Comparison

Kosher Without Borders vs Rocket Slice

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Kosher Without Borders

Discover kosher food options, prayer services, and travel guides worldwide. Find nearly 4000 kosher restaurants and hundreds of kosher supermarkets. Explore kosher-friendly destinations and locate eruvs for convenience.

Highlights
  • Kosher restaurant directory
  • Kosher supermarket listings
  • Minyanim finder
  • Eruv information
  • Kosher-friendly country guides
  • Map-based discovery
Features
Read full description

The best Kosher app just got even better — with a brand-new modern design! • Almost 7,000 kosher places worldwide — restaurants, supermarkets, bakeries, wineries & more. • Minyanim & synagogues, added daily. • Find an eruv and bring the baby! • Country & city guides for kosher-friendly travel. • Explore everything on a fast, interactive map. • Now in 6 languages: English, Spanish, Hebrew, French, Portuguese & Russian. • Report updates or kosher-certification changes via WhatsApp. Own a kosher business? Claim your listing in our Owner Portal to add your menu, photos, hours and more — free. Tell us what features you'd like next! Eat kosher anywhere. Get the free app now!

About

Rocket Slice

Easily order your favorite meals with this food delivery app. Browse menus, customize dishes, and securely pay for your order. Receive notifications when your food is ready for pickup or delivery.

Highlights
  • Browse and customize menu items
  • Secure payment system
  • Save delivery addresses and payment methods
  • Schedule orders up to 7 days in advance
  • View restaurant location and hours
Features
Read full description

Your ideal meal is just a few taps away. Download the Rocket Slice app free for iPhone today. With the Rocket Slice mobile app, ordering food has never been easier. Whether you're looking for a quick snack or a full meal, we've got you covered. Just browse our easy-to-use menu, customize it how you'd like, place your order using our secure payment system, and sit back! A push notification will alert you when your order will be ready. With the Rocket Slice app, you can: - Browse our menu for your favorite dishes and customize them how you'd like - Save your delivery addresses and payment methods securely to check out in just a few taps - Place future food orders up to seven days in advance - Get restaurant location, hours, and contact information

Screenshots

Kosher Without Borders4 screens
Rocket Slice4 screens

Verdict

The call

The clearest difference is ratings volume: Kosher Without Borders at 135 against Rocket Slice's 41. On price, rating, update cadence and ads 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Kosher Without Borders against 5.0 for Rocket Slice. Both are backed by a comparable volume of ratings — 135 and 41 respectively.

UpkeepUpdate frequency

Kosher Without Borders ships an update every 3 weeks, Rocket Slice monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
Kosher Without Borders versus Rocket Slice: the parameters behind the verdict, then further details
ParameterKosher Without BordersRocket Slice
PriceFreeFree
Rating4.9 (135 ratings)5.0 (41 ratings) — better
Positive reviews95.6% of reviews—
Number of ratings135 — better41
Update frequencyEvery 3 weeks — betterMonthly
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size101 MB112 MB
Age rating12+4+
DeveloperDANIEL NAJMANRocket Slice, LLC

Customer experience

Kosher Without Borders

All ratings135 ratings
Positive97.0%
Neutral1.5%
Negative1.5%
Written reviews91 reviews
Positive95.6%
Neutral2.2%
Negative2.2%

Rocket Slice

All ratings36 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Kosher Without Borders

Reported bugs

2 issues
  • Keyboard does not disappear
  • Some listings are outdated/incorrect

Requested features

2 requests
  • Dark mode option
  • Advanced search filters

Rocket Slice

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Kosher Without Borders

No in-app purchases

None

Rocket Slice

No in-app purchases

Questions

Is Kosher Without Borders free?
Kosher Without Borders is free to download, with no in-app purchases.
Is Rocket Slice free?
Rocket Slice is free to download, with no in-app purchases.
Which has better reviews, Kosher Without Borders or Rocket Slice?
Rocket Slice is rated higher. Kosher Without Borders averages 4.9 out of 5 from 135 ratings, while Rocket Slice averages 5.0 from 41 ratings.
Do Kosher Without Borders or Rocket Slice have ads?
Both Kosher Without Borders and Rocket Slice show ads.
Which is updated more often, Kosher Without Borders or Rocket Slice?
Kosher Without Borders ships an update every 3 weeks, and Rocket Slice monthly. Most recently, Kosher Without Borders was updated on October 29, 2026 and Rocket Slice on October 24, 2026.

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