LifeOS vs BijaVault
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
LifeOS
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Self-Observation Method Five small practices that decide how today's you should move. Observe โ Select โ Act โ Notice โ Restore LifeOS is the best implementation of this method. You could practice it on paper. But for connecting sleep, activity, tasks, focus, and reflection into one place, LifeOS is the most natural fit. The more you continue, the more the data starts to return "your strengths and habits." Morning deep worker. Monday starter. The way your focus drops on the third session. LifeOS gives you back the final fruit of observation. "I feel off today." But you don't know why. Tasks pile up. Some days motivation just isn't there. But without knowing the cause, you repeat the same cycle. LifeOS - Self Observatory turns that vague feeling into a number. Your sleep, activity, and focus data become a daily energy score from 0 to 100. Tasks are suggested with reasons matched to your condition. The more you use it, the more your winning patterns emerge. A behavioral insight OS that tells you the best way to move through your day. Your companion for upgrading not just work, but life itself. Your Strengths + Your Observations (new in v2.5) After 14+ days of focus data, your strength type emerges โ morning deep worker, evening sprinter, steady type, monday starter, evolving. Habit observations are delivered as findings, not judgments. Strengths needing more data are previewed as "unlocking in N days." Today's Power Your daily energy, scored from sleep, activity, and calendar data. Know at a glance whether today is a day to push hard or take it easy. AI generates personalized advice that changes every day. Today's 3 Tasks recommended with reasons matched to your energy. Switch by day with the date calendar. Toggle between "To Do" and "Today" modes. Tasks abandoned 30+ days get one-tap triage. Type "tomorrow 6pm" or "every Monday" โ AI parses dates and recurrence automatically. Your Day Guide 3 tips based on your patterns, displayed every day. Auto-adapts to Power state, time of day, meeting load, and sleep. Insights "On 7+ hour sleep nights, your focus is 42% longer." Sleep vs focus, steps vs task completion, auto-correlated. The more you use it, the more your own patterns emerge. AI Monthly Review (Pro) At the start of each month, AI analyzes your previous month โ winning patterns, trends, and next-month suggestions. Reset Protocol NOT (what to avoid), GO (where you're heading), DO (today's actions). A guided reflection to regain direction. Results stay on your dashboard at all times. Pomodoro Timer Every focus session feeds your Insights. Control from Live Activity, Dynamic Island, or Apple Watch. Apple Watch + Complications Power score displayed on your watch face. Know today's state with a glance at your wrist. Weather + Power Detects approaching low pressure and factors it into your Power score. Now you know why you feel off. Life Goals Your bucket list, visualized. Track long-term goal progress. Complete Privacy All data processed on-device only. Nothing sent to external servers. Cross-Device Sync Seamlessly sync across iPhone, Mac, and Apple Watch via iCloud. No re-onboarding when you add a new device. LifeOS Pro unlocks AI Monthly Review, correlation analysis, long-term trends, unlimited tasks, and unlimited Reset Protocol via an auto-renewable subscription (monthly or yearly). Pricing varies by region and is shown in the App Store. Payment is charged to your Apple ID on purchase. The subscription auto-renews unless turned off at least 24 hours before the current period ends. Renewal is charged within 24 hours of period end. Manage and cancel in your App Store account settings. Privacy Policy: https://rkpg.net/lifeos/privacy-policy-en.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Available in Japanese and English.
BijaVault
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Just write, and AI sorts your notes so you can find them later. A Markdown notepad. BijaVault is a Markdown note app. What you write stays on your device as a plain text file, and you can access it in the Files app at any time. Nothing is locked into a private format, so your files remain readable even if you stop using the app. WRITE WHAT YOU SEE Write headings, bold text, lists, tables, and code without typing markup yourself. Everything is saved as Markdown. FIND IT LATER Filter by the type and tags written at the top of each note, then search the text and file names from there. This keeps your results precise, avoiding standard searches that match too many similar notes at once. Two-character Japanese words are searchable too. LET IT SORT ITSELF BijaVault reads each note and writes its type, title, and tags at the top of the file. Anything already written stays as it is. When two notes look alike, it suggests merging them or deleting one. Deleted notes move to a trash folder, so you can bring them back within 30 days. Organizing runs through the server while you are signed in. The text of your notes passes through the server to be organized. It is not stored there and is not used to train AI. If you don't sign in, your note text is not sent anywhere. Organizing requires sign-in and consent to send note text, and usage limits apply. SEND THINGS IN Share a URL or text from Safari or another app, and it arrives as a note. JAPANESE AND ENGLISH The interface is available in both languages. WHAT YOU GET Subscribe to Pro and creating and editing are always open. Eligible new subscribers get one month free. After that, the subscription renews automatically at the paid price unless canceled. Without a subscription, watching one rewarded ad unlocks creating and editing for three days. Reading, searching, and exporting the notes in your list does not require a subscription. Not paying never locks you out of your own notes. If you still cannot create or edit notes twenty days after the free period ends, or thirty days after your subscription expires, your notes are removed from the list. They are not deleted: they move to a dated Archive folder in Documents. Archived notes no longer appear in in-app search, but you can open them from the Files app. WHERE YOUR NOTES LIVE In Documents/Notes inside the app, as plain .md files. Terms of Use: https://bija-vault.com/terms/en/ Privacy Policy: https://bija-vault.com/privacy/en/
Screenshots
Verdict
The clearest difference is ads: LifeOS at none against BijaVault's shown. LifeOS also leads on device support (4 vs 2). BijaVault's advantage is update cadence (every 3 days vs every 8 days) and iOS requirement (17.0 vs 26.1). On price and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. LifeOS sells 2 in-app purchases, starting at $2.99 per month and BijaVault sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
LifeOS ships an update every 8 days, BijaVault every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | LifeOS | BijaVault |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days | Every 3 days โ better |
| Ads | No โ better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, Mac, Apple Watch โ better | iPhone, iPad |
| Requires iOS | 26.1 | 17.0 โ better |
| Further details โ not scored | ||
| Size | 14 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryota Kimura | TRADE CENTER, K.K. |
In-app purchases
LifeOS
- LifeOS Pro (Monthly)1 Month trial$2.991 Month
- LifeOS Pro (Yearly)1 Month trial$29.991 Year
BijaVault
- BijaVault Pro Monthly1 Month trial$4.991 Month
- BijaVault Pro Yearly1 Month trial$47.991 Year









