OPA App Official vs Siphon Coffee
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OPA App Official
Easily order your favorite Greek dishes for pickup or curbside. Join the loyalty program to earn points and get free treats. Send gift cards and access exclusive promotions.
- Order Greek food for pickup
- Curbside and to-go options
- Loyalty rewards program
- Earn points for free treats
- Send gift cards
- Exclusive in-app promotions
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With the Niko Niko's OPA app, it's never been easier to satisfy your Greek food cravings. From Greekfast (looking at you, breakfast pita) to our classic baklava for dessert, our to go app lets you skip the line and order takeout for curbside or to-go pick up. Be part of the Niko Niko’s family and get 100 points!! How? Just download our app and join our Loyalty rewards program! We LOVE our loyal customers, now more than ever! Earn points with each app order and receive FREE Greek treats. Gift Cards: Sharing Niko Niko's is the best way to anyone's heart. Easily send a Niko Niko's gift card to other Greek foodies through our app and keep the party going! Exclusive Access: Enjoy special in-app promotions and coupons while staying in the know about all of our daily specials. Download the app and get ready to shout OPAAA!
Siphon Coffee
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Get the best experience with the Siphon Coffee Official App: Best Prices - Ordering directly from the Siphon Coffee 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. - Earn free food with rewards points. Convenient - Re-order your favorites in seconds. - Get your food fast. Siphon Coffee Official App orders reach the kitchen first. - Skip the search. Just tap Siphon Coffee. 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 Siphon Coffee app!
Screenshots
Verdict
The clearest difference is update cadence: Siphon Coffee at every 3 weeks against OPA App Official's every 34 months. OPA App Official's advantage is iOS requirement (13.0 vs 15.1). 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.
OPA App Official ships an update every 34 months, Siphon Coffee every 3 weeks. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.
| Parameter | OPA App Official | Siphon Coffee |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (332 ratings) — better | — |
| Positive reviews | 56.3% of reviews | — |
| Number of ratings | 332 — better | — |
| Update frequency | Every 34 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 76 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | Niko Niko's Restaurants, LLC | SIPHON COFFEE, LLC |
Bugs and requests
OPA App Official
Reported bugs
6 issues- App forces users to do things that are not allowed
- Payment card information is not saved correctly
- 2 of 3 locations always show closed in the app
- Waiting on verification email for days
- Cannot resend codes or create a new sign-in
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- No way to contact tech or customer support
Requested features
4 requests- Ability to go back and enter loyalty code if forgotten
- Option to enter loyalty code from a receipt
- Add Apple Pay support
- Allow auto-population of stored credit cards
Siphon Coffee
Not enough reviews yet to summarise bugs or requests.
In-app purchases
OPA App Official
No in-app purchases
Siphon Coffee
No in-app purchases
Questions
Is OPA App Official free?
Is Siphon Coffee free?
Do OPA App Official or Siphon Coffee have ads?
Which is updated more often, OPA App Official or Siphon Coffee?
Other comparisons
