# OMPASS vs Notifcentral for Amazon Seller

The clearest difference is in-app purchases: OMPASS at none against Notifcentral for Amazon Seller's 2. Notifcentral for Amazon Seller's advantage is update cadence (every 9 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Notifcentral for Amazon Seller sells 2 in-app purchases, starting at $9.99 per month. OMPASS asks for nothing beyond the download.

OMPASS ships an update every 2 months, Notifcentral for Amazon Seller every 9 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | OMPASS | Notifcentral for Amazon Seller |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 30 MB | 39 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OneMoreSecurity Inc](https://appshunter.io/developer/1515703406) | [Archit Mathur](https://appshunter.io/developer/1827669052) |

## What reviewers say

### OMPASS

[App page](https://appshunter.io/ios/app/ompass/id1547587526)

This business app provides a next-generation integrated authentication solution, replacing passwords with convenient and secure methods. It allows for managing various authentication lifecycles and ensures security compliance through passwordless login based on international FIDO standards.

**Highlights:** Integrated authentication management, Passwordless login, FIDO Alliance international standard compliance, Mobile authentication device, Enhanced security and convenience

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

**In-app purchases:** none


### Notifcentral for Amazon Seller

[App page](https://appshunter.io/ios/app/notifcentral-for-amazon-seller/id6748850683)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kirana | $9.99 | per month |
| Godown | $19.00 | per month |


## Frequently asked questions

### Is OMPASS free?

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

### Is Notifcentral for Amazon Seller free?

Notifcentral for Amazon Seller is free to download, with in-app purchases available.

### Do OMPASS or Notifcentral for Amazon Seller have ads?

Neither OMPASS nor Notifcentral for Amazon Seller shows ads.

### Which is updated more often, OMPASS or Notifcentral for Amazon Seller?

OMPASS ships an update every 2 months, and Notifcentral for Amazon Seller every 9 days. Most recently, OMPASS was updated on November 3, 2026 and Notifcentral for Amazon Seller on November 5, 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.*