# Lockbook vs SimpleStat

The clearest difference is in-app purchases: SimpleStat at none against Lockbook's 1. SimpleStat also leads on iOS requirement (17.6 vs 26.0). Lockbook's advantage is update cadence (weekly vs every 7 months) and device support (3 vs 1). On price, review sentiment and ads there is nothing between them.

Both are free to download. Lockbook sells 1 in-app purchase, starting at $2.99 per month. SimpleStat asks for nothing beyond the download.

Lockbook ships an update weekly, SimpleStat every 7 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Lockbook | SimpleStat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/lockbook-private-notes/id1526775001/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 7 months |
| Monetization | Freemium | **Free** |
| Size | 79 MB | 1 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lockbook LLC](https://appshunter.io/developer/1526775003) | [Christopher Fuchs](https://appshunter.io/developer/1654565548) |

## What reviewers say

### Lockbook

[App page](https://appshunter.io/ios/app/lockbook-private-notes/id1526775001)

A secure, open-source note-taking app prioritizing user privacy. It encrypts all your data locally, ensuring only you and authorized users can access your notes. Offers seamless syncing and sharing across devices, with a developer-friendly command-line interface.

**Highlights:** End-to-end encryption, Open-source code, Cross-device syncing, Note sharing, Developer CLI, No personal data collection

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30GB | $2.99 | per month |


### SimpleStat

[App page](https://appshunter.io/ios/app/simplestat/id6760746957)

This app analyzes your calendar events to provide insights into your activities. Define keywords to track specific events and visualize your progress through streaks or goal-based charts. It offers comprehensive statistics across various timeframes, extending beyond standard calendar data limitations.

**Highlights:** Keyword-based calendar event filtering, Streak visualization (contribution grid), Progress goal tracking (daily, weekly, monthly), Comprehensive statistics across multiple timeframes, Long-term data storage beyond EventKit limits, Case-insensitive, localized matching

**In-app purchases:** none


## Frequently asked questions

### Is Lockbook free?

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

### Is SimpleStat free?

SimpleStat is free to download, with no in-app purchases.

### Do Lockbook or SimpleStat have ads?

Neither Lockbook nor SimpleStat shows ads.

### Which is updated more often, Lockbook or SimpleStat?

Lockbook ships an update weekly, and SimpleStat every 7 months. Most recently, Lockbook was updated on October 24, 2026 and SimpleStat on October 28, 2026.

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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.*