# Guardian Chart vs Allergy Tracker

The clearest difference is in-app purchases: Guardian Chart at none against Allergy Tracker's 2. Guardian Chart also leads on update cadence (every 5 days vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Allergy Tracker sells 2 in-app purchases, starting at $19.99 per year. Guardian Chart asks for nothing beyond the download.

Guardian Chart ships an update every 5 days, Allergy Tracker every 2 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Guardian Chart | Allergy Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 46 MB | 17 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SSRS Labs LLC](https://appshunter.io/developer/1885187856) | [Yalcin Golayoglu](https://appshunter.io/developer/1607333007) |

## What reviewers say

### Guardian Chart

[App page](https://appshunter.io/ios/app/guardian-chart/id6760737510)

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

**In-app purchases:** none


### Allergy Tracker

[App page](https://appshunter.io/ios/app/allergy-tracker-allergic/id6761259938)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $19.99 | per year |
| Allergic Pro Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Guardian Chart free?

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

### Is Allergy Tracker free?

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

### Do Guardian Chart or Allergy Tracker have ads?

Neither Guardian Chart nor Allergy Tracker shows ads.

### Which is updated more often, Guardian Chart or Allergy Tracker?

Guardian Chart ships an update every 5 days, and Allergy Tracker every 2 months. Most recently, Guardian Chart was updated on October 24, 2026 and Allergy Tracker on October 26, 2026.

---

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