Subscription Assassin vs SmartScan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Subscription Assassin
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Stop getting surprised by auto‑renewals. Subscription Assassin is a focused trial & subscription tracker made for people who hate “free for 7 days… then $49” surprises. Add what you started, see what it costs, and get aggressive reminders before you’re charged — all without an account. Track trials & subscriptions Log trials, monthly plans, yearly plans, and one‑time items Add a note for “where to cancel” so future‑you won’t panic Toggle items active/paused so your totals stay honest Fast input Quick add: type something like “Tried an app today, 7 days later $49” Clean detail editing when you want full control (category, billing, dates, notes) Aggressive reminders (local notifications) Reminders fire before an auto‑charge (with actions: I canceled it / Snooze / Open) Customize your reminder strategy: lead time, reminders per day, and quiet hours One‑tap “Mark as Canceled” stops counting an item and clears its pending reminders Know what you’re spending Dashboard monthly totals and a category pie chart Next‑30‑days preview so you can spot upcoming charges early Upcoming charges list with filters (Trials / Subscriptions) and sorting (date / amount) Calendar view A monthly calendar that marks charge days and trial endings Tap a day to see what’s due, then jump directly to the item Multi‑currency support Track items in different currencies View totals and charts per currency (so numbers always make sense) Import & export Export your data to JSON or CSV anytime Import JSON/CSV to migrate or restore your tracker Privacy 100% local storage (SwiftData) and local notifications No account. No server. Your data stays on your device. Plans Free: track up to 3 items Premium: unlimited tracking + extra themes Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
SmartScan
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Looking for an instant, reliable, and privacy-focused scanner? SmartScan is your all-in-one QR code reader, barcode scanner, and code generator. Designed for seamless and high-speed performance, SmartScan gives you instant access to product details, price comparisons, and custom code creation in under a second. FAST & ACCURATE SCANNING • Instant Camera Reader: Automatically decode any QR code or standard barcode format in a fraction of a second. • Scan from Photo Library: Extract codes directly from saved screenshots and photos without retaking a picture. SMART PRODUCT & DATA LOOKUP • Food & Grocery Info: View ingredient lists and nutritional facts before you buy. • Book Finder: Instantly pull up titles, authors, and summaries using barcodes. • General Product Scanner: Scan barcodes to check product details and availability. • Quick Comparison: Compare product information to make smarter choices. CREATE, SAVE & SHARE CODES • Custom QR Generator: Easily build custom codes for website URLs, Wi-Fi networks, contacts, text, and more. • One-Tap Sharing: Export and send codes instantly via messaging apps, email, or social media. • Smart History Log: Keep all scanned and generated codes organized for quick offline retrieval anytime. WHY CHOOSE SMARTSCAN? - Shop Smarter: Access real-time product details, ingredients, and deals to make informed purchases in seconds. - Custom Code Creation: Generate polished QR codes for personal contacts, business promotions, and events. - Privacy You Can Trust: Enjoy zero mandatory sign-ins, minimal permissions, and secure on-device processing. Download SmartScan today for a faster, smarter scanning experience! Privacy Policy: https://sites.google.com/golrooster.com/privacy/home Term of Use: https://sites.google.com/golrooster.com/term/home EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Looking for an instant, reliable, and privacy-focused scanner? SmartScan is your all-in-one QR code reader, barcode scanner, and code generator. Designed for seamless and high-speed performance, SmartScan gives you instant access to product details, price comparisons, and custom code creation in under a second. FAST & ACCURATE SCANNING • Instant Camera Reader: Automatically decode any QR code or standard barcode format in a fraction of a second. • Scan from Photo Library: Extract codes directly from saved screenshots and photos without retaking a picture. SMART PRODUCT & DATA LOOKUP • Food & Grocery Info: View ingredient lists and nutritional facts before you buy. • Book Finder: Instantly pull up titles, authors, and summaries using barcodes. • General Product Scanner: Scan barcodes to check product details and availability. • Quick Comparison: Compare product information to make smarter choices. CREATE, SAVE & SHARE CODES • Custom QR Generator: Easily build custom codes for website URLs, Wi-Fi networks, contacts, text, and more. • One-Tap Sharing: Export and send codes instantly via messaging apps, email, or social media. • Smart History Log: Keep all scanned and generated codes organized for quick offline retrieval anytime. WHY CHOOSE SMARTSCAN? - Shop Smarter: Access real-time product details, ingredients, and deals to make informed purchases in seconds. - Custom Code Creation: Generate polished QR codes for personal contacts, business promotions, and events. - Privacy You Can Trust: Enjoy zero mandatory sign-ins, minimal permissions, and secure on-device processing. Download SmartScan today for a faster, smarter scanning experience! Turn on screen reader support To enable screen reader support, press Ctrl+Alt+Z To learn about keyboard shortcuts, press Ctrl+slashBanner hidden
Screenshots
Verdict
The clearest difference is update cadence: Subscription Assassin at every 5 days against SmartScan's every 3 weeks. 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. Subscription Assassin sells 2 in-app purchases, starting at $3.99 per month and SmartScan sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Subscription Assassin ships an update every 5 days, SmartScan every 3 weeks. The most recent releases landed on September 8, 2026 and September 21, 2026 respectively.
| Parameter | Subscription Assassin | SmartScan |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 96 MB |
| Age rating | 9+ | 4+ |
| Developer | 瑞华 张 | Golden Rooster |
In-app purchases
Subscription Assassin
- Subscription Assassin Pro (Monthly)$3.991 Month
- Subscription Assassin Pro$19.99
SmartScan
- SmartScan: QR & Barcode Reader3 Days trial$6.997 Days
- SmartScan: QR & Barcode Reader$9.991 Month
- SmartScan: QR & Barcode Reader$39.991 Year





