Killer Burger vs Sinju Sushi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Killer Burger
Earn points and unlock rewards like free fries and desserts by playing games and completing challenges. Discover mystery boxes for exclusive prizes and puzzle pieces. Streamline your ordering and make every visit more rewarding.
- Mystery Boxes
- Earn points for rewards
- Play games like Wordle
- Complete quests and challenges
- Birthday rewards
- Exclusive challenges
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Unlock Mystery Boxes to score instant rewards, puzzle pieces, and exclusive challenges. Earn points for free fries, birthday desserts, and even full-on burger rewards — all while playing games like Wordle-style puzzles and completing quests. Stack your wins. Skip the hassle. Killer Rewards makes every visit a little more killer.
Sinju Sushi
Order directly from the official app for exclusive discounts and the best prices on your favorite meals. Enjoy convenient reordering, fast kitchen priority, and real-time order tracking for a seamless experience. Support a local business while enjoying secure payments and reliable delivery estimates.
- Best prices and exclusive discounts
- Convenient reordering
- Priority kitchen orders
- Real-time order tracking
- Secure payments
- Support local business
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Get the best experience with the Sinju Sushi Official App: Best Prices - Ordering directly from the Sinju Sushi app saves you money (including any delivery fees). - Be the first to know about discounts & coupons. - Our best prices are always shown in the app. Convenient - Re-order your favorites in seconds. - Get your food fast. Sinju Sushi Official App orders reach the kitchen first. - Skip the search. Just tap Sinju Sushi. Reliable - Real-time order tracking. - Accurate pickup and delivery time windows. - Secure payments using bank-level encryption. Support a Local Business - You're helping a local business every time you use the Sinju Sushi app!
Screenshots
Verdict
The clearest difference is rating: Sinju Sushi at 5.0 against Killer Burger's 3.7. Sinju Sushi also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 4 months). Killer Burger's advantage is ratings volume (148 vs 4). On price, in-app purchases, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sinju Sushi holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Killer Burger has 148 ratings behind it against 4, so its average is the more settled of the two.
Killer Burger ships an update every 4 months, Sinju Sushi every 2 weeks. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.
| Parameter | Killer Burger | Sinju Sushi |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (148 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 35.3% of reviews | — |
| Number of ratings | 148 — better | 4 |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 24 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | Killer Burger | CJ WORLD, INC. |
Customer experience
Killer Burger
Sinju Sushi
Bugs and requests
Killer Burger
Reported bugs
18 issues- App crashes frequently
- Cannot log in after update
- Delivery function does not work
- Rewards points not earned
- Unable to place orders
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- App won't open
- Location services for rewards do not work
- Tipping resets if order doesn't go through
- Cannot customize certain ingredients (e.g., remove mayo)
- App sends marketing messages by default
- Order notifications are not sent
- Promotions/deals don't work
- Contact Us section fails to send messages
- Cannot redeem rewards
- App uses location excessively
- Cannot edit reorders
- App freezes or is unresponsive
- Credit card processing errors
Requested features
8 requests- Allow customization of all ingredients
- Fix rewards system
- Improve app UI/UX
- Add Apple Pay integration
- Allow scanning receipts for points
Show 3 moreShow fewer
- Add 'Burger of The Month'
- Allow editing reorders
- Improve password and payment integration
Sinju Sushi
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Killer Burger
No in-app purchases
Sinju Sushi
No in-app purchases
Questions
Is Killer Burger free?
Is Sinju Sushi free?
Which has better reviews, Killer Burger or Sinju Sushi?
Do Killer Burger or Sinju Sushi have ads?
Which is updated more often, Killer Burger or Sinju Sushi?
Other comparisons
