Cairnly vs Marc.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cairnly
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Never miss a warranty or return deadline again. Cairnly is a privacy-first receipt, warranty and item vault that keeps your important purchase records organized and reminds you before it's too late. Scan receipts, save warranty details, return deadlines, notes and documents in one place. On-device OCR extracts the text from receipts, so everything stays searchable. Optional iCloud Sync keeps your vault up to date on all your iPhones, in your own private iCloud. Key features: • Reminders before warranties and return windows end • Scan receipts and documents; the scan is attached to the item • On-device OCR: search your vault by any text on a receipt • Add photos and PDF attachments • Warranty shortcuts (1, 2 or 3 years from purchase) • Optional iCloud Sync across your iPhones (private iCloud database) • Back up your whole vault to a single file and restore it on a new device • Search, filter and sort your vault • Claim Pack PDFs with all item details and the attached receipts, for warranty, return or insurance claims • No account, no developer server, no tracking, no analytics Cairnly Pro Lifetime is a one-time non-consumable in-app purchase. It unlocks unlimited items, unlimited attachments, unlimited OCR and Claim Pack PDF export. No subscription. Free version: • Up to 5 items • 1 attachment per item • 2 successful OCR scans • Claim Pack PDF preview; PDF share/export requires Cairnly Pro • Reminders, backup and iCloud Sync are included for free Legal: Privacy Policy: https://ganitunc.github.io/cairnly-legal/privacy.html Terms of Use: https://ganitunc.github.io/cairnly-legal/terms.html Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Marc.
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Every idea sounds good in your own head. Marc is where you find out whether it holds up. The book you've wanted to write for years. A year in Lisbon. The podcast with your best friend. The little café. Marc is a thinking board for ideas of every kind – built for iPad, iPhone and Apple Pencil. You say one sentence, Marc asks two questions and builds your first board from it: clusters for the big themes, thoughts hanging off them, open questions as sticky notes beside them. Then comes the part no blank page gives you: pushback. AN AI THAT DOESN'T APPLAUD Marc is an otter with opinions. He listens, digs deeper and looks at every thought from four angles: • Thinking further – opens directions you wouldn't have reached alone. • The investor's view – what carries, what costs, what scales. • The customer's view – honest objections from the person who's meant to use it. • The sceptic – finds the unchecked assumptions. Kind, but incorruptible. Plus your own thinking styles: the CFO, operations, your toughest friend – as many as you like. Suggestions appear as dashed cards at the edge of a thought. Accept or dismiss is always your call – nothing lands on your board unasked. ASK YOUR BOARD A conversation about everything on it. Marc answers from what's actually on your board – and says so when something is missing. FROM SCATTERED THOUGHTS TO A PLAN • Coverage check – where your board is still thin. • Decision log – what you accepted, explored or dropped, and when. • Plan draft – the whole board distilled into a text you can show someone. Honest gaps included. YOUR BOARD, YOUR RULES • Categories that fit the board – rename, recolour, add your own. • Checklists, sticky notes, photos and shapes right on the canvas. • Apple Pencil sketches where words don't reach. • A calm paper-and-ink design that stays out of your way. THINK TOGETHER Share a board by invitation or link. Editors work live on the same sheet – cursors, movements, even pencil strokes in real time. Reactions and comments live on the thought, not in a chat beside it. MARC STAYS WITH IT If you like, Marc reminds you – never with a slogan, always with something from your board. And if you don't come back, he goes quiet. START FOR FREE Marc drafts your first board for free, and the first questions and suggestions are on the house. Boards, sketches, sharing and collaboration stay free. Marc+ unlocks the part that thinks with you: unlimited perspectives, unlimited chat, the plan draft. Marc+ is available monthly or yearly. Payment is charged to your Apple ID and renews automatically unless cancelled at least 24 hours before the period ends. Manage or cancel anytime in your App Store settings. Terms: https://www.marc-ai.app/terms Privacy: https://www.marc-ai.app/privacy
Screenshots
Verdict
The clearest difference is update cadence: Marc. at every 5 days against Cairnly's every 2 months. 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. Cairnly sells 1 one-off in-app purchase and Marc. sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.
Cairnly ships an update every 2 months, Marc. every 5 days. Both last shipped on October 25, 2026.
| Parameter | Cairnly | Marc. |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 7 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Gani Tunc | Julian Hobmeier |
In-app purchases
Cairnly
- Cairnly Pro Lifetime$8.99
Marc.
- Marc Plus Monthly$8.991 Month
- Marc Plus Yearly$59.991 Year









