# IYKYKnow vs API Event Notify

The clearest difference is review sentiment: API Event Notify at 100% against IYKYKnow's 33%. API Event Notify also leads on rating (5.0 vs 4.2) and in-app purchases (none vs 2). IYKYKnow's advantage is update cadence (fortnightly vs every 6 months) and ratings volume (48 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. IYKYKnow sells 2 one-off in-app purchases. API Event Notify asks for nothing beyond the download.

API Event Notify holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: IYKYKnow has 48 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 33% of IYKYKnow's written reviews are positive against 100% of API Event Notify's.

IYKYKnow ships an update fortnightly, API Event Notify every 6 months. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | IYKYKnow | API Event Notify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (48 ratings)](https://appshunter.io/ios/app/iykyknow/id1526156980/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/api-event-notify/id6748003043/reviews)** |
| Number of ratings | **48** | 2 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 2 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aniruddha Kadam](https://appshunter.io/developer/1526156982) | [凤明 李](https://appshunter.io/developer/1805559726) |

## What reviewers say

### IYKYKnow

[App page](https://appshunter.io/ios/app/iykyknow/id1526156980)

This utility app allows you to send invisible messages within your existing messaging applications. It helps maintain privacy and avoid suspicion when communicating secretly. The app ensures no server communication for encryption, keeping your data local.

**Highlights:** Invisible message sending, Works with iMessage, SMS, WhatsApp, Telegram, Compatible with email apps, Privacy-focused, no server communication, Local encryption and decryption

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Icon Pack | $0.99 | one-time |
| App Secret Mode | $2.99 | one-time |


### API Event Notify

[App page](https://appshunter.io/ios/app/api-event-notify/id6748003043)

Receive real-time event notifications from third-party systems directly to your device. Manage notification statuses and access comprehensive API documentation for seamless integration. Ideal for developers and operations engineers needing flexible message push solutions.

**Highlights:** Real-time push notifications, API key management, Notification status management, Complete API documentation, Multi-language support, RESTful API calls

**In-app purchases:** none


## Frequently asked questions

### Is IYKYKnow free?

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

### Is API Event Notify free?

API Event Notify is free to download, with no in-app purchases.

### Which has better reviews, IYKYKnow or API Event Notify?

API Event Notify is rated higher. IYKYKnow averages 4.2 out of 5 from 48 ratings, while API Event Notify averages 5.0 from 2 ratings.

### Do IYKYKnow or API Event Notify have ads?

Neither IYKYKnow nor API Event Notify shows ads.

### Which is updated more often, IYKYKnow or API Event Notify?

IYKYKnow ships an update fortnightly, and API Event Notify every 6 months. Most recently, IYKYKnow was updated on October 5, 2026 and API Event Notify on October 10, 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.*