# NotiDrop vs Allergy Diary

The clearest difference is in-app purchases: Allergy Diary at none against NotiDrop's 2. Allergy Diary also leads on ads (none vs shown) and update cadence (daily vs weekly). On price and device support there is nothing between them.

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

NotiDrop ships an update weekly, Allergy Diary daily. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | NotiDrop | Allergy Diary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 35 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MINSEO CHOI](https://appshunter.io/developer/1858475363) | [HeungYeol Kim](https://appshunter.io/developer/1878087341) |

## What reviewers say

### NotiDrop

[App page](https://appshunter.io/ios/app/notidrop/id6756093421)

Seamlessly forward Android notifications to your Apple devices in real-time. Reply to messages and manage calls from another device without opening the original app. Enhance your cross-device productivity.

**Highlights:** Real-time notification forwarding, Reply to KakaoTalk & SMS, Incoming call alerts, Check notifications without read receipts, Cross-device notification management, Do Not Disturb scheduling (PRO)

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

**In-app purchases (2)**

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


### Allergy Diary

[App page](https://appshunter.io/ios/app/allergy-diary-symptom-log/id6762033562)

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

**In-app purchases:** none


## Frequently asked questions

### Is NotiDrop free?

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

### Is Allergy Diary free?

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

### Do NotiDrop or Allergy Diary have ads?

NotiDrop shows ads; Allergy Diary does not.

### Which is updated more often, NotiDrop or Allergy Diary?

NotiDrop ships an update weekly, and Allergy Diary daily. Most recently, NotiDrop was updated on October 30, 2026 and Allergy Diary on November 5, 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.*