# シークレット台帳 秘密のメモ 鍵付き日記 vs Logline

The clearest difference is update cadence: Logline at every 5 days against シークレット台帳 秘密のメモ 鍵付き日記's every 2 weeks. シークレット台帳 秘密のメモ 鍵付き日記's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. シークレット台帳 秘密のメモ 鍵付き日記 sells 1 one-off in-app purchase and Logline sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

シークレット台帳 秘密のメモ 鍵付き日記 ships an update every 2 weeks, Logline every 5 days. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | シークレット台帳 秘密のメモ 鍵付き日記 | Logline |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 32 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hotaka aoki](https://appshunter.io/developer/6796736905) | [Jun Hayashi](https://appshunter.io/developer/6800836117) |

## What reviewers say

### シークレット台帳 秘密のメモ 鍵付き日記

[App page](https://appshunter.io/ios/app/id6799800285)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $1.99 | one-time |


### Logline

[App page](https://appshunter.io/ios/app/logline/id6800836115)

This app allows you to record your thoughts, actions, and future plans in a simple, chronological timeline. It offers unlimited free recording, offline access, and powerful search capabilities. Export your data in various formats and sync across devices with an optional subscription.

**Highlights:** Chronological timeline recording, Unlimited free note-taking, Offline access, Full-text search and filtering, Markdown, JSON, CSV export, Optional Mac sync

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Logline Sync | $1.99 | per month |
| Logline Sync | $19.99 | per year |
| Logline Plus | $6.99 | one-time |


## Frequently asked questions

### Is シークレット台帳 秘密のメモ 鍵付き日記 free?

シークレット台帳 秘密のメモ 鍵付き日記 is free to download, with in-app purchases available.

### Is Logline free?

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

### Do シークレット台帳 秘密のメモ 鍵付き日記 or Logline have ads?

Neither シークレット台帳 秘密のメモ 鍵付き日記 nor Logline shows ads.

### Which is updated more often, シークレット台帳 秘密のメモ 鍵付き日記 or Logline?

シークレット台帳 秘密のメモ 鍵付き日記 ships an update every 2 weeks, and Logline every 5 days. Most recently, シークレット台帳 秘密のメモ 鍵付き日記 was updated on September 12, 2026 and Logline on September 9, 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.*