# Diary with Lock vs BariBuddy

The clearest difference is review sentiment: BariBuddy at 100% against Diary with Lock's 0%. BariBuddy also leads on monetization model (free vs freemium) and update cadence (every 5 weeks vs every 3 months). Diary with Lock's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Diary with Lock sells 1 in-app purchase, starting at $9.99 per year and BariBuddy sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Diary with Lock ships an update every 3 months, BariBuddy every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Diary with Lock | BariBuddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (19 ratings)](https://appshunter.io/ios/app/diary-with-lock-idiary/id1625609721/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Freemium | **Free** |
| Size | 58 MB | 73 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Heyou Co., Ltd.](https://appshunter.io/developer/1480358223) | [Daniel Meyer](https://appshunter.io/developer/1159183164) |

## What reviewers say

### Diary with Lock

[App page](https://appshunter.io/ios/app/diary-with-lock-idiary/id1625609721)

Capture and cherish life's moments in a secure, beautifully designed digital journal. Add text, photos, and videos, track your mood and weather, and protect your entries with a passcode. Back up your memories to iCloud and export them as PDFs.

**Highlights:** Photo and text diary entries, Lock screen passcode protection, iCloud backup, Mood and weather tracking, Font customization, Intruder snapshots, PDF export

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iDiary Pro | $9.99 | per year |


### BariBuddy

[App page](https://appshunter.io/ios/app/baribuddy/id6461457740)

This app supports individuals on their weight loss and bariatric surgery journey. It provides trusted information, tracks key health metrics like water intake and BMI, and offers helpful tools like meal timers and a program map.

**Highlights:** Trusted bariatric health information, Water, calorie, protein, and carb tracking, Weight, height, and BMI tracking, Perioperative guide with appointment reminders, Data export to spreadsheet or PDF, Meal spacing and chewing timers, Dark mode support

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $3.99 | one-time |
| Large Tip | $6.99 | one-time |
| Huge Tip | $14.99 | one-time |


## Frequently asked questions

### Is Diary with Lock free?

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

### Is BariBuddy free?

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

### Do Diary with Lock or BariBuddy have ads?

Neither Diary with Lock nor BariBuddy shows ads.

### Which is updated more often, Diary with Lock or BariBuddy?

Diary with Lock ships an update every 3 months, and BariBuddy every 5 weeks. Most recently, Diary with Lock was updated on November 3, 2026 and BariBuddy on November 3, 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.*