Comparison

IYKYKnow vs API Event Notify

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

IYKYKnow

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
Read full description

The message sent using IYKYK keyboard app. Is completely invisible to anyone try to read your private messages. It avoid suspicion, If you are chatting with someone in secret. Remember to use this for private use and not to misuse. IYKYK app respects privacy. So there is no server communication for encryption and decryption process. Anyone who has access to "IYKYK" app will be able to decrypt the hidden message. Compatible with: - iMessage, SMS, Whatsapp, Telegram.. etc - Any Emailing app : Gmail, Yahoo MAIL...etc In conclusion ...any text messaging app

About

API Event Notify

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
Read full description

API Event Notify is a professional SAAS event push service application. Through API interface, third-party systems can easily push real-time notifications to your device, keeping you informed of important events at all times. Core Features: • Real-time Push Notifications - Receive event notifications from third-party systems • API Key Management - Automatically obtain and manage your device push token • Notification Status Management - Mark as read, completed, and other status operations • Complete API Documentation - Built-in detailed API call instructions and code examples • Multi-language Support - Supports 8 language interface switching Use Cases: - Server monitoring alerts - Business process notifications - Task completion reminders - System event pushes - IoT device messages - Automated workflow notifications Technical Features: • Supports RESTful API calls • Provides cURL, Python, JavaScript example code • Secure device token authentication • Real-time message push • No local data storage, privacy security Whether you are a developer, operations engineer, or automation enthusiast, API Event Notify can help you implement a flexible message push solution.

Screenshots

IYKYKnow4 screens
API Event Notify3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
IYKYKnow versus API Event Notify: the parameters behind the verdict, then further details
ParameterIYKYKnowAPI Event Notify
PriceFreeFree
Rating4.2 (48 ratings)5.0 (2 ratings) — better
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings48 — better2
Update frequencyFortnightly — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size18 MB2 MB
Age rating4+4+
DeveloperAniruddha Kadam凤明 李

Customer experience

IYKYKnow

All ratings48 ratings
Positive77.1%
Neutral8.3%
Negative14.6%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

API Event Notify

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

IYKYKnow

One-time2
  • Icon Pack$0.99
  • App Secret Mode$2.99
None

API Event Notify

No in-app purchases

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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