Checkout 51 vs Lumithree
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Checkout 51
This app offers cash back on groceries, gas, and prescriptions by simply uploading photos of your receipts. Discover new deals weekly on everyday items and popular brands, and earn rewards at participating gas stations. It's an easy way to save money on your regular purchases.
- Cash back on groceries
- Gas rewards and savings
- Prescription savings card
- Earn from online offers
- Upload receipt for rewards
- Weekly new deals
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Checkout 51 is a Cash Back app that saves you tons of money on your favorite brands, groceries, and necessities. New fuel rewards offer smart drivers cash back on gas too! Find grocery offers, fuel rewards and save money with coupons and Cash Back! New deals are available every week on everyday items and can be used at all your favorite stores. Gas cash back? Members can earn up to 25¢/gallon on gas purchases. Earn Cash Back at gas stations like Shell, Chevron, BP, Exxon, Mobile, etc. Earn Cash Back on Gas every time you fuel up! Cash back rewards are right at your fingertips. Get grocery promo savings, cash back offers and more right from your phone. Cash back offers are easy to redeem, just snap a photo of your receipt and earn cash back rewards. Save money with these simple steps: 1. Buy things you need at any store 2. Add offer to your C51 list 3. Upload a photo of your receipt to redeem your offer 4. Earn cash rewards! Get the savings app that gives cash back on everyday items today with Checkout 51! Savings apps mean no more: - Couponing books that waste paper - Searching everywhere for the brands you love - Coupon clipping before shopping Here’s how Checkout 51 can save you money today: Grocery — New offers are added every Thursday! We have savings on your favorite items like bread, eggs, snacks and more! And from top brands like Nivea, Welch’s, Bounce, Triscuit, and more! Gas — Earn on gas at participating stations, check the map to find one near you! Prescription — Save on your prescriptions with our Checkout 51 Prescriptions Card, powered by CleverRx. Surveys — Now you can earn free cash back, every day with surveys! Online offers — Save on participating retailers online when you shop through the Checkout 51 app. & More: It’s simple, we help you make money in your day-to-day life, however you choose to spend it. Ready to start earning? Earn Cash Back Instantly from Your Receipt: - Tap your offers, save your receipt, upload a picture of it and earn Cash Back - Cash out once you reach $20 in savings - View savings balance any time! Gas Rewards - Earn cash back rewards when you fill up your tank - Fuel rewards at the gas stations you frequent - Gas rebates to save at the pump - Gas prices comparison to help you find the best deal on gasoline - You have 4 hours from the time you add the offer to fill up your tank, so only add offers when you’re ready to get gas. Note: all gas offers must be purchased with a debit or credit card. - Upload your receipt within 24 hours. Cash Back at your Favorite Stores: - Rewards and money back from your favorite stores - Cash Back savings! Earn from: Walmart, Target, CVS, Kroger, Safeway, Walgreens, HEB, Publix, Costco, Whole Foods, Sam’s Club, Babies R Us and more! Savings apply wherever you shop! - Save the offers that interest you to help quickly find them later Stop coupon hunting and earn Cash Back on everything from grocery to household items. Save money and time with Checkout 51 to put more savings in your wallet! Checkout 51 uses your location minimally while in the background to deliver in-store offers to you at the right time. Note that continued use of GPS running in the background can dramatically decrease battery life. For support, please contact us at: https://www.checkout51.com/contact California Residents: Please follow this link to exercise your right to opt out of the sale of your personal information under the California Consumer Privacy Act - "Do Not Sell My Personal Information" [www.checkout51.com/CCPA-do-not-sell.]
Lumithree
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Lumithree application allows you to view all the Lumithree products, gallery and browse all of our latest additions and designs. Check our latest products in our categories, employees and authorized users can also view all the prices and use our easy and fast share feature to share products. you can also search for your favorite products with our quick search feature.
Screenshots
Verdict
The clearest difference is update cadence: Checkout 51 at every 6 weeks against Lumithree's every 6 months. Lumithree's advantage is iOS requirement (12.0 vs 15.6). 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.
Checkout 51 ships an update every 6 weeks, Lumithree every 6 months. The most recent releases landed on October 16, 2026 and February 22, 2026 respectively.
| Parameter | Checkout 51 | Lumithree |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (6.5K ratings) — better | — |
| Positive reviews | 40.4% of reviews | — |
| Number of ratings | 6.5K — better | — |
| Update frequency | Every 6 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 106 MB | 31 MB |
| Age rating | 17+ | 17+ |
| Developer | Checkout 51 Mobile Apps ULC | Lumithree, Inc. |
Bugs and requests
Checkout 51
Reported bugs
4 issues- Receipts not properly processed
- Offers disappearing too quickly
- App crashes and freezes
- Login and account issues
Requested features
6 requests- More variety of everyday grocery items
- Faster payout options (e.g. PayPal)
- Clearer communication on offer limits and policies
- Improved user interface and navigation
- Ability to scan barcodes for verification
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- Expand to non-grocery categories (clothing, toys, etc.)
Lumithree
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Checkout 51
No in-app purchases
Lumithree
No in-app purchases






