# Bokgi Lucky Diary vs Surf PDF

The clearest difference is iOS requirement: Bokgi Lucky Diary at 14.1 against Surf PDF's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Bokgi Lucky Diary sells 10 in-app purchases, starting at $1.99 per month and Surf PDF sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Bokgi Lucky Diary ships an update weekly, Surf PDF every 4 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Bokgi Lucky Diary | Surf PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (30 ratings)](https://appshunter.io/ios/app/bokgi-lucky-diary/id1605894697/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 96.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 167 MB | 14 MB |
| Requires iOS | **14.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sung Hee Bae](https://appshunter.io/developer/1086551836) | [SEONGOH JEONG](https://appshunter.io/developer/6814761361) |

## What reviewers say

### Bokgi Lucky Diary

[App page](https://appshunter.io/ios/app/bokgi-lucky-diary/id1605894697)

This app helps you improve habits and track behavior patterns through journaling and self-assessment tools. It offers visual representations of life areas, challenges, and detailed statistics to foster personal growth and record daily life with notes and photos.

**Highlights:** Life Balance Self-Assessment, Habit Challenges, Monthly Calendar View, Color-coded Activity Blocks, Notes and Photos, Detailed Statistics, Customizable Icons and Themes

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus 1 Month | $1.99 | per month |
| Plus 3 Months | $4.99 | per 3 months |
| Plus 6 months | $7.99 | per 6 months |
| Plus 1 Year | $9.99 | per year |
| Rich bear | Free | one-time |
| Fluffy Puppy | Free | one-time |
| Basic Heart | $0.99 | one-time |
| Quick-witted Bunny | $0.99 | one-time |
| Christmas | $0.99 | one-time |
| Plus Lifetime | $39.99 | one-time |


### Surf PDF

[App page](https://appshunter.io/ios/app/surf-pdf-ocr-and-editor/id6814761359)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlimited | $1.99 | per month |
| 10 credits | $1.00 | one-time |
| 36 credits | $1.99 | one-time |
| 22 credits | $2.00 | one-time |


## Frequently asked questions

### Is Bokgi Lucky Diary free?

Bokgi Lucky Diary is free to download, with in-app purchases available.

### Is Surf PDF free?

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

### Do Bokgi Lucky Diary or Surf PDF have ads?

Both Bokgi Lucky Diary and Surf PDF show ads.

### Which is updated more often, Bokgi Lucky Diary or Surf PDF?

Bokgi Lucky Diary ships an update weekly, and Surf PDF every 4 days. Most recently, Bokgi Lucky Diary was updated on November 3, 2026 and Surf PDF on November 6, 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.*