# OPEN/CLOSE vs Asthma Tracker゜

The clearest difference is in-app purchases: OPEN/CLOSE at none against Asthma Tracker゜'s 4. Asthma Tracker゜'s advantage is update cadence (every 3 months vs every 7 months) and iOS requirement (13.0 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. Asthma Tracker゜ sells 4 in-app purchases, starting at $9.99 per month. OPEN/CLOSE asks for nothing beyond the download.

OPEN/CLOSE ships an update every 7 months, Asthma Tracker゜ every 3 months. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | OPEN/CLOSE | Asthma Tracker゜ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (82 ratings)](https://appshunter.io/ios/app/asthma-tracker/id6444343217/reviews)** |
| Number of ratings | — | **82** |
| Positive reviews | — | 82.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | — | Freemium |
| Size | 51 MB | 40 MB |
| Requires iOS | 18.4 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Richard Curran](https://appshunter.io/developer/1410763298) | [Adam Cziko](https://appshunter.io/developer/1508288501) |

## What reviewers say

### OPEN/CLOSE

[App page](https://appshunter.io/ios/app/openclose/id1410763299)

**Features:** macOS Compatibility

**In-app purchases:** none


### Asthma Tracker゜

[App page](https://appshunter.io/ios/app/asthma-tracker/id6444343217)

Monitor your asthma health by logging inhaler usage, symptoms, and peak flow measurements. Generate printable reports for your doctor and personalize your tracking experience with customizable options and daily reminders. Secure your data with biometric lock.

**Highlights:** Inhaler usage count, Symptom tracking, Peak flow logging, Customizable symptoms and treatments, Printable PDF/CSV reports, Daily reminders, Biometric lock

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

**In-app purchases (4)**

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


## Frequently asked questions

### Is OPEN/CLOSE free?

OPEN/CLOSE is free to download, with no in-app purchases.

### Is Asthma Tracker゜ free?

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

### Do OPEN/CLOSE or Asthma Tracker゜ have ads?

Neither OPEN/CLOSE nor Asthma Tracker゜ shows ads.

### Which is updated more often, OPEN/CLOSE or Asthma Tracker゜?

OPEN/CLOSE ships an update every 7 months, and Asthma Tracker゜ every 3 months. Most recently, OPEN/CLOSE was updated on October 10, 2026 and Asthma Tracker゜ on October 9, 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.*