# Loggregate vs Allergy Diary

The clearest difference is in-app purchases: Loggregate at none against Allergy Diary's 1. Loggregate also leads on iOS requirement (17.5 vs 26.1). Allergy Diary's advantage is update cadence (every 5 weeks vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. Allergy Diary sells 1 one-off in-app purchase. Loggregate asks for nothing beyond the download.

Loggregate ships an update every 9 months, Allergy Diary every 5 weeks. The most recent releases landed on October 20, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Loggregate | Allergy Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 weeks** |
| Size | 4 MB | 1 MB |
| Requires iOS | **17.5** | 26.1 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robin Stecher](https://appshunter.io/developer/1765424003) | [Hassan Dofil](https://appshunter.io/developer/1819960809) |

## What reviewers say

### Loggregate

[App page](https://appshunter.io/ios/app/loggregate/id6670226535)

**Features:** macOS Compatibility

**In-app purchases:** none


### Allergy Diary

[App page](https://appshunter.io/ios/app/allergy-diary/id6757595636)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Allergy Diary | $4.99 | one-time |


## Frequently asked questions

### Is Loggregate free?

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

### Is Allergy Diary free?

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

### Do Loggregate or Allergy Diary have ads?

Neither Loggregate nor Allergy Diary shows ads.

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

Loggregate ships an update every 9 months, and Allergy Diary every 5 weeks. Most recently, Loggregate was updated on October 20, 2026 and Allergy Diary on September 29, 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.*