Comparison

bac | باك vs DULIMANOPTICS

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

Head to head
About

bac | باك

Features
Read full description

Change how you pay, and multiply your money with bac! Bac is your smart wallet for purchasing digital Vouchers for your favorite brands and stores. It’s simple: Instead of paying cash or card directly at the store, buy a Store Voucher through the bac app, and get Instant Cashback deposited into your wallet. Why bac? * In-Store & Online: Maximum flexibility! Use your purchased Vouchers to pay at physical Store Branches or on the brand's Website/App. * Instant Real Cashback: The moment you buy a Voucher, the Cashback drops into your wallet immediately. * Simple Currency (Coins): No confusing points systems. At bac, 1 Coin = 1 SAR. Period. * Total Freedom: Use your earned Coins to buy your next Voucher immediately, or save them up for later. It’s your money. * No Expiration: Your Coins never expire. They stay in your wallet until you decide to use them. How it works? * Browse and select your favorite brand. * Buy a Voucher for the amount you need (e.g., 100 SAR). * Boom! Instant Cashback: (Example: If the Cashback is 10%, you instantly get 10 Points = 10 SAR added to your wallet). * Use the Voucher to pay at the cashier or online checkout. Download bac Now.. and shop smarter, online & offline!

About

DULIMANOPTICS

Discover a wide selection of prescription and sunglasses with modern designs from top brands. Enjoy a seamless shopping experience with detailed product information, exclusive offers, and advanced search filters. Find the perfect eyewear for daily comfort or a unique look.

Highlights
  • Wide selection of sunglasses and prescription glasses
  • Easy categories for faster shopping
  • Detailed product information
  • Exclusive in-app offers and discounts
  • Fast and secure shopping experience
  • Advanced search and filters
Features
Read full description

Our app is your ultimate destination for purchasing high-quality prescription and sunglasses with modern designs that suit all tastes. We provide you with a complete and seamless shopping experience, allowing you to browse a wide range of eyewear from the most famous international and local brands, with continuous updates of the latest models and trends. App Features: A wide selection of sunglasses and prescription glasses Easy categories for faster shopping experience Detailed product information (materials, lenses, sizes) Exclusive in-app offers and discounts Fast and secure shopping experience Advanced search and filters by style, price, or brand Simple and user-friendly design Whether you are looking for prescription glasses for daily comfort or stylish sunglasses for a unique look, you will find everything you need in one place. Start now and enjoy a different shopping experience that combines elegance, quality, and comfort.

Screenshots

bac | باك4 screens
DULIMANOPTICS4 screens

Verdict

The call

bac | باك and DULIMANOPTICS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

bac | باك ships an update fortnightly, DULIMANOPTICS every 11 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

ScorecardNo meaningful differences
bac | باك versus DULIMANOPTICS: the parameters behind the verdict, then further details
Parameterbac | باكDULIMANOPTICS
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyFortnightlyEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS16.615 — better
Further details — not scored
Size117 MB158 MB
Age rating4+17+
DeveloperCashbac, CO.SKHAA FOR INFORMATION TECHNOLOGY EST

In-app purchases

None

bac | باك

No in-app purchases

None

DULIMANOPTICS

No in-app purchases

Questions

Is bac | باك free?
bac | باك is free to download, with no in-app purchases.
Is DULIMANOPTICS free?
DULIMANOPTICS is free to download, with no in-app purchases.
Do bac | باك or DULIMANOPTICS have ads?
Neither bac | باك nor DULIMANOPTICS shows ads.
Which is updated more often, bac | باك or DULIMANOPTICS?
bac | باك ships an update fortnightly, and DULIMANOPTICS every 11 days. Most recently, bac | باك was updated on November 9, 2026 and DULIMANOPTICS on October 31, 2026.

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