# CipherNook vs Intervalition

The clearest difference is price: Intervalition at $0.99 against CipherNook's $4.99. CipherNook's advantage is iOS requirement (13.0 vs 18.1). On update cadence, ads, in-app purchases and device support there is nothing between them.

CipherNook costs $4.99 and Intervalition $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CipherNook | Intervalition |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ciphernook/id6484164218/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Paid | — |
| Size | 25 MB | 69 MB |
| Requires iOS | **13.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [国喜 宋](https://appshunter.io/developer/1740337327) | [Brett Owers](https://appshunter.io/developer/1534452026) |

## What reviewers say

### CipherNook

[App page](https://appshunter.io/ios/app/ciphernook/id6484164218)

This app provides a secure, offline sanctuary for your notes, photos, and voice recordings. It uses end-to-end encryption to ensure your data remains private and accessible only to you, with no internet connection or account registration required.

**Highlights:** Fully offline use, End-to-end encryption, Privacy-focused design, No account registration, Text, photo, and voice recording support, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Intervalition

[App page](https://appshunter.io/ios/app/intervalition/id6742060968)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CipherNook free?

CipherNook costs $4.99, with no in-app purchases.

### Is Intervalition free?

Intervalition costs $0.99, with no in-app purchases.

### Do CipherNook or Intervalition have ads?

Neither CipherNook nor Intervalition shows ads.

### Which is updated more often, CipherNook or Intervalition?

CipherNook ships an update every 3 weeks, and Intervalition every 3 weeks. Most recently, CipherNook was updated on October 6, 2026 and Intervalition on October 8, 2026.

---

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