# Secret Diary With Lock vs BBrain

The clearest difference is rating: Secret Diary With Lock at 4.4 against BBrain's 2.9. Secret Diary With Lock also leads on ratings volume (736 vs 32). BBrain's advantage is ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Secret Diary With Lock sells 9 in-app purchases, starting at $0.99 per 7 days and BBrain sells 11 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Secret Diary With Lock holds the better App Store score, 4.4 against 2.9. That said, the two scores are not equally well evidenced: Secret Diary With Lock has 736 ratings behind it against 32, so its average is the more settled of the two. Written reviews point the same way: 53% of Secret Diary With Lock's written reviews are positive against 50% of BBrain's.

Secret Diary With Lock ships an update every 3 weeks, BBrain every 3 days. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Secret Diary With Lock | BBrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (736 ratings)](https://appshunter.io/ios/app/secret-diary-with-lock/id1474212821/reviews)** | [2.9 (32 ratings)](https://appshunter.io/ios/app/bbrain/id6448963886/reviews) |
| Number of ratings | **736** | 32 |
| Positive reviews | **53.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 203 MB | 86 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pravin Gondaliya](https://appshunter.io/developer/1210259494) | [Herogram](https://appshunter.io/developer/1650043116) |

## What reviewers say

### Secret Diary With Lock

[App page](https://appshunter.io/ios/app/secret-diary-with-lock/id1474212821)

Keep your thoughts, feelings, and memories private with a secure digital journal. This app offers customizable locks, daily reminders, and the ability to add photos and emojis to your entries, ensuring your personal information stays protected.

**Highlights:** Password protection (PIN, pattern, safe), Unlimited daily entries, Add photos and mood emojis, Daily, weekly, monthly reminders, Customizable themes and fonts, Data backup and restore

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Discount | $0.99 | per 7 days |
| Weekly Subscription | $3.99 | per 7 days |
| Secret Diary- Month Premium | $4.99 | per month |
| Secret Diary - Week Premium | $5.99 | per 7 days |
| Secret Vault - Month Premium | $7.99 | per month |
| Monthly subscription. | $9.99 | per month |
| One-month subscription | $14.99 | per month |
| One-year subscription | $19.99 | per year |
| One-year subscription | $49.99 | per year |

**What reviewers like**

- 🔒 Secure diary with password/fingerprint protection
- 📝 Ability to write and express feelings
- 🎨 Customization options for diary appearance
- 🔐 Privacy and keeping secrets from others

**What reviewers complain about**

- 💰 Many features locked behind paywall
- 🌐 Ads and constant prompts to upgrade
- 🕰️ Incorrect date/time display
- 🐛 Bugs causing data loss or app crashes

**Reported bugs**

- Diary entries not saving properly
- App freezing or closing unexpectedly
- Incorrect date/time stamps on entries
- Syncing and login issues

**Requested features**

- More free customization options
- Ability to add photos, videos, or other media
- Improved sync and backup across devices
- Better organization and search for diary entries


### BBrain

[App page](https://appshunter.io/ios/app/bbrain/id6448963886)

This AI-powered chatbot assists with writing, learning, and creative tasks. It can generate stories, translate languages, provide information on any topic, offer recipes, and even help with coding and math problems. It acts as a versatile conversational companion for brainstorming and skill development.

**Highlights:** AI-powered writing assistant, Language translation and practice, Information retrieval on any topic, Creative content generation (stories, poems, lyrics), Personalized recommendations, Brainstorming and problem-solving, Skill development resources

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ai Voice weekly | $4.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Pro Weekly | $5.99 | per 7 days |
| Yearly Plan 1 Month Free Trial | $9.99 | per year |
| product 1 | $2.99 | one-time |
| Product 2 | $4.99 | one-time |
| Get 1000 Coins Monthly | $4.99 | one-time |
| Product 3 | $9.99 | one-time |
| Product 4 | $29.99 | one-time |
| Ask Brain2 Lifetime Pro | $49.99 | one-time |
| Product 5 | $99.99 | one-time |


## Frequently asked questions

### Is Secret Diary With Lock free?

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

### Is BBrain free?

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

### Which has better reviews, Secret Diary With Lock or BBrain?

Secret Diary With Lock is rated higher. Secret Diary With Lock averages 4.4 out of 5 from 736 ratings, while BBrain averages 2.9 from 32 ratings.

### Do Secret Diary With Lock or BBrain have ads?

Secret Diary With Lock shows ads; BBrain does not.

### Which is updated more often, Secret Diary With Lock or BBrain?

Secret Diary With Lock ships an update every 3 weeks, and BBrain every 3 days. Most recently, Secret Diary With Lock was updated on October 20, 2026 and BBrain on October 21, 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.*