# Symptom Tracker+ vs Histamine intolérance

The clearest difference is rating: Symptom Tracker+ at 4.0 against Histamine intolérance's 3.0. Symptom Tracker+ also leads on ratings volume (68 vs 4). Histamine intolérance's advantage is in-app purchases (none vs 17) and update cadence (every 2 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Symptom Tracker+ sells 16 in-app purchases, starting at $4.95 per month. Histamine intolérance asks for nothing beyond the download.

Symptom Tracker+ holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Symptom Tracker+ has 68 ratings behind it against 4, so its average is the more settled of the two.

Symptom Tracker+ ships an update every 2 months, Histamine intolérance every 2 days. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Symptom Tracker+ | Histamine intolérance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (68 ratings)](https://appshunter.io/ios/app/symptom-tracker-plus/id1631692692/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/histamine-intolerance/id1640339997/reviews) |
| Number of ratings | **68** | 4 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 214 MB | 14 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [CARECLINIC SOFTWARE INC.](https://appshunter.io/developer/1436021751) | [Jeremy Roustang](https://appshunter.io/developer/595131737) |

## What reviewers say

### Symptom Tracker+

[App page](https://appshunter.io/ios/app/symptom-tracker-plus/id1631692692)

Easily log and analyze your health symptoms, medications, and lifestyle factors to gain insights into your well-being. Generate reports for your doctor and manage your health journey with personalized tracking and reminders.

**Highlights:** Track 2,000+ symptoms, Log medications, nutrition, sleep, activity, vitals, Analyze hidden health patterns, Generate reports for healthcare team, Manage appointments and care team info, Personalize tracking modules, Set medication and check-in reminders

**Features:** macOS Compatibility, Siri integration, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| flex pass | $4.95 | per month |
| easy pass | $5.99 | per 7 days |
| weather max | $9.99 | per 3 months |
| flex pass | $9.99 | per month |
| smart pass | $19.99 | per year |
| carey ai ultra | $29.99 | per month |
| smart pass | $34.99 | per year |
| your free week | $49.99 | per year |
| 7-Day Trial | $49.99 | per year |
| limited sale | $49.99 | per year |
| limited deal | $49.99 | per year |
| select pass | $49.99 | per year |
| full access | $59.99 | per year |
| store credit | $1.99 | one-time |
| carey ai credits | $8.99 | one-time |
| lifetime upgrade | $149.99 | one-time |


### Histamine intolérance

[App page](https://appshunter.io/ios/app/histamine-intolerance/id1640339997)

This app helps you identify ingredients that may cause histamine intolerance. It provides a searchable database of over 1000 ingredients with varying intolerance levels.

**Highlights:** Searchable ingredient database, Over 1000 ingredients listed, Intolerance level indicators, Quick ingredient lookup

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

**In-app purchases:** none


## Frequently asked questions

### Is Symptom Tracker+ free?

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

### Is Histamine intolérance free?

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

### Which has better reviews, Symptom Tracker+ or Histamine intolérance?

Symptom Tracker+ is rated higher. Symptom Tracker+ averages 4.0 out of 5 from 68 ratings, while Histamine intolérance averages 3.0 from 4 ratings.

### Do Symptom Tracker+ or Histamine intolérance have ads?

Neither Symptom Tracker+ nor Histamine intolérance shows ads.

### Which is updated more often, Symptom Tracker+ or Histamine intolérance?

Symptom Tracker+ ships an update every 2 months, and Histamine intolérance every 2 days. Most recently, Symptom Tracker+ was updated on October 16, 2026 and Histamine intolérance on October 11, 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.*