# Catculator vs Allergy Tracker°

The clearest difference is price: Allergy Tracker° at Free against Catculator's $0.99. Allergy Tracker° also leads on ads (none vs shown) and device support (3 vs 1). Catculator's advantage is in-app purchases (none vs 6) and update cadence (every 2 days vs every 2 months).

Allergy Tracker° is free to download; Catculator costs $0.99 up front. Allergy Tracker° sells 5 in-app purchases, starting at $9.99 per month. Catculator asks for nothing beyond the download.

Catculator ships an update every 2 days, Allergy Tracker° every 2 months. The most recent releases landed on September 10, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Catculator | Allergy Tracker° |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.4 (157 ratings)](https://appshunter.io/ios/app/allergy-tracker/id6444611324/reviews)** |
| Number of ratings | — | **157** |
| Positive reviews | — | 82.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | — | Freemium |
| Size | 9 MB | 45 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Sanviapps](https://appshunter.io/developer/1653261048) | [Adam Cziko](https://appshunter.io/developer/1508288501) |

## What reviewers say

### Catculator

[App page](https://appshunter.io/ios/app/catculator/id6444231950)

**Features:** macOS Compatibility

**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 Catculator free?

Catculator costs $0.99, with no in-app purchases.

### Is Allergy Tracker° free?

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

### Do Catculator or Allergy Tracker° have ads?

Catculator shows ads; Allergy Tracker° does not.

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

Catculator ships an update every 2 days, and Allergy Tracker° every 2 months. Most recently, Catculator was updated on September 10, 2026 and Allergy Tracker° on September 12, 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.*