Zero vs Grid Diary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zero
This app offers a minimalist journaling experience with features like a timeline view, photo wall, and secure password protection. Customize your journal with various themes and font sizes, and set reminders to ensure you never miss an entry. VIP features include photo backup and export options.
- Timeline journal view
- Photo wall display
- Fingerprint & passcode lock
- Customizable font size
- Multiple theme options
- Journaling reminders
- Keyword search
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Less Is More. Zero - A Journal With Simple Design. ●●●●●●Features●●●●●● ● Timeline - Display your journal in Timeline. ● PhotoWall - Display your photo like a Photo Wall. ● Password - Fingerprint & Passcode to keep your journal secret. ● Font Size- Change Font-Size. ● Theme - 4 Theme-Color To Change ● Reminders - Remind you to write a journal. ● Search - Search your entry by keyword. ●●●●●●VIP●●●●●● ● Photo Backup - Backup your photos ● Font- Change Font ● Theme - More Than 20 Theme-Color ● Export - Export your journal to your email. ● Multiple Reminders - Add Multiple Reminders
Grid Diary
This app offers a guided journaling experience to foster personal development and mindfulness. It helps users build positive habits, manage stress, and enhance various aspects of their lives through customizable prompts and unique layouts.
- Prompted journaling with custom questions
- Unique grid and mandala layouts
- Daily, weekly, monthly, and yearly planning
- Supports various journaling methods
- Mindfulness and self-care focus
- Stress and anxiety alleviation techniques
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Introducing Grid Diary: More than just a journaling app, it's your comprehensive personal development system. Embark on a personal growth journey that covers all aspects: • Embrace mindfulness & self-love • Establish morning & evening routines • Enhance personal health & wellbeing • Develop self-care habits • Alleviate stress and anxiety through Cognitive Behavioral Therapy • Acquire new skills • Boost productivity • Strengthen relationships • Ignite creativity ...and so much more. At Grid Diary, we understand that personal development is a holistic endeavor, not a singular pursuit. Grid Diary empowers you to create a diary system that goes beyond simple daily entries. By utilizing features such as custom prompts, tags, and categories, you can build a personalized framework for cultivating happiness and developing positive habits such as proactivity, optimism, and gratitude. Use Grid Diary to unlock the true power of keeping a diary and start your journey towards a happier, healthier you. # Feature Highlights • Prompted Journaling: Guided Self-Reflections Avoid writer's block with our question library or customize your own prompts for deeper self-reflection. • Unique Grid Format: Elegant and Comprehensive Organize all that matters to you on a single page with our customizable grid layout, fostering a holistic personal development system. • Mandala Layout: Journal like a Mind Map Our 9-grid Mandala-inspired layout, featuring a fixed center, emulates the artful representation of life's organization and connection to the cosmos. Journaling becomes intuitive and mirrors the way our minds work. • Day/Week/Month/Year Dimensions: Create Your Own Rituals Establish rituals that anchor you in time, crafting a framework for planning, acting, and reviewing on a daily, weekly, monthly, or yearly basis. • Compatibility with Various Journaling Methods Whether you prefer morning diaries, success diaries, manifestation journals, or bullet journals, Grid Diary's flexibility accommodates your preferred approach. Discover the transformative power of Grid Diary and unlock your full potential today! # Don't Just Take Our Word for It "New Apps We Love" - Apple "If you've wanted to journal but don't know where to start, meet Grid Diary. Swappable prompts in a lovely, flexible grid format invite you to record and reflect on life's happenings - from noting your habits and goals to sharing affirmation and gratitude." - Google "Grid Diary is a good option for journal writers pressed for time or inspiration." - The New York Times --- As a dedicated three-person team, we believe that privacy is paramount for a journaling app. With no venture capital or advertisers backing Grid Diary, our long-term development relies solely on our members' paid subscriptions. We never sell your data to third parties for profit. # Note about Health App integration: After you have authorized access to health data, you can insert information such as steps or activity energy into your diary. Additionally, you can save your journaling time as mediation minutes to Health app. Grid Diary won't use your health data for other purposes. Privacy Policy https://griddiaryapp.com/support/privacy Terms of Service https://griddiaryapp.com/support/terms
Screenshots
Verdict
The clearest difference is monetization model: Zero at free with in-app purchases against Grid Diary's subscription. Zero also leads on review sentiment (81% vs 48%) and iOS requirement (8.0 vs 26.0). Grid Diary's advantage is ratings volume (963 vs 32). On price, rating, update cadence and ads 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. Zero sells 1 one-off in-app purchase and Grid Diary sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.5 for Zero against 4.6 for Grid Diary. That said, the two scores are not equally well evidenced: Grid Diary has 963 ratings behind it against 32, so its average is the more settled of the two. Written reviews are what separate them: 81% of Zero's written reviews are positive against 48% of Grid Diary's.
Zero ships an update every 8 days, Grid Diary every 2 weeks. Both last shipped on November 2, 2026.
| Parameter | Zero | Grid Diary |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (32 ratings) | 4.6 (963 ratings) — better |
| Positive reviews | 81.3% of reviews — better | 48.3% of reviews |
| Number of ratings | 32 | 963 — better |
| Update frequency | Every 8 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 8.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 27 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | 素琼 曹 | Sumi Interactive |
Customer experience
Zero
Grid Diary
Bugs and requests
Zero
Not enough reviews yet to summarise bugs or requests.
Grid Diary
Reported bugs
4 issues- Entries disappearing or not syncing properly
- Password reset functionality not working
- Subscription issues and inability to access premium features
- Compatibility problems with newer iOS versions
Requested features
6 requests- Add Apple Pencil support
- Improve sync reliability across devices
- Provide more customization options for layouts and fonts
- Integrate with other productivity apps and calendars
- Implement a one-time purchase option
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- Allow randomized daily prompts
In-app purchases
Zero
- VIP/Half a year$0.99
Grid Diary
- Monthly3 Days trial$4.991 Month
- Monthly3 Months trial$4.991 Month
- Annual7 Days trial$29.991 Year
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- Annual6 Months trial$29.991 Year








