Zippin vs PopKnock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zippin
This app allows you to enter and shop at checkout-less stores. Simply download the app, add your payment method, and then use it to enter the store. Once you're finished shopping, you can leave, and your account will be charged automatically with a receipt sent shortly after.
- Enter checkout-less stores
- Add payment methods
- Shop as usual
- Automatic charging
- Digital receipts
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Get this app to shop at Zippin powered checkout-less stores. How it works: 1. Download the Zippin app and add the payment method. 2. Use the app to enter the store. Shop as you normally would. 3. When you are done shopping, you can just leave the store. Shortly after, we will charge your account, and send you the receipt.
PopKnock
Discover local businesses and services with this app. Easily find in-store pickup options, book appointments for salons and spas, and make restaurant reservations. Enjoy exclusive discounts and savings on all your purchases with no service fees.
- Local business discovery
- In-store pickup
- Appointment booking
- Restaurant reservations
- Exclusive discounts
- No service fees
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PopKnock is a local business hub that brings together a variety of merchants in the community. Through the PopKnock mobile app, customers can conveniently access in-store pickup and other services, including dining at restaurants, make inquiries to various service providers and booking appointments for nail, massage, and salon treatments. Plus, they'll enjoy savings on every purchase with exclusive discounts, store credits, and vouchers. And the best part? There are no service fees.
Screenshots
Verdict
The clearest difference is rating: PopKnock at 5.0 against Zippin's 3.3. PopKnock also leads on update cadence (every 2 weeks vs every 2 months). Zippin's advantage is ratings volume (15 vs 4) and iOS requirement (11.0 vs 15). On price, ads, in-app purchases and monetization model 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.
PopKnock holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 15 and 4 respectively.
Zippin ships an update every 2 months, PopKnock every 2 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.
| Parameter | Zippin | PopKnock |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (15 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 15 — better | 4 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15 |
| Further details — not scored | ||
| Size | 34 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Vcognition Technologies Inc | PopKnock LLC |
Customer experience
Zippin
PopKnock
In-app purchases
Zippin
No in-app purchases
PopKnock
No in-app purchases
