K2Sonnet vs Receipt Scan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
K2Sonnet
This next-generation smart assistant helps streamline your daily tasks. It offers intelligent features designed to enhance productivity and organization. Experience a smarter way to manage your workflow.
- Smart assistance
- Task management
- Workflow enhancement
- Intelligent features
- Organization tools
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K2Sonnet, Your Next-Generation Smart Assistant.
Receipt Scan
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A little proof. A lot of peace. The shoes you might return. The coffee machine you hope you won’t. KeepReceipt gives their receipts a place to stay—with Keeper, your little paper guardian. Scan or import proof of purchase, review the details, and keep return and warranty dates beside your receipts. A private, completely free app for personal purchases on iPhone and iPad. GOOD BUYS. SAFELY KEPT. • Scan multi-page paper receipts with the document camera • Import receipt images from Photos or Files, or add details manually • Review and edit on-device suggestions for merchant, date, amount and currency • Keep receipt images, items, notes, tags and purchase details together A LITTLE HEADS-UP • Set return and warranty dates and local reminders • See upcoming deadlines on Home, in Reminders and on your widgets • Choose when you want a reminder before a deadline • Mark a purchase as returned or archive it THERE WHEN YOU NEED IT • Search merchants, items, notes, tags, recognized text, amounts and dates • Organize your purchases with categories, favorites and filters • Preview your saved receipt images • Export a receipt as PDF or your library details as CSV YOUR PROOF. YOUR BUSINESS. • Receipt images and recognized text stay on your device • Recognition uses Apple’s on-device Vision technology • Optional Face ID lock protects access to your receipt library • No account, ads, analytics, tracking or developer-operated cloud storage • Delete individual receipts or all receipt data whenever you choose EVERY FEATURE FREE Unlimited receipts, all filters and sorting, Deadline Radar, widgets, PDF and CSV exports, custom reminder timing and Face ID lock. No in-app purchases or subscriptions. Text recognition is best effort. Review recognized details and the retailer’s actual return and warranty terms. You enter the dates; KeepReceipt does not look up, validate or guarantee retailer policies. Allow notifications for system reminders. Cloud sync is not included. Privacy: https://keepreceipt-app.vercel.app/privacy Terms: https://keepreceipt-app.vercel.app/terms Support: https://keepreceipt-app.vercel.app/support
Screenshots
Verdict
The clearest difference is update cadence: Receipt Scan at every 6 weeks against K2Sonnet's every 7 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. Neither carries in-app purchases, so what you see is what you pay.
K2Sonnet ships an update every 7 months, Receipt Scan every 6 weeks. The most recent releases landed on October 30, 2026 and November 13, 2026 respectively.
| Parameter | K2Sonnet | Receipt Scan |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 7 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | Shanghai Jiyue Information Technology Co., Ltd. | Peter Hlavatik |
In-app purchases
K2Sonnet
No in-app purchases
Receipt Scan
No in-app purchases
