# Prilog: Private Journal Diary — On-device. Encrypted. Yours.

> On-device. Encrypted. Yours. (iPhone/iPad app by Sangseon Kim.)

- Source: https://appshunter.io/ios/app/prilog-private-journal-diary/id6449960507 (this page in markdown: same URL + `.md`)
- Developer: [Sangseon Kim](https://appshunter.io/developer/1619035752)
- Category: Lifestyle, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 13.0 · 222 MB
- Languages: Russian, Vietnamese, American English, Indonesian, European Spanish, Korean, Malay, German (Germany), Brazilian Portuguese, Thai and 5 more
- Released: 2025-04-04
- Data updated: 2026-08-15
- User reviews in markdown: https://appshunter.io/ios/app/prilog-private-journal-diary/id6449960507/reviews.md

## What is Prilog?

Your journal belongs on your device, not on someone else's server.
Prilog stores everything only on your device and in your own Google Drive.
No third-party servers, no AI training, no anonymous analytics.

Core Values
• Local first: All data stays on your device
• Double lock: App lock plus per-entry lock
• Your own Google Drive sync: Automatic backup across your devices, nowhere else
• Offline: Write and search with no internet connection

Key Features
• Attach photos, location, voice, and video
• Tags and full-text search
• Reflection cards: Automatically resurface entries from N weeks, months, or years ago
• Export as PDF or plain text
• 21 languages supported
• Automatic sync via Google Drive

Who It Is For
• Anyone uncomfortable handing their most private writing over to server-based diary services
• People who want to make journaling and reflection a real habit
• Those who want full control over their own data

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly (iOS) | $0.59 | per month |
| Monthly (macOS) | $1.19 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime (iOS) | $8.00 | one-time |
| Lifetime (macOS) | $12.00 | one-time |



## Version history (last 5 releases)

### 1.2.8 — 2026-08-10

Updated internal library dependency versions

### 1.2.6 — 2026-05-27

Fixed a bug where some icons were missing

### 1.2.5 — 2026-05-21

App information updated

### 1.2.4 — 2026-04-21

Fixed an issue where some icons were not displayed.

### 1.2.3 — 2026-04-20

Bookmarks and locks are now included when exporting.

## Apps similar to Prilog

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Lifely: timeline maker journal](https://appshunter.io/ios/app/lifely-timeline-maker-journal/id1579863000) | 4.4 (5) | Free | Lifestyle |
| [HaruMemo Diary](https://appshunter.io/ios/app/harumemo-diary/id6738644373) | — | $4.99 | Lifestyle |
| [Day History - Daily Log](https://appshunter.io/ios/app/day-history-daily-log/id6736691765) | 5.0 (2) | Free | Lifestyle |
| [Think: Personal Diary, Journal](https://appshunter.io/ios/app/think-personal-diary-journal/id6444677091) | — | Free | Lifestyle |
| [Audio Diary: a smarter journal](https://appshunter.io/ios/app/audio-diary-a-smarter-journal/id6444500487) | 4.9 (310) | Free | Lifestyle |
| [Murmur - Voice Diary](https://appshunter.io/ios/app/murmur-voice-diary/id1510564828) | 4.4 (81) | Free | Lifestyle |

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*