Comparison

Okthx vs Calyn

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Okthx

This AI-powered assistant streamlines scheduling by negotiating times and confirming details across your communications. It intelligently extracts information from emails, calendars, and contacts to manage your schedule autonomously.

Highlights
  • AI-powered scheduling
  • End-to-end task management
  • Negotiates meeting times
  • Confirms details
  • Integrates with email and calendars
  • Extracts information from contacts
Features
Read full description

Okthx is a “coordination assistant” designed to handle end‑to‑end scheduling tasks—directly negotiating times with other parties and confirming details across email, calendars, and phone—so you don’t have to deal with back‑and‑forth communications. It utilizes AI to extract relevant information from emails, calendars, and contacts, allowing it to act on your behalf.

About

Calyn

Effortlessly capture and organize your life's events. This intelligent assistant allows you to add appointments from photos, voice notes, or text, detect conflicts, and find free time. Streamline your schedule and reclaim your focus.

Highlights
  • Capture events from images, audio, or text
  • Utilize templates for recurring routines
  • Share events via extension from other apps
  • Detect and resolve event conflicts
  • Find and share available time slots
  • Batch capture multiple events at once
Features
Read full description

Welcome to Calyn calm. Snap a photo. Speak a note. Got a reminder, email, text or web page? Share it straight into Calyn. Find conflicts, schedule your priorities. No more mental juggling! KEY FEATURES • Snap Events: add events from photos, voice or text. • Share from Anywhere: send events from email, messages, photos or any web page straight to Calyn. It adds them in the background and lets you know when they're on your calendar. • Your Calendars: Works with Google, Apple and Outlook. Or all of them connected at the same time. • Conflict Check: every new event checked against all your calendars. • Partner and Work: invite your partner, and block the time on your work calendar. Work invites are private, with a generic title if you'd like. • Routines: save time with ready-made routines, such as meal planning or after-school schedules. • Batch Capture: capture multiple events, repeats and reminders from a single message or image. Calyn keeps you and your partner in sync across a patchwork of apps: the WhatsApp classroom group, school emails, Smore newsletters, SignUpGenius slots, birthday Evites, the spreadsheet for soccer carpools and Girl Scout meetups, local events buried in Facebook and Instagram, and gatherings with family and friends scattered across email, WhatsApp and Messenger. Life captured, time reclaimed. That's Calyn calm. Privacy Policy: https://getcha.ai/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Okthx4 screens
Calyn4 screens

Verdict

The call

The clearest difference is in-app purchases: Okthx at none against Calyn's 2. On price, rating, ratings volume and update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Calyn sells 2 in-app purchases, starting at $4.99 per month. Okthx asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Okthx against 5.0 for Calyn. Both are backed by a comparable volume of ratings — 5 and 4 respectively.

UpkeepUpdate frequency

Okthx ships an update every 2 weeks, Calyn fortnightly. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Okthx versus Calyn: the parameters behind the verdict, then further details
ParameterOkthxCalyn
PriceFreeFree
Rating5.0 (5 ratings)5.0 (4 ratings)
Positive reviews—100.0% of reviews
Number of ratings5 — better4
Update frequencyEvery 2 weeks — betterFortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS16.4 — better17.5
Further details — not scored
Size82 MB27 MB
Age rating4+4+
DeveloperBig Basin LabsChaai LLC

Customer experience

Okthx

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Calyn

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Okthx

No in-app purchases

2 purchases

Calyn

Subscriptions2
  • Essential Plan$4.991 Month
  • Pro Plan$9.991 Month

Questions

Is Okthx free?
Okthx is free to download, with no in-app purchases.
Is Calyn free?
Calyn is free to download, with in-app purchases available.
Which has better reviews, Okthx or Calyn?
Okthx and Calyn are both rated 5.0 out of 5 on the App Store, from 5 and 4 ratings respectively.
Do Okthx or Calyn have ads?
Neither Okthx nor Calyn shows ads.
Which is updated more often, Okthx or Calyn?
Okthx ships an update every 2 weeks, and Calyn fortnightly. Most recently, Okthx was updated on November 12, 2026 and Calyn on November 5, 2026.

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