# OB Wheel vs Nabd App

The clearest difference is in-app purchases: Nabd App at none against OB Wheel's 2. OB Wheel's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OB Wheel sells 2 one-off in-app purchases. Nabd App asks for nothing beyond the download.

OB Wheel ships an update every 4 days, Nabd App every 3 weeks. The most recent releases landed on October 22, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | OB Wheel | Nabd App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (10 ratings)](https://appshunter.io/ios/app/ob-wheel/id6473123188/reviews)** | — |
| Number of ratings | **10** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 28 MB | 29 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Berkay Gurcesme](https://appshunter.io/developer/1618081315) | [AL SAFA LABORATORIES COMPANY LIMITED](https://appshunter.io/developer/1896498254) |

## What reviewers say

### OB Wheel

[App page](https://appshunter.io/ios/app/ob-wheel/id6473123188)

This app assists expectant mothers and healthcare professionals in tracking pregnancy with accurate due date calculations and weekly fetal development updates. It offers customizable features, health tips, and tools for clinicians to support patient care throughout the journey to delivery.

**Highlights:** Accurate due date calculation, Weekly fetal development tracker, Customizable reminders and tracking, Health tips and resources, Tools for healthcare professionals, Symptom and feeling logging

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ob Wheel lifetime ad-free | $3.99 | one-time |
| Unlimited Ad-free Ob wheel | $9.99 | one-time |


### Nabd App

[App page](https://appshunter.io/ios/app/nabd-app/id6768001450)

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

**In-app purchases:** none


## Frequently asked questions

### Is OB Wheel free?

OB Wheel is free to download, with in-app purchases available.

### Is Nabd App free?

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

### Do OB Wheel or Nabd App have ads?

Neither OB Wheel nor Nabd App shows ads.

### Which is updated more often, OB Wheel or Nabd App?

OB Wheel ships an update every 4 days, and Nabd App every 3 weeks. Most recently, OB Wheel was updated on October 22, 2026 and Nabd App on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*