Left vs osmos assistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Left
Visualize your time with customizable widgets for your Home Screen, Lock Screen, and StandBy. Track life progress, countdowns to important events, and monitor habits with streak tracking. Offers a clean and visually appealing way to stay aware of your time.
- Time progress widgets (year, week, day)
- Life progress tracking
- Event countdowns
- Habit and streak tracking
- Customizable widget styles and colors
- Apple Calendar sync
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Left is a time-awareness app built on one idea: your time is limited, and seeing it changes how you use it. Left turns time into something you can see, then helps you act on it with habits, streaks, countdowns, and a planner for your day. TIME LEFT See where you are in the year, month, week, day, hour, and your life. Each unit is a symbol; the past dims, what remains stays in view. Your life in weeks, year progress, and life progress, made tangible. Choose dots, symbols, colors, and layouts. A quiet, honest way to face limited time without it becoming morbid. HABITS, STREAKS & AIMS Left is a habit tracker for the person you are trying to become. Build habits on any schedule: daily, several times a day, weekly, monthly, or custom. Track streaks and protect them, count the days since anything that matters, and set reminders so nothing slips. And you don't have to do it alone: share a habit or streak with a friend, keep each other accountable, and send kudos, cheers, and encouragement when it counts. With aims, you have a flexible goal tracker for anything you can count, helping you build up or cut down. Stay on track and see your progress every day. AHEAD - COUNTDOWNS & DATES Add the dates that pull you forward: trips, birthdays, holidays, anniversaries, weddings, deadlines, retirement, and personal milestones. Count down to each one, import from Apple Calendar, and track both the days until and the days since. New: every Ahead date now has its own to-do list, so you can plan the small tasks that make the date happen and check them off as it approaches. Share an Ahead date with a friend, follow it side by side, comment, and add to-dos together on joint dates. PLANNER Planner pulls everything that matters into one beautiful, time-first view: your habits, streaks, Ahead dates, Apple Calendar events, Apple Reminders, weather, sleep, and workouts, together at last. Not another calendar, but a clear, calm picture of what the day is actually asking of you. Because everything lives in one place instead of five apps, Planner is a quiet ally for ADHD minds: see the whole day at a glance and miss nothing. Two new widgets come with it: a Planner widget and a Calendar widget for your Home Screen. FASTING TOOL A simple yet beautiful fasting tool inside Left. Pick a fasting window, start it in a tap, and follow every fast live from your Lock Screen, widgets and the Dynamic Island. Your history and stats are all there too. WHY LEFT Other apps give you habits without design, or aesthetics without depth. Left combines both: the widget range, the design quality, and the full set of time tools, in one app made with restraint and taste. Left requires a Premium plan to use its features. Choose a weekly, yearly plan or a one-time lifetime purchase to unlock everything. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
osmos assistant
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osmos is the AI super app: one agent that runs the apps you already live in. Tell it what you need in plain English and it reads your inbox, books your travel, takes the notes in your meetings, keeps your calendar straight, remembers what matters and checks in before anything slips. It acts, you approve. ONE AGENT, EVERY APP osmos isn't a chatbot with plugins. It's a set of mini apps for the things that matter, run by an agent with over 1,000 tools across 60+ services, so "sort it" is a complete instruction. INBOX, HANDLED Connect Gmail or Outlook. osmos triages the noise, flags what actually needs you and has replies drafted before you've opened the thread. Search your whole inbox in plain English. Your agent even gets its own email address so it can chase replies, arrange meetings and handle sign-ups on your behalf. PLANS THAT BOOK THEMSELVES Trains, hotels and flights. osmos finds the option you'd have picked, holds it, and pays with your saved card the moment you approve. Tickets land in your wallet as PDFs and your travel profile fills in the boring bits. NOTES THAT WRITE THEMSELVES Record a meeting, a lecture or a quick voice note. osmos transcribes it, separates who said what, and hands back a summary, the key points and the action items. Name a speaker once and it sticks. Type your own notes while you listen and they fold into the summary. Then ask osmos to chase someone on an action item, set a reminder or draft the follow-up email. Import recordings you already have, sort notes into folders, and search across every transcript from chat. A MEMORY THAT STICKS Say it once. Preferences, people, plans, the railcard you always forget. osmos remembers and quietly uses it the next time it books, drafts or plans for you. Your memories are yours to browse, edit or delete. AHEAD OF YOUR DAY Pulse checks your connected apps while you're not looking and curates what deserves your attention: a briefing before the day starts, a nudge before something slips, a drafted reply before the deadline. Routines run on your schedule and report back in glanceable cards. SLACK, CALENDAR, FILES, PLACES Slack threads searched and summarised. Google, Apple and school calendars in one place. Documents drafted and filed. Restaurants and places found near you. All from one conversation. BUILT ON TRUST - You approve every action. Sending, booking, paying and posting all wait for your explicit yes. Automation is opt-in, per tool, with limits you set. - Your mailbox stays yours. osmos reads transiently and doesn't keep a copy of your mailbox. What it does store is encrypted at rest. - Never sold, never for ads, never used to train AI models. - Leave with everything. Export your data any time. Delete your account and it's all gone. FREE TO START Every new account gets free credits to try osmos properly. Upgrade to Plus, Pro or Max for more credits, faster Pulse and more connected apps. Subscriptions are billed to your Apple ID and renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Privacy Policy: https://meetosmos.com/privacy Terms of Use: https://meetosmos.com/terms
Screenshots
Verdict
The clearest difference is iOS requirement: osmos assistant at 17.0 against Left's 26.0. On price, ads, in-app purchases 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. Left sells 28 in-app purchases, starting at $0.99 per 7 days and osmos assistant sells 6 in-app purchases, starting at $15.00 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Left | osmos assistant |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (429 ratings) — better | — |
| Positive reviews | 73.3% of reviews | — |
| Number of ratings | 429 — better | — |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Paid | — |
| Devices | iPhone | iPhone |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 244 MB | 50 MB |
| Age rating | 4+ | 17+ |
| Developer | Cntxt Limited | Brightboard AI Ltd |
Bugs and requests
Left
Reported bugs
3 issues- Widget not working
- Blank screen on widget after update
- Percentage left showing -inf%
Requested features
5 requests- Custom lifespan input
- Ability to set custom milestones
- Widget color customization
- Life widget
- Ability to track minutes left in the day
osmos assistant
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Left
- Left Premium$0.997 Days
- Left Premium$2.997 Days
- Left Premium2 variants$3.997 Days
Show 11 moreShow fewer
- Left Premium7 Days trial$8.997 Days
- LEGEND$8.991 Year
- Left Premium7 Days trial$19.991 Year
- Left Premium$19.997 Days
- Left Premium$24.991 Year
- Left Premium7 Days trial2 variants$24.991 Year
- Left Premium$29.991 Year
- Left Premium7 Days trial$29.991 Year
- Left Premium$34.991 Year
- Left Premium7 Days trial2 variants$34.991 Year
- Thanks!$39.991 Year
- Left+$0.99
- Awesome$1.99
- Left+$2.99
Show 11 moreShow fewer
- Left+$3.99
- Legend$4.99
- Left+ Thanks$5.99
- Left+$6.99
- Left+$7.99
- Left+$8.99
- Left Premium$12.99
- Left Premium$29.99
- Left Premium2 variants$49.99
- Left Premium2 variants$69.99
- Left Premium$149.00
osmos assistant
- Plus (Monthly)$15.001 Month
- Pro (Monthly)$30.001 Month
- Max (Monthly)$80.001 Month
Show 3 moreShow fewer
- Plus (Annual)$119.001 Year
- Pro (Annual)$239.001 Year
- Max (Annual)$639.001 Year









