# Nickel Navigator vs Allergy Tracker°

The clearest difference is in-app purchases: Nickel Navigator at none against Allergy Tracker°'s 6. Nickel Navigator also leads on rating (4.8 vs 4.4). Allergy Tracker°'s advantage is update cadence (every 2 months vs every 11 months) and ratings volume (158 vs 20). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Allergy Tracker° sells 5 in-app purchases, starting at $9.99 per month. Nickel Navigator asks for nothing beyond the download.

Nickel Navigator holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Allergy Tracker° has 158 ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 90% of Nickel Navigator's written reviews are positive against 82% of Allergy Tracker°'s.

Nickel Navigator ships an update every 11 months, Allergy Tracker° every 2 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Nickel Navigator | Allergy Tracker° |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (20 ratings)](https://appshunter.io/ios/app/nickel-navigator/id1466484539/reviews)** | [4.4 (158 ratings)](https://appshunter.io/ios/app/allergy-tracker/id6444611324/reviews) |
| Number of ratings | 20 | **158** |
| Positive reviews | **90.0% of reviews** | 82.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | **Free** | Freemium |
| Size | 3 MB | 45 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Rebelytics R&D Inc.](https://appshunter.io/developer/1466417142) | [Adam Cziko](https://appshunter.io/developer/1508288501) |

## What reviewers say

### Nickel Navigator

[App page](https://appshunter.io/ios/app/nickel-navigator/id1466484539)

This app helps individuals follow a low-nickel diet by providing detailed nickel content data for over 800 foods. Users can explore food groups, search for specific items, and estimate daily intake with a food journal. It offers reliable statistics and does not require an internet connection.

**Highlights:** Nickel content data for 800+ foods, Serving size consideration, Food group exploration, Searchable food database, Nickel content variation analysis, Food journal for daily intake estimation, Offline functionality

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

**In-app purchases:** none


### Allergy Tracker°

[App page](https://appshunter.io/ios/app/allergy-tracker/id6444611324)

Monitor your allergy journey by tracking symptoms, triggers, and treatments. Visualize your progress, identify patterns, and generate shareable reports for your doctor. Personalize your experience by defining custom symptoms and treatments.

**Highlights:** Track symptoms, Add triggers, Track treatments, Write notes, Visualize progress, Generate reports, Define custom symptoms/treatments

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $9.99 | per month |
| Special Annual Plan | $9.99 | per year |
| Monthly Plan | $9.99 | per month |
| Annual Plan | $9.99 | per year |
| Annual Plan | $39.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Customizable
- 🚀 Helpful for tracking symptoms
- 👍 Simple and straightforward
- 🚀 Useful for identifying patterns

**What reviewers complain about**

- 🐛 Crashes or freezes reported
- 💡 Desire for more detailed reporting
- 💡 Wish for ability to add multiple entries per day
- 🔒 Concerns about requiring review to unlock features

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Add photo upload capability
- Improve graphing and charting features
- Allow more than one entry per day
- Provide more detailed allergy level information


## Frequently asked questions

### Is Nickel Navigator free?

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

### Is Allergy Tracker° free?

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

### Which has better reviews, Nickel Navigator or Allergy Tracker°?

Nickel Navigator is rated higher. Nickel Navigator averages 4.8 out of 5 from 20 ratings, while Allergy Tracker° averages 4.4 from 158 ratings.

### Do Nickel Navigator or Allergy Tracker° have ads?

Neither Nickel Navigator nor Allergy Tracker° shows ads.

### Which is updated more often, Nickel Navigator or Allergy Tracker°?

Nickel Navigator ships an update every 11 months, and Allergy Tracker° every 2 months. Most recently, Nickel Navigator was updated on October 26, 2026 and Allergy Tracker° on October 27, 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.*