# KeeperChat Encrypted Messenger vs NOOK

The clearest difference is in-app purchases: KeeperChat Encrypted Messenger at none against NOOK's 3. KeeperChat Encrypted Messenger also leads on device support (3 vs 1) and iOS requirement (14.0 vs 26.0). NOOK's advantage is update cadence (every 3 weeks vs every 2 months). On price and ads there is nothing between them.

Both are free to download. NOOK sells 3 in-app purchases, starting at $1.99 per month. KeeperChat Encrypted Messenger asks for nothing beyond the download.

KeeperChat Encrypted Messenger ships an update every 2 months, NOOK every 3 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KeeperChat Encrypted Messenger | NOOK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (387 ratings)](https://appshunter.io/ios/app/keeperchat-encrypted-messenger/id1216446440/reviews)** | — |
| Number of ratings | **387** | — |
| Positive reviews | 65.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 109 MB | 5 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Callpod Inc.](https://appshunter.io/developer/287170075) | [Alexander Bannikov](https://appshunter.io/developer/1855653169) |

## What reviewers say

### KeeperChat Encrypted Messenger

[App page](https://appshunter.io/ios/app/keeperchat-encrypted-messenger/id1216446440)

This secure messaging app offers end-to-end encryption and a zero-knowledge architecture for ultimate privacy. Features include self-destructing messages, message retraction, biometric login, and a private media vault that keeps photos off your device's gallery.

**Highlights:** End-to-end message encryption, Self-destruct timer, Message retraction, Private media vault, Biometric login, Zero-knowledge security architecture

**Features:** iMessage stickers, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🔒 Secure and private messaging
- 🚀 Useful features like self-destructing messages
- 👍 Sleek and user-friendly interface
- 🔒 Encrypted data storage

**What reviewers complain about**

- 🐛 Unreliable chat functionality, messages not getting through
- 🔒 Concerns about privacy and data security
- 🔋 App frequently logs users out, causing frustration
- 💰 Expensive subscription model

**Reported bugs**

- Invitations not being received by contacts
- Inability to delete entire chat histories
- Inconsistent performance, app crashes and freezes

**Requested features**

- Ability to organize media in folders
- Option to change contact display names
- Customizable notification messages
- Seamless integration with other devices


### NOOK

[App page](https://appshunter.io/ios/app/nook-secure-private-messenger/id6756493020)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NOOK Premium Monthly | $1.99 | per month |
| NOOK Premium Yearly | $19.99 | per year |
| Lifetime (Premium) | $44.99 | one-time |


## Frequently asked questions

### Is KeeperChat Encrypted Messenger free?

KeeperChat Encrypted Messenger is free to download, with no in-app purchases.

### Is NOOK free?

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

### Do KeeperChat Encrypted Messenger or NOOK have ads?

Neither KeeperChat Encrypted Messenger nor NOOK shows ads.

### Which is updated more often, KeeperChat Encrypted Messenger or NOOK?

KeeperChat Encrypted Messenger ships an update every 2 months, and NOOK every 3 weeks. Most recently, KeeperChat Encrypted Messenger was updated on October 29, 2026 and NOOK on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*