Comparison

Sublists vs DupeDetective Receipt Scanner

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

Head to head
About

Sublists

Read full description

SubLists is a clean, simple iOS app for managing all your subscriptions in one place. [KEY FEATURES] ■ Monthly Total at a Glance See the total amount you're spending this month right on the main screen, along with a comparison to last month so you can spot changes instantly. ■ Category Breakdown Visualize your spending by category — Streaming, Cloud, Gaming, and more — with a clear chart that shows exactly where your money is going. ■ Flexible Subscription Entry Set the service name, amount, payment date, category, and currency for each subscription. Enable "Monthly Recurring" to have a subscription appear automatically every month without re-entering it. ■ Multi-Currency Support Manage subscriptions in JPY, USD, EUR, GBP, and many more currencies. Perfect for international services billed in different currencies. ■ iCloud Sync Enable iCloud to keep your data automatically synced across all your iOS devices. Great if you use both an iPhone and iPad. ■ Customizable Categories Add and remove categories, and set a custom RGB color for each one. Build a management system that fits the way you think. ■ Dark Mode Support Choose from Light, Dark, or System to match your preferred display style. [SUPPORTED LANGUAGES] Japanese, English, Spanish, German, Korean, French, Traditional Chinese, Simplified Chinese

About

DupeDetective Receipt Scanner

This app acts as your personal receipt auditor, quickly identifying and flagging duplicate charges on your grocery receipts. It uses on-device AI to scan paper or digital receipts, helping you get refunds for costly billing errors. It also includes a smart grocery list manager and receipt history for organized shopping and spending tracking.

Highlights
  • Instant duplicate detection
  • On-device AI scanning
  • Smart grocery list manager
  • Receipt history and organization
  • Fast and easy to use
  • Light and dark mode support
Features
Read full description

Dupe Detective: Stop Paying for Double Scans Did the cashier accidentally scan an item twice? Did that “Buy One, Get One” deal actually ring up correctly? Grocery stores are busy, and checkout mistakes happen more often than you think. Dupe Detective is your personal receipt auditor and budget protector. Designed to catch costly double-scans and billing errors, our smart receipt scanner makes it incredibly fast and easy to verify your purchases before you even leave the parking lot. Simply snap a photo of your paper receipt or import a digital one. Our advanced, on-device AI instantly reads the line items and flags any duplicate charges so you can head straight to customer service and get your refund. Works with Costco, Kroger, Fry’s, Sam’s Club, Walmart and most major grocery stores. No subscription required. Everything is processed privately on your iPhone. Key Features Instant Duplicate Detection Quickly identifies identical or highly similar items on your receipt. Stop guessing and start verifying. 100% Private, On-Device Scanning Your financial data belongs to you. Dupe Detective uses advanced on-device OCR to read your receipts with no cloud servers, no data harvesting, and no internet connection required. Smart Grocery List More than just a scanner, Dupe Detective includes a built-in grocery list manager. Plan your shopping trips ahead of time, stay on budget, and keep everything organized in one place. Receipt History & Organization Keep a digital archive of your past shopping trips. Easily save and review scanned receipts to track spending habits, monitor price changes over time, or keep records for returns and warranties. Fast & Easy to Use Professional interface designed for quick scans. Get results in seconds so you can get on with your day. Download Dupe Detective today and start catching the charges you shouldn’t be paying for. Seamless Light & Dark Mode A beautifully designed interface that automatically adapts to your system preferences, or can be toggled manually in the app settings for comfortable viewing at any time of day. DUPEDETECTIVE PRO Upgrade to our Pro tier to unlock unlimited receipt scanning and continuous protection against checkout errors for less than the cost of a single double-scanned item! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sublists4 screens
DupeDetective Receipt Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: Sublists at none against DupeDetective Receipt Scanner's 1. DupeDetective Receipt Scanner's advantage is update cadence (every 8 days vs monthly). On price, ads, device support and iOS requirement 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. DupeDetective Receipt Scanner sells 1 in-app purchase, starting at $4.99 per year. Sublists asks for nothing beyond the download.

UpkeepUpdate frequency

Sublists ships an update monthly, DupeDetective Receipt Scanner every 8 days. The most recent releases landed on September 13, 2026 and August 20, 2026 respectively.

Scorecard2 real differences · 8 level
Sublists versus DupeDetective Receipt Scanner: the parameters behind the verdict, then further details
ParameterSublistsDupeDetective Receipt Scanner
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyMonthlyEvery 8 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS18.0 — better18.6
Further details — not scored
Size20 MB2 MB
Age rating4+4+
DeveloperRyosuke KondoMarcus Chaffee

In-app purchases

None

Sublists

No in-app purchases

1 purchases

DupeDetective Receipt Scanner

Subscriptions1
  • DupeDetectivePro7 Days trial$4.991 Year

Questions

Is Sublists free?
Sublists is free to download, with no in-app purchases.
Is DupeDetective Receipt Scanner free?
DupeDetective Receipt Scanner is free to download, with in-app purchases available.
Do Sublists or DupeDetective Receipt Scanner have ads?
Neither Sublists nor DupeDetective Receipt Scanner shows ads.
Which is updated more often, Sublists or DupeDetective Receipt Scanner?
Sublists ships an update monthly, and DupeDetective Receipt Scanner every 8 days. Most recently, Sublists was updated on September 13, 2026 and DupeDetective Receipt Scanner on August 20, 2026.

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