# Smart HandWash vs Allergy Log

The clearest difference is in-app purchases: Smart HandWash at none against Allergy Log's 4. Smart HandWash also leads on ads (none vs shown) and iOS requirement (12.2 vs 16.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Allergy Log sells 4 in-app purchases, starting at $3.99 per 7 days. Smart HandWash asks for nothing beyond the download.

Smart HandWash ships an update every 2 weeks, Allergy Log every 3 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Smart HandWash | Allergy Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/allergy-log-intolerance-diary/id6738300083/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 87 MB |
| Requires iOS | **12.2** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Innovation Factory Limited](https://appshunter.io/developer/915950101) | [OriginX](https://appshunter.io/developer/1725593771) |

## What reviewers say

### Smart HandWash

[App page](https://appshunter.io/ios/app/smart-handwash/id1521903161)

**In-app purchases:** none


### Allergy Log

[App page](https://appshunter.io/ios/app/allergy-log-intolerance-diary/id6738300083)

Track food reactions and environmental triggers to understand your health better. Log meals, symptoms, and use AI to scan ingredients from photos. Visualize trends with charts and export data for healthcare providers.

**Highlights:** Personalized allergy tracking, Smart food logging, AI ingredient scanning, Bristol Stool Scale integration, Visual data representation, Data export, Customizable themes

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly Trials | $69.99 | per year |
| Yearly | $89.99 | per year |


## Frequently asked questions

### Is Smart HandWash free?

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

### Is Allergy Log free?

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

### Do Smart HandWash or Allergy Log have ads?

Allergy Log shows ads; Smart HandWash does not.

### Which is updated more often, Smart HandWash or Allergy Log?

Smart HandWash ships an update every 2 weeks, and Allergy Log every 3 weeks. Most recently, Smart HandWash was updated on October 25, 2026 and Allergy Log on October 30, 2026.

---

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