Margin vs Kalpa
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Margin
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Turn any article into a short, intelligent summary you can read โ or listen to, hands-free. Margin is the reader's companion for busy people. Paste a link and Margin delivers a concise AI summary in your language, ready to play aloud while you commute, cook, walk, or work. The articles you meant to read finally get read. โ WHY MARGIN โ โข Read more in less time. Key points, no filler. โข Listen instead of read. Adjustable playback speed for every moment. โข Break the language barrier. Summarize foreign articles in your own language. โข Never lose a good link. Every summary is saved in your searchable library. โ HOW IT WORKS โ 1. Copy any article link, from anywhere. 2. Paste it in Margin โ or tap "Share to Margin" from Safari, News, Mail, or any social app. 3. Get an AI-powered summary in seconds. 4. Tap play to listen, or read right there. โ FEATURES โ โข AI summaries powered by a state-of-the-art language model with live web access, so even today's news is fair game. โข Automatic translation to your device language. Read a Brazilian op-ed in English, or a New York Times piece in Portuguese โ same app. โข High-quality text-to-speech with adjustable speed, from a relaxed pace to double-time for skimming by ear. โข Share Extension: summarize directly from Safari, Apple News, Mail, Twitter/X, Reddit, LinkedIn, or any app that shares links. โข Local summary library. Search past summaries, revisit them offline, share them onward. โข Editorial design built for focused reading โ serif typography, generous margins, light and dark modes. โข Accessibility-first. Dynamic Type, VoiceOver, and Reduce Motion supported throughout. โ PLANS โ โข Free: 5 summaries per month to try Margin, no subscription required. โข Basic: 15 summaries per week at $2.99/week or $39.99/year. โข Pro: unlimited summaries plus short, long, and bullet-point formats at $5.99/week or $79.99/year. Pro Yearly includes a 7-day free trial. Basic and Pro are auto-renewable subscriptions. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions auto-renew until cancelled. Manage or cancel anytime in your App Store account settings at least 24 hours before the renewal date; any unused portion of a free trial is forfeited when you purchase a subscription. โ PRIVACY โ Margin doesn't ask for your contacts, camera, microphone, or location. Your library syncs through your private iCloud account so it follows you across devices and reinstalls โ it never leaves your iCloud. โ TERMS OF USE โ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Give yourself your time back. Download Margin.
Kalpa
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Kalpa is a second brain for everything people tell you. Let it listen through your day on iPhone, Apple Watch or AirPods, and it remembers who said what, what you promised and what they owe you. No new gadget to buy. Later, just ask: "What did Andrew and I agree on last time?" Kalpa answers from your own recordings and shows the conversation the answer came from. REMEMBERS PEOPLE - Everyone you talk to, sorted by person: clients, family, friends - What you owe them and what they owe you - What is worth asking about next time, like a birthday or a new job EVERY PROMISE, KEPT - Commitments are caught in conversation, yours and theirs - Today shows what needs you, with one tap to mark it done - Prep for a meeting with a brief of unfinished business (paid plans) JUST ASK - Chat with everything you have recorded - Every answer links back to the recording it came from - AI summaries, key points, decisions and open questions for each recording - Topics sort themselves: projects, trips, family, health RECORD ANY WAY YOU LIKE - A sound recorder on iPhone and Apple Watch: tap record, keep it going with the screen locked - Voice notes, voice memos, meetings, lectures, interviews and brain dumps - Import audio and video files, or paste a podcast or video link - Share a voice message or video to Kalpa from any app PRIVATE BY DESIGN - Kalpa transcribes speech to text on your iPhone in 25 languages and switches on its own - Your recordings never leave your phone. Only the text syncs, so you can ask about it - For links, Kalpa keeps the transcript, not the media - Delete your account and everything in it from Settings MADE FOR - Founders and managers: meeting notes and follow-ups without a note taker in the call - Students: record a lecture, ask it questions later - Doctor visits and caring for family: remember what the doctor said and what to do next - Busy and ADHD brains: brain dump by voice, find it when you need it - Journaling: keep a voice journal or diary, a lifelog to look back on your days FAIR PRICING Start free. New subscribers get 7 days of Plus free. Cancel anytime in your Apple ID subscription settings, in a couple of taps. SUBSCRIPTION INFORMATION Kalpa Plus (monthly or yearly) and Kalpa Ultra (monthly) are auto-renewable subscriptions. Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel subscriptions in your App Store account settings. Privacy Policy: https://kalpaapp.com/legal/privacy.html Terms of Use: https://kalpaapp.com/legal/terms.html
Screenshots
Verdict
The clearest difference is ads: Margin at none against Kalpa's shown. Kalpa's advantage is update cadence (weekly vs every 2 months). On price, in-app purchases, device support and iOS requirement 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. Margin sells 4 in-app purchases, starting at $2.99 per 7 days and Kalpa sells 4 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.
Margin ships an update every 2 months, Kalpa weekly. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.
| Parameter | Margin | Kalpa |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Weekly โ better |
| Ads | No โ better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 18.0 | 17.0 โ better |
| Further details โ not scored | ||
| Size | 22 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Diego Santos | Artem Melnikov |
In-app purchases
Margin
- Basic Plan3 Days trial$2.997 Days
- Pro Plan$5.997 Days
- Basic Yearly$39.991 Year
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- Pro Yearly7 Days trial$79.991 Year
Kalpa
- Kalpa Plus7 Days trial$14.991 Month
- Kalpa Plus$14.991 Month
- Kalpa Ultra$29.991 Month
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- Kalpa Plus Yearly7 Days trial$99.991 Year









