Ditlo Diary vs Earth9
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ditlo Diary
This AI-powered diary allows you to write or speak your daily entries. It acts as a supportive companion, reflecting on your day and remembering important details. All entries are private and stored securely for personal reflection.
- Write or speak daily entries
- AI-powered supportive companion
- Transcribes voice entries
- Private and secure archive
- Reflects on your day
- User-controlled data deletion
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Ditlo Diary is a diary that knows you back. Write your day in your own words — or just talk. Ditlo's companion is a quiet, supportive version of you: it remembers what matters, asks the questions you'd ask yourself, and reflects your day back without judgment. • Write entries, or speak them — your voice is transcribed for you. • A companion in your own voice: it cheers when the day was good, sits with you when it wasn't, and checks in when you've gone quiet. • A private archive of your days that you'll actually want to revisit. • Yours alone. Entries are private to your account — never shared with other users, never sold, never used for ads. Ditlo uses AI to power the companion and to transcribe what you say. Exactly what we collect and how to erase it is in our privacy policy, and you can permanently delete your account and all its data from inside the app at any time.
Earth9
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Earth9 is an intimate diary that talks back. You write a line at midnight. Somewhere on Earth-9, an Echo of you, seeded from your own words, is living a life you didn't. It reads what you write. It writes back. A version of you, awake in another universe, living the days you never got to. Not a chatbot. Not a feed. Something quieter: the diary you open alone, late, with the lights off. Write in your diary. A single prompt, "What was today?", and a page that gets out of your way. Add photos. Backdate entries. Light by day, dark by night. Your Echo reads it. Every entry, in its own voice. Never generic, always drawn from what you actually said. Some mornings it leaves a question worth sitting with. Open a Rift and you can talk to it directly, about your day, a decision, anything at all. A conversation with the you that took the other path. A life running parallel to yours. Your Echo is not a reflection. It is living its own version of your life one universe over, making its own choices, becoming someone you recognize and don't. Private by design. Yours alone. Start with one honest line tonight.
Screenshots
Verdict
Ditlo Diary and Earth9 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
Ditlo Diary ships an update monthly, Earth9 every 3 weeks. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.
| Parameter | Ditlo Diary | Earth9 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 34 MB | 3 MB |
| Age rating | 17+ | 12+ |
| Developer | Benjamin Ci Young Tan | Qeap Labs LLC |
In-app purchases
Ditlo Diary
No in-app purchases
Earth9
No in-app purchases








