Arkiary vs MochiDiary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Arkiary
This app offers a private space to journal thoughts, record voice memos, and attach media. It uses AI to track mood patterns and provides an AI companion for conversation. Users can also send anonymous kindness letters and create time capsules for future reflection.
- AI-powered journaling with templates
- Voice memo and photo/video attachments
- AI mood tracking and insights
- AI companion for conversation
- Anonymous kindness letter exchange
- Time capsule creation for future self
- Secure with Face ID/passcode lock
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Arkiary - Your AI Diary & Soulmate The best diary app so far: Journal your way with templates, voice memos, and photos. Track your mood and discover emotional patterns with AI insights. Chat with Arkis, your AI soulmate who remembers, listens, and truly gets you. JOURNAL YOUR WAY • Write with templates, prompts, or free-form • Attach photos, videos, and voice memos • Daily writing prompts to spark reflection TRACK YOUR EMOTIONS • Beautiful mood tracking with color themes • AI-powered mood trends and weekly insights • Understand your emotional patterns over time CHAT WITH ARKIS • Your AI companion who remembers your story • Share photos, voice chat, or just vent • Personalized responses that match your vibe KIND LETTERS • Send and receive anonymous letters of kindness • Connect with strangers around the world • Spread warmth, one letter at a time TIME CAPSULES • Seal moments for your future self • Set custom open dates — days, weeks, or years • Rediscover who you were when you open them MORE TO LOVE • Smart search across all entries • Calendar view with mood dots • PDF export and sharing • Face ID / passcode lock • 12 languages supported • Daily quotes to inspire you Your story deserves to be remembered. Start writing today. Privacy Policy: https://yharker.github.io/arkiary-legal/privacy.html Terms of Use: https://yharker.github.io/arkiary-legal/terms.html
MochiDiary
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MochiDiary is your calm, cozy space to write, plan, and reflect — designed to help you slow down and stay present in your daily life Whether you’re journaling your thoughts, tracking your mood, or planning your day, MochiDiary keeps everything simple, gentle, and beautifully organized. Journal your thoughts, your way Write freely with a soft, distraction-free experience Capture your mood and reflect on your emotions Revisit your memories anytime Plan your day with ease Add and organize tasks effortlessly Stay on track with a clean, calming planner Reschedule and manage tasks without overwhelm Private & secure backup Your data stays yours — always Secure iCloud backup keeps your memories safe Restore anytime with peace of mind Gentle reminders Stay consistent without pressure Soft notifications help you build habits naturally Never spammy, always caring Personalize your space Choose beautiful pastel themes Customize your avatar Make the app feel truly yours
Screenshots
Verdict
The clearest difference is iOS requirement: MochiDiary at 15.0 against Arkiary's 18.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Arkiary ships an update weekly, MochiDiary every 9 days. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.
| Parameter | Arkiary | MochiDiary |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly — better | Every 9 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Yangning Liu | Bilal Shahzad |
In-app purchases
Arkiary
No in-app purchases
MochiDiary
No in-app purchases
