Comparison

Karo vs Readbase

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

Head to head
About

Karo

This app simplifies task management by allowing you to delegate tasks to anyone in your contacts, even if they don't have the app. It offers collaborative features, smart reminders, and AI assistance to break down complex tasks. Enjoy a clean, chat-style interface for seamless organization and delegation.

Highlights
  • Task delegation to contacts
  • Collaborative group task management
  • Cross-platform task accessibility
  • AI-powered task breakdown
  • Smart reminders and notifications
  • Apple Reminders integration
  • Chat-style interface
Features
Read full description

Karo is the first of its kind task manager with a focus on delegating tasks! Just install Karo, assign a task to anyone in your contacts and they receive it whether they are on or off the app - it is that simple. KEY FEATURES - Task delegation: Send a task to anyone in your contacts. The assigned person need not be on the app and they'll receive it via WhatsApp or as a message and can perform actions for which you get notified. They would receive a link to the task to complete it. We even remind them so you don't have to! - Collaboration: Just like group chats, but with a checkboxes. Create groups just like how you already do on iMessage or WhatsApp and start collaborating right away. No invites, no complications, simple, efficient and extremely powerful! - Cross-Platform Accessibility: The person you delegate tasks to need not be on the app, they receive it on WhatsApp or as a message with a link which allows them to complete or cancel the task seamlessly. - Activities: We keep track of all activities so you never miss any notifications. - Reliable Notifications: Karo's intelligent notifications ensure that one never misses the deadline for your precious tasks! - Smart Reminders: We try our best to ensure your tasks are completed. We send automatic smart reminders to all the people you've delegated tasks to. - Karo AI: Functional assistant to help you to refactor your thoughts into actionable tasks. It breaks down your larger tasks into smaller actionable tasks too. - Intuitiveness: Karo's clean and familiar chat style interface makes it easy to delegate, organize, and manage tasks. - Deadlines & Reminders: Set deadlines & multiple reminders to your task. - Apple Reminders Integration: Delegate your reminders from Apple Reminders with a seamless bidirectional sync with Apple reminders. Everything you do in the app would reflect in Apple Reminders and vice-versa! - No Contact Syncing: We respect your privacy. Contacts are **only** used offline(on device), and never synced outside. Some other key features: - Automatic date detection - Attachments (images, PDF, etc) - Recurring tasks - Rich search experience - Multi select tasks - 20+ themes - Widgets (Lock Screen + Home Screen + Stand By) - Siri Shortcuts - App Intents With a simple and familiar design, Karo is set to change the way people send tasks and share todo lists! It is perfect for any and everyone that rely on messaging apps to delegate tasks QUESTIONS? If you have any questions, or run into any trouble, please contact us. We would love to help you out. Privacy Policy - https://www.karo.chat/privacy Terms of Use - https://www.karo.chat/tos

About

Readbase

Features
Read full description

Readbase is the inbox that's just for newsletters. Get your own private @readbase.io address, move your Substack and other subscriptions there, and every newsletter arrives with an AI summary. Get the point in seconds instead of reading every word, and save 4+ hours every month. Free to start. No credit card required. YOUR PRIVATE NEWSLETTER INBOX • Your own @readbase.io address, just for newsletters. • Subscribe once and keep newsletters completely out of Gmail, Outlook and your work email. • Moving from Substack takes one email change, and every subscription follows. • Substack's own notification emails stay out by default, so you only see the posts. AI SUMMARIES FOR EVERY NEWSLETTER • Every newsletter arrives with a summary crafted for long-form writing. Get the key ideas before you even open it. • Daily Recap: start each morning with one AI summary of your unread newsletters, so you know what's worth reading at a glance. • Ask AI: ask anything about a newsletter, or select a passage to have it explained. (Premium) Skim the summary, ask AI for the rest, and read in full only what is worth it. READ ANYWHERE • Offline Mode: everything stays available on flights and commutes. • iPhone and web: read in the app or at readbase.io, always in sync. • Siri & Shortcuts: ask Siri for your latest summary, or mark a subscription as read, hands-free. STAY IN CONTROL • 1-Click Unsubscribe: drop the newsletters you stopped reading in seconds. • Bookmarks: keep the newsletters you want to come back to. • Reading Stats: see what you actually read and build better reading habits. (Premium) WORKS WITH EVERY NEWSLETTER Read newsletters from Substack, Beehiiv, Ghost, Kit (ConvertKit), Medium, Buttondown, Mailchimp and any other provider that sends by email. One app for all your newsletter subscriptions, from daily briefings to long-form essays. PRIVACY-FIRST Your newsletters are yours. Readbase doesn't sell your data, and newsletter content is only used to power features like summaries and offline reading. FREE AND PREMIUM Readbase Free: your private @readbase.io inbox, AI summaries for every newsletter, Daily Recap, 1-click unsubscribe, bookmarks and offline reading. Readbase Premium adds Ask AI, the latest AI models for your summaries, Reading Stats with monthly insights, smart unsubscribe suggestions and push notifications for new newsletters. Billed monthly or annually. Cancel anytime. If newsletters are getting lost in your email, Readbase gives them a calm home of their own: just newsletters, summarised and ready to read. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://readbase.io/legal/privacy

Screenshots

Karo4 screens
Readbase4 screens

Verdict

The call

The clearest difference is iOS requirement: Karo at 16.0 against Readbase'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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Karo sells 7 in-app purchases, starting at $3.99 per month and Readbase sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Karo ships an update weekly, Readbase every 9 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

Scorecard1 real difference · 9 level
Karo versus Readbase: the parameters behind the verdict, then further details
ParameterKaroReadbase
PriceFreeFree
Rating4.7 (36 ratings) — better—
Positive reviews88.9% of reviews—
Number of ratings36 — better—
Update frequencyWeekly — betterEvery 9 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, Mac — betteriPhone
Requires iOS16.0 — better18.0
Further details — not scored
Size46 MB22 MB
Age rating4+17+
DeveloperMsquare Labs Technologies Private LimitedLlingas LTD

In-app purchases

7 purchases

Karo

Subscriptions5
  • Karo Plus$3.991 Month
  • Karo Plus Family$8.491 Month
  • Karo Plus$29.991 Year
Show 2 more
  • Karo Plus7 Days trial$29.991 Year
  • Karo Plus Family$49.991 Year
One-time2
  • Karo Plus$129.99
  • Karo Lifetime Family$179.99
4 purchases

Readbase

Subscriptions4
  • Readbase Premium - Monthly$4.991 Month
  • Readbase Premium - Monthly7 Days trial$4.991 Month
  • Readbase Premium - Annual$39.991 Year
Show 1 more
  • Readbase Premium - Annual7 Days trial$39.991 Year

Questions

Is Karo free?
Karo is free to download, with in-app purchases available.
Is Readbase free?
Readbase is free to download, with in-app purchases available.
Do Karo or Readbase have ads?
Neither Karo nor Readbase shows ads.
Which is updated more often, Karo or Readbase?
Karo ships an update weekly, and Readbase every 9 days. Most recently, Karo was updated on October 30, 2026 and Readbase on November 9, 2026.

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