IYKYKnow vs Simple Copy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Invisible message sending
- Works with iMessage, SMS, WhatsApp, Telegram
- Compatible with email apps
- Privacy-focused, no server communication
- Local encryption and decryption
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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
Simple Copy
Organize and quickly access reusable text snippets like links and notes. Copy them with a single tap in a clean, ad-free interface. Your data stays on your device for speed and privacy.
- Collect and organize reusable text
- Pin important snippets
- Instant access
- Single-tap copy
- Ad-free interface
- On-device storage
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Simple Copy is a lightweight clipboard and text snippet manager designed for speed, simplicity, and productivity. Save and organize anything you reuse often — including AI prompts, ChatGPT prompts, code snippets, links, messages, and notes. Pin important text and copy it instantly with a single tap. Whether you're working with AI tools, coding, or managing daily copy-paste content, Simple Copy keeps everything organized and ready when you need it. Built for performance and privacy: No accounts required No cloud sync No ads Everything stored locally on your device Perfect for users who frequently reuse AI prompts, text templates, and clipboard content.
Screenshots
Verdict
The clearest difference is review sentiment: Simple Copy at 100% against IYKYKnow's 33%. Simple Copy also leads on rating (5.0 vs 4.2) and in-app purchases (none vs 2). IYKYKnow's advantage is price (Free vs $4.99) and ratings volume (48 vs 15). On update cadence, ads, device support and iOS requirement 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
IYKYKnow is free to download; Simple Copy costs $4.99 up front. IYKYKnow sells 2 one-off in-app purchases. Simple Copy asks for nothing beyond the download.
Simple Copy holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 48 and 15 respectively. Written reviews point the same way: 33% of IYKYKnow's written reviews are positive against 100% of Simple Copy's.
IYKYKnow ships an update fortnightly, Simple Copy every 2 weeks. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.
| Parameter | IYKYKnow | Simple Copy |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.2 (48 ratings) | 5.0 (15 ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 48 — better | 15 |
| Update frequency | Fortnightly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Aniruddha Kadam | Kok Lam Chong |
Customer experience
IYKYKnow
Simple Copy
In-app purchases
IYKYKnow
- Icon Pack$0.99
- App Secret Mode$2.99
Simple Copy
No in-app purchases
