Comparison

Strflow vs ProofKeep Receipts

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

Head to head
About

Strflow

This app offers a unique chat-style interface for taking notes, organizing them with tags, and setting reminders. It integrates seamlessly with iOS features and ensures your data is secure and exportable.

Highlights
  • Chat-style note-taking
  • Timeline organization
  • Tagging system
  • Todo lists and reminders
  • Quick capture from anywhere
  • Rich text editor
  • iCloud sync and backup
Features
Read full description

Strflow adopts a chat-style timeline format for incredibly simple and beautiful note-taking. Experience the simplicity of note-taking in a texting-yourself style. # Build Your Timeline As you jot down notes, a personal timeline naturally forms. With tags, you can also create timelines focused on specific topics. Tags can be attached or created from anywhere, and you can easily reorder them with drag & drop in the sidebar. # Todo & Reminders, Naturally in Your Timeline Strflow turns your checklists into a dedicated Todo timeline, so you can easily review tasks, check them off, and add new ones from a single view. You can also set notes for future dates and use them as reminders. Scheduled notes stay hidden until the right time, then gently surface with notifications—right when you need them. # Quick Notes Anywhere Sync quickly and capture notes from anywhere. Open the app and start typing instantly, access Strflow from the share sheet — no need to switch apps. # Native on iOS Strflow is designed natively for iOS, blending perfectly with its look and feel. It also integrates with system features like Apple Shortcuts and the share sheet—making it easy to fit into your workflow. # Your Data, 100% Yours Your data is stored safely on your device and in iCloud. When saved to iCloud, it’s encrypted with your iCloud Keychain. For those using iCloud’s Advanced Data Protection, enjoy the added security of end-to-end encryption. All data can also be exported as Markdown, so you can take it anywhere with no lock-in. # A Powerful Editor Strflow supports a wide range of rich-text editing features, including: • Link previews • Checklists • Note links • Inline formatting (bold, italic, etc.) • Block-level formatting (lists, code blocks, quote blocks, etc.) • Images --- Strflow lets you take unlimited notes for free. By joining Strflow Plus, you’ll unlock encrypted sync and backup via iCloud. Prices may vary by location. Subscriptions will be charged to your credit card via your App Store account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. Once activated, subscriptions cannot be canceled. Manage your subscriptions in your App Store Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited upon purchasing a subscription. The lifetime option is a one-time, non-renewing purchase that grants permanent access to Strflow Plus features. --- For any questions or feedback, please feel free to contact us at support@strflow.app. We are eager to assist and connect with you! Privacy policy: https://strflow.app/privacy-policy Terms of use: https://strflow.app/terms

About

ProofKeep Receipts

This app helps you quickly locate purchase proof by scanning your photo library or selected images. It automatically detects and organizes receipts, return labels, and other important documents into a private, searchable vault on your device.

Highlights
  • Auto-scan photo library
  • Local receipt detection
  • Private vault storage
  • Searchable by text and store
  • Organizes by type and month
  • Tracks return labels and warranties
Features
Read full description

ProofKeep Receipts helps you find purchase proof fast. Auto-scan your photo library locally or select images yourself to detect receipts, return labels, shipping proof, warranty details, grocery receipts, purchase proof, documents, and useful screenshots. ProofKeep copies matching proof into a private local vault, organizes it by type, store, and month, and makes it searchable by store, total, tracking number, notes, and recognized text. ProofKeep Pro Lifetime unlocks unlimited saves, a dedicated screenshot space, and Auto Scan. Auto Scan can keep checking your photo library when iOS allows background refresh, save clear proof automatically, and notify you when new receipts, documents, or screenshots need review. Free includes 10 lifetime proof saves. Deleting saved proof does not reset the free count. No account. No backend. No upload. Your scans stay on your device. Useful for: - Finding old receipts - Tracking return labels - Saving shipping proof - Keeping warranty evidence - Managing grocery receipts - Organizing Amazon, UPS, FedEx, Walmart, Costco, and Target proof - Searching purchase screenshots - Keeping useful screenshots in one place - Getting reminders before due dates

Screenshots

Strflow4 screens
ProofKeep Receipts4 screens

Verdict

The call

The clearest difference is update cadence: ProofKeep Receipts at every 2 days against Strflow's fortnightly. Strflow's advantage is ratings volume (49 vs 1). On price, rating, review sentiment and ads 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. Strflow sells 4 in-app purchases, starting at $1.49 per month and ProofKeep Receipts sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Strflow against 5.0 for ProofKeep Receipts. That said, the two scores are not equally well evidenced: Strflow has 49 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 97% of Strflow's written reviews are positive against 100% of ProofKeep Receipts's.

UpkeepUpdate frequency

Strflow ships an update fortnightly, ProofKeep Receipts every 2 days. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
Strflow versus ProofKeep Receipts: the parameters behind the verdict, then further details
ParameterStrflowProofKeep Receipts
PriceFreeFree
Rating5.0 (49 ratings)5.0 (1 ratings)
Positive reviews97.1% of reviews100.0% of reviews — better
Number of ratings49 — better1
Update frequencyFortnightlyEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size73 MB4 MB
Age rating4+4+
DeveloperShingo EguchiDeepak Sharma

Customer experience

Strflow

All ratings49 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews34 reviews
Positive97.1%
Neutral0.0%
Negative2.9%

ProofKeep Receipts

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Strflow

Subscriptions2
  • Strflow Plus (Monthly)7 Days trial$1.491 Month
  • Strflow Plus (Annual)14 Days trial$14.991 Year
One-time2
  • Strflow Plus (Lifetime, Subscriber)$27.99
  • Strflow Plus (Lifetime)$37.99
1 purchases

ProofKeep Receipts

One-time1
  • ProofKeep Pro Lifetime$1.99

Questions

Is Strflow free?
Strflow is free to download, with in-app purchases available.
Is ProofKeep Receipts free?
ProofKeep Receipts is free to download, with in-app purchases available.
Which has better reviews, Strflow or ProofKeep Receipts?
Strflow and ProofKeep Receipts are both rated 5.0 out of 5 on the App Store, from 49 and 1 ratings respectively.
Do Strflow or ProofKeep Receipts have ads?
Neither Strflow nor ProofKeep Receipts shows ads.
Which is updated more often, Strflow or ProofKeep Receipts?
Strflow ships an update fortnightly, and ProofKeep Receipts every 2 days. Most recently, Strflow was updated on October 16, 2026 and ProofKeep Receipts on October 6, 2026.

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