Comparison

bac | باك vs QST قست

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

QST قست

Features
Read full description

QST is a shopping and installment management app designed to make purchasing products easier and more convenient. Browse available products, view product details and installment options, and choose the purchasing option that works for you. With QST, you can: • Browse products and categories • View product prices and availability • Review installment plans before purchasing • Track your orders and purchases • View upcoming installment payments and due dates • Receive payment reminders and important notifications • Receive updates when selected products become available • Manage your account directly from the app QST provides clear information about your installment schedule so you can easily follow completed and upcoming payments. Product availability, pricing, installment periods, and purchasing options may vary depending on the selected product.

Screenshots

bac | باك4 screens
QST قست4 screens

Verdict

The call

The clearest difference is update cadence: bac | باك at fortnightly against QST قست's every 6 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

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, QST قست every 6 weeks. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

Scorecard1 real difference · 5 level
bac | باك versus QST قست: the parameters behind the verdict, then further details
Parameterbac | باكQST قست
PriceFreeFree
Update frequencyFortnightly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size117 MB51 MB
Age rating4+17+
DeveloperCashbac, CO.hogr ali

In-app purchases

None

bac | باك

No in-app purchases

None

QST قست

No in-app purchases

Questions

Is bac | باك free?
bac | باك is free to download, with no in-app purchases.
Is QST قست free?
QST قست is free to download, with no in-app purchases.
Do bac | باك or QST قست have ads?
Neither bac | باك nor QST قست shows ads.
Which is updated more often, bac | باك or QST قست?
bac | باك ships an update fortnightly, and QST قست every 6 weeks. Most recently, bac | باك was updated on November 9, 2026 and QST قست on November 6, 2026.

Other comparisons