# Push Notification vs ReliaQuest GreyMatter

The clearest difference is rating: ReliaQuest GreyMatter at 4.6 against Push Notification's 4.1. ReliaQuest GreyMatter also leads on in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Push Notification sells 1 one-off in-app purchase. ReliaQuest GreyMatter asks for nothing beyond the download.

ReliaQuest GreyMatter holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 58 and 31 respectively. Written reviews point the same way: 71% of Push Notification's written reviews are positive against 92% of ReliaQuest GreyMatter's.

Push Notification ships an update fortnightly, ReliaQuest GreyMatter every 3 weeks. Both last shipped on October 27, 2026.

## The numbers

| Metric | Push Notification | ReliaQuest GreyMatter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (58 ratings)](https://appshunter.io/ios/app/push-notification-client/id1516378834/reviews) | **[4.6 (31 ratings)](https://appshunter.io/ios/app/reliaquest-greymatter/id1658802347/reviews)** |
| Number of ratings | **58** | 31 |
| Positive reviews | 71.4% of reviews | **92.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#209** |
| Size | 49 MB | 84 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alok Singh](https://appshunter.io/developer/1508795536) | [ReliaQuest, LLC](https://appshunter.io/developer/1491082394) |

## What reviewers say

### Push Notification

[App page](https://appshunter.io/ios/app/push-notification-client/id1516378834)

This app allows developers to test their server-side Apple Push Notification service (APNS) implementations. It provides device tokens, bundle identifiers, and certificates for testing, along with code examples in various languages to aid backend development.

**Highlights:** Send push notifications for testing, Provides device token, bundle ID, and certificate, Code examples for Java, Go, Python, Ruby, Erlang, Node.js, Test APNS backend implementation, Essential guidelines for APNS development

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


### ReliaQuest GreyMatter

[App page](https://appshunter.io/ios/app/reliaquest-greymatter/id1658802347)

**Currently charting:** #209 Top Free · Developer Tools (US App Store)

Investigate and respond to security alerts from anywhere with this mobile app.  Stay informed with push notifications and manage incidents on the go, ensuring you never miss a critical alert.

**Highlights:** Triage security alerts, Investigate on the go, Respond to incidents, Push notifications, Close resolved incidents, View incident history

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and organized presentation
- 👍 Generally performs well
- 👍 Enjoyable capabilities
- 👍 Better than web version

**What reviewers complain about**

- 🐛 App resets to home screen when switching apps
- 🐛 Difficult to view tickets without acknowledging/owning
- 🐛 Forced IDP login on every app open
- 🐛 Limited functionality for cloud-based remote users
- 🐛 Legacy plays not runnable from app

**Reported bugs**

- App resets to home screen when switching apps
- Difficult to view tickets without acknowledging/owning
- Forced IDP login on every app open

**Requested features**

- Ability to hold place when switching apps
- Option to view tickets without acknowledging ownership
- Allow running legacy plays from the app for remote users


## Frequently asked questions

### Is Push Notification free?

Push Notification is free to download, with in-app purchases available.

### Is ReliaQuest GreyMatter free?

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

### Which has better reviews, Push Notification or ReliaQuest GreyMatter?

ReliaQuest GreyMatter is rated higher. Push Notification averages 4.1 out of 5 from 58 ratings, while ReliaQuest GreyMatter averages 4.6 from 31 ratings.

### Do Push Notification or ReliaQuest GreyMatter have ads?

Push Notification shows ads; ReliaQuest GreyMatter does not.

### Which is updated more often, Push Notification or ReliaQuest GreyMatter?

Push Notification ships an update fortnightly, and ReliaQuest GreyMatter every 3 weeks. Most recently, Push Notification was updated on October 27, 2026 and ReliaQuest GreyMatter on October 27, 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.*