ios/app/alcon/id1571071417)

**Features:** macOS Compatibility

**In-app purchases:** none


### AllergyNote

[App page](https://appshunter.io/ios/app/allergynote/id6451404630)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Alcon free?

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

### Is AllergyNote free?

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

### Do Alcon or AllergyNote have ads?

Neither Alcon nor AllergyNote shows ads.

### Which is updated more often, Alcon or AllergyNote?

Alcon ships an update every 44 months, and AllergyNote daily. Most recently, Alcon was updated on September 17, 2026 and AllergyNote on September 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*