Diary vs Polylog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diary
This app provides a private space to record your daily thoughts, emotions, and memories. It offers a simple interface for creating entries and ensures all data is stored locally on your device for maximum privacy. Look back on your life's story whenever you wish.
- Simple diary creation
- Intuitive UI/UX
- Local device storage
- Private memory keeping
- Future function updates
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You have a bad day with a low mood. And you cannot tell that to anyone. You have a good day with some happy memories. But you have no one to share it with. Or you just want to share your day. Make it a memory, keep it somewhere and look back it sometimes. Don’t worry about it. Diary - My Secret Diary is here to help you. Features: 1. Simple and easy to create your diary. 2. UI/UX is so easy to use. 3. We don’t store anything from you. Everything will store on your devices. 4. We will update many functions for it.
Polylog
This app offers a digital journaling experience, allowing users to express themselves through text, images, and decorative elements. It fosters a community where users can share entries and find inspiration from others.
- Versatile text editor
- Add images, stickers, and decorations
- Extensive content library
- Virtual store for customization
- Engage with a global community
- Comment on diary entries
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Get ready to unleash your creativity with Polylog, the ultimate online diary app that takes journaling to a whole new level! Combine the timeless charm of diary writing with the modern world of digital creativity, and explore endless possibilities to personalize your daily entries with a fun, engaging twist. Join the Polylog community today and embark on an enchanting journey of self-expression and creativity. Whether you're a seasoned journaling enthusiast or a beginner looking to dip your toes into the world of digital diaries, Polylog offers an unparalleled experience that's perfect for you. Download now, and start writing your story! #What you can do with Polylog. - Express Yourself: Let your imagination run wild with Polylog's versatile text editor. Create captivating stories, jot down your daily thoughts, or share your fondest memories with ease. - Visual Storytelling: Add life to your entries with a wide array of images, stickers, and decorations. Personalize your diary with vibrant visuals and make it truly one-of-a-kind. - Extensive Content Library: Explore our vast virtual store, filled with a plethora of stickers, sticky note, frame and decorative elements. Customize your diary to your heart's content, and make it as unique as you are. - Engage with Others: Connect with fellow Polylog users, comment on their diary entries, and find inspiration from a global community of creative individuals. Share your thoughts, and learn from the experiences of others.
Screenshots
Verdict
The clearest difference is review sentiment: Diary at 100% against Polylog's 0%. Diary also leads on rating (4.1 vs 2.0) and ads (none vs shown). Polylog's advantage is update cadence (fortnightly vs every 6 weeks) and iOS requirement (11.0 vs 16.6). On price, in-app purchases, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Diary sells 1 one-off in-app purchase and Polylog sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Diary holds the better App Store score, 4.1 against 2.0. That said, the two scores are not equally well evidenced: Diary has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Diary's written reviews are positive against 0% of Polylog's.
Diary ships an update every 6 weeks, Polylog fortnightly. Both last shipped on November 3, 2026.
| Parameter | Diary | Polylog |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (17 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 17 — better | 1 |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 35 MB | 50 MB |
| Age rating | 4+ | 12+ |
| Developer | Tran Khanh Ha | Thakornkrid Thanatharapokin |
Customer experience
Diary
Polylog
In-app purchases
Diary
- Upgrade to Premium Account$1.99
Polylog
- 30 PolyCoins$0.99
- 100 PolyCoins$2.99
- 225 PolyCoins$5.99
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- 525 PolyCoins$13.99
- 844 PolyCoins$21.99
- 1070 Polycoins$26.99
- 1500 PolyCoins$38.99
- 1850 PolyCoins$46.99
- 2300 PolyCoins$54.99
- 3000 PolyCoins$69.99









