# Visionary Allergy Tracker vs NDSS

The clearest difference is update cadence: NDSS at every 2 weeks against Visionary Allergy Tracker's every 6 weeks. NDSS also leads on iOS requirement (6.0 vs 11.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Visionary Allergy Tracker ships an update every 6 weeks, NDSS every 2 weeks. Both last shipped on November 1, 2026.

## The numbers

| Metric | Visionary Allergy Tracker | NDSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.4 (148 ratings)](https://appshunter.io/ios/app/visionary-allergy-tracker/id681322884/reviews)** | — |
| Number of ratings | **148** | — |
| Positive reviews | **7.1% of reviews** | 5.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 85 MB | 3 MB |
| Requires iOS | 11.0 | **6.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Rosch Visionary Systems, INC.](https://appshunter.io/developer/640288065) | [Silverline Consulting Pty Ltd](https://appshunter.io/developer/584265480) |

## What reviewers say

### Visionary Allergy Tracker

[App page](https://appshunter.io/ios/app/visionary-allergy-tracker/id681322884)

Manage your allergy injection schedule with ease. Track upcoming and past treatments, view office details, and receive timely reminders for appointments and important updates.

**Highlights:** Shot dashboard, Treatment history, Appointment reminders, Office locations and hours, Office notifications

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🗓️ Tracks shot history
- 🔔 Provides shot reminders
- ✅ Sign in at office

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 App freezes
- 🐛 Login issues
- 🐛 Data retrieval errors
- 🐛 App is broken/unusable

**Reported bugs**

- App crashes frequently
- App freezes on 'Get Started' page
- Cannot log in after updates
- Error retrieving data
- App times out when verifying account

**Requested features**

- Allow users to enter shot days
- Allow users to pick their office
- Add multi-user support
- Fix notification badge issues
- Show next shots in due date


### NDSS

[App page](https://appshunter.io/ios/app/ndss/id997231464)

Easily locate nearby NDSS registered pharmacies. Get essential contact details, opening hours, and seamless navigation to your chosen pharmacy.

**Highlights:** Find nearby pharmacies, Pharmacy contact information, Easy navigation, Pharmacy open/close times

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

**In-app purchases:** none


## Frequently asked questions

### Is Visionary Allergy Tracker free?

Visionary Allergy Tracker is free to download, with no in-app purchases.

### Is NDSS free?

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

### Do Visionary Allergy Tracker or NDSS have ads?

Neither Visionary Allergy Tracker nor NDSS shows ads.

### Which is updated more often, Visionary Allergy Tracker or NDSS?

Visionary Allergy Tracker ships an update every 6 weeks, and NDSS every 2 weeks. Most recently, Visionary Allergy Tracker was updated on November 1, 2026 and NDSS on November 1, 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.*