# Secret Message Exchange vs IYKYKnow

Secret Message Exchange and IYKYKnow are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Secret Message Exchange sells 1 one-off in-app purchase and IYKYKnow sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Secret Message Exchange | IYKYKnow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (47 ratings)](https://appshunter.io/ios/app/iykyknow/id1526156980/reviews)** |
| Number of ratings | — | **47** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 18 MB |
| Requires iOS | **12.2** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Import EV](https://appshunter.io/developer/551601250) | [Aniruddha Kadam](https://appshunter.io/developer/1526156982) |

## What reviewers say

### Secret Message Exchange

[App page](https://appshunter.io/ios/app/secret-message-exchange/id1468223441)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Use of additional Key Images | $4.99 | one-time |


### 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 |


## Frequently asked questions

### Is Secret Message Exchange free?

Secret Message Exchange is free to download, with in-app purchases available.

### Is IYKYKnow free?

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

### Do Secret Message Exchange or IYKYKnow have ads?

Neither Secret Message Exchange nor IYKYKnow shows ads.

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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.*