bac | باك vs DULIMANOPTICS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
bac | باك
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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!
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
bac | باك ships an update fortnightly, DULIMANOPTICS every 11 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.
| Parameter | bac | باك | DULIMANOPTICS |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15 — better |
| Further details — not scored | ||
| Size | 117 MB | 158 MB |
| Age rating | 4+ | 17+ |
| Developer | Cashbac, CO. | SKHAA FOR INFORMATION TECHNOLOGY EST |
In-app purchases
bac | باك
No in-app purchases
DULIMANOPTICS
No in-app purchases









