# NDSS vs PregAid

The clearest difference is update cadence: NDSS at every 2 weeks against PregAid's every 6 weeks. NDSS also leads on iOS requirement (6.0 vs 8.0). PregAid's advantage is review sentiment (21% vs 6%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

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

## The numbers

| Metric | NDSS | PregAid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.1 (27 ratings)](https://appshunter.io/ios/app/pregaid/id1004819006/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | 5.9% of reviews | **21.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 3 MB | 16 MB |
| Requires iOS | **6.0** | 8.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Silverline Consulting Pty Ltd](https://appshunter.io/developer/584265480) | [Guangdong Biolight Meditech Co., Ltd.](https://appshunter.io/developer/888975473) |

## What reviewers say

### 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


### PregAid

[App page](https://appshunter.io/ios/app/pregaid/id1004819006)

Track basal body temperature to help schedule conception or contraception. This system records BBT data via Bluetooth, generates curves, and automatically marks fertile periods. Understand your menstrual cycle and compare your BBT curves to achieve effective family planning.

**Highlights:** Basal body temperature measurement, BBT data recording, Bluetooth thermometer integration, BBT curve generation, Fertile period reminders, BBT curve library comparison

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

**In-app purchases:** none


## Frequently asked questions

### Is NDSS free?

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

### Is PregAid free?

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

### Do NDSS or PregAid have ads?

Neither NDSS nor PregAid shows ads.

### Which is updated more often, NDSS or PregAid?

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