Comparison

d6 School Communicator vs Karri

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

Head to head
About

d6 School Communicator

This application streamlines communication between schools and parents. It provides essential information at your fingertips, allowing you to personalize the content you receive for the most relevant updates.

Highlights
  • Streamlined school-parent communication
  • Essential information access
  • Personalized content delivery
  • Real-time updates
Read full description

The d6 School Communicator is a stand-alone application designed to simplify school-parent communication. The d6 School Communicator includes all the information an engaged parent would need at the touch of a button. You may personalise the information you would like to receive, giving you the latest information relevant to you.

About

Karri

This app simplifies payments to schools and community organizations, eliminating the need for cash. It offers instant payments, reminders for upcoming events, and a secure digital wallet for easy transactions. The goal is to create safer environments by reducing cash handling.

Highlights
  • Instant payments via MasterCard/Visa
  • Digital wallet for stored funds
  • Payment reminders for events
  • Add events to calendar
  • Transaction history
  • Manage multiple children's payments
  • Pay for school items and fees
Features
Read full description

Karri allows you to make safe, quick and convenient payments back to your school or other community organization. So far, we’ve removed millions of dollars of cash from schools in South Africa and Australia. Download the app, register an account (in less than 60 seconds), choose your preferred payment mechanism and make an instant payment back to your organization. Forget to pay? No problem. Karri will send you a friendly reminder so you or your child never miss an event/outing/fundraiser again. Help us remove cash from schools and community organizations making them a safer place for all. - Make an instant payment to your organization from your MasterCard or Visa - Store funds in your Karri wallet to make sure you never miss a payment again - Receive a convenient reminder if you forget about a payment - Add all events to your calendar, straight from the Karri app - No bank charges! Karri is completely free to use. Karri has made paying your school, church or sports club insanely fast and easy. - Check all your transactions on the Karri transaction history - Add your children to the app so you can make payments on their behalf - Pay for stationery, textbooks or school fees simply and easily from your Karri app. - Karri supports numerous payment types. Sports tours or ticket sales? No problem Download our free app to make payments and orders to your organization simple and hassle-free Download the Karri app for a secure mobile wallet, instant payments, instant orders and so much more! To make a payment, scan the QR code provided by your school and choose the amount. Alternatively, they may request (if you've given them permission) from you directly. Welcome to a world beyond cash in envelopes and painful bank transfers. Welcome to Karri.

Screenshots

d6 School Communicator4 screens
Karri4 screens

Verdict

The call

The clearest difference is review sentiment: Karri at 91% against d6 School Communicator's 40%. Karri also leads on ads (none vs shown) and rating (4.8 vs 4.5). d6 School Communicator's advantage is monetization model (ad-supported vs free with in-app purchases). On price, ratings volume, update cadence and in-app purchases 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

Karri holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 105 and 225 respectively. Written reviews point the same way: 40% of d6 School Communicator's written reviews are positive against 91% of Karri's.

UpkeepUpdate frequency

d6 School Communicator ships an update monthly, Karri every 5 weeks. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
d6 School Communicator versus Karri: the parameters behind the verdict, then further details
Parameterd6 School CommunicatorKarri
PriceFreeFree
Rating4.5 (105 ratings)4.8 (225 ratings) — better
Positive reviews39.5% of reviews91.3% of reviews — better
Number of ratings105225 — better
Update frequencyMonthly — betterEvery 5 weeks
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size54 MB65 MB
Age rating4+4+
Developerd6 group (Pty) LtdEducation Payment Solutions (Pty) Ltd

Customer experience

d6 School Communicator

All ratings105 ratings
Positive89.5%
Neutral2.9%
Negative7.6%
Written reviews129 reviews
Positive39.5%
Neutral9.3%
Negative51.2%

Karri

All ratings225 ratings
Positive94.7%
Neutral3.1%
Negative2.2%
Written reviews115 reviews
Positive91.3%
Neutral0.9%
Negative7.8%

User reviews

d6 School Communicator

From 105 App Store ratings

What we love

  • 👍 Centralized information source
  • 👍 Easy to use and navigate
  • 👍 Good for school communication
  • 👍 Keeps parents informed
  • 👍 Useful for catching up on studies

Room to improve

  • 🐛 App crashes frequently
  • 🐛 Frequent connectivity issues
  • 🐛 Intrusive advertisements
  • 🐛 Difficult to navigate
  • 🐛 Hides critical information

Karri

From 225 App Store ratings

What we love

  • 🚀 Quick and efficient service
  • 👍 User-friendly and convenient app
  • 🌟 Exceptional customer support
  • ✅ Seamless payment processing
  • 💡 Proactive issue resolution

Room to improve

  • 😞 Links for help don't work
  • ❌ No support available
  • 📅 Inappropriate notification timing
  • 🚫 Bank cards not linked for overseas users
  • ❓ Missing payments

Bugs and requests

d6 School Communicator

Reported bugs

90 issues
  • Forms not submitting or showing completed status
  • App hangs when submitting forms
  • New messages not showing
  • Message not found error
  • Documents exiting out or opening blank pages
Show 85 more
  • Connectivity issues, stating not connected to internet
  • Failure to capture responses on forms
  • Repeated submissions not captured
  • App crashes
  • App resets and cannot redownload
  • App not working after updates
  • App stuck on wrong region
  • Cannot select school
  • Notifications not working
  • Forgot school after update
  • Update has no categories
  • No search bar in new version
  • Old communication not cleared
  • App not working as intended
  • App not working after email/OTP update
  • App not working on iPhone 11
  • Layout not optimized for modern phones
  • Notifications don't work
  • Login required, skip option doesn't work
  • Not connecting to Internet
  • Appallingly useless, no notifications received
  • Glitching, says not connected to internet
  • Calendar crashes
  • Personalize > subscribed channels crashes
  • App froze when choosing channels
  • Freezes all the time
  • Skip button does not work
  • New version problem, blank page on news feed
  • Lost all school stuff after update
  • Cannot reload school stuff
  • Menus not indented
  • Cannot filter by relevance
  • Useless, doesn't work on iPhone
  • Doesn't filter by choices
  • Completely blank, no schools listed
  • Lots of missing features
  • Flaky
  • App crashes on opening
  • App crashes at startup
  • Servers aren't connecting
  • Nothing is saving
  • App doesn't update
  • Fails to update content
  • Registration fails
  • Installation on Mac OS impossible
  • App won't open
  • Crashes after opening
  • Servers unavailable
  • Crashes in loops
  • App is terrible, doesn't work properly
  • New design not good
  • Difficult to find the right info
  • App doesn't even open
  • Crashes and doesn't update/work
  • Doesn't download
  • Nothing updated prior to most recent update
  • App requires login, skip doesn't work
  • Error - not connecting to Internet
  • Glitch, keeps saying not connected to internet
  • Calendar crashes without fail
  • App crashes when calendar is selected
  • App crashed when going to personalize > subscribed channels
  • No option for UAE
  • School feed won't load
  • App crashes on opening
  • Glitching out when opening
  • Shuts off after a second or two
  • Always not working
  • Works very infrequently
  • Does not update with latest news
  • Broken, not tested
  • Fails to update content
  • New version problem, cannot see picture gallery, no new calendar
  • Application closes automatically when opening calendar
  • New version bringing up a blank page on news feed
  • Lost all school stuff and cannot reload
  • Menus not indented or organized into submenus
  • Cannot filter information by relevance
  • Doesn't work on iPhone/iPad, constantly have to delete and reinstall
  • App is completely blank, no schools listed and no data
  • App freezes when choosing channels
  • App freezes all the time
  • Desktop version is much better
  • Homework should be filtered according to subscription choice
  • Private download schools not supported

Requested features

18 requests
  • Option to remove ads
  • Dark mode
  • Mark all messages as read
  • Delete old notifications
  • Filter notifications by class
Show 13 more
  • Better organization of resources
  • Search bar in new version
  • Option to archive old messages
  • Option to delete irrelevant messages
  • Improved filtering and customization
  • Push notifications for all messages
  • Integration with Google Calendar
  • Admin management tools for parent groups
  • iPad version
  • Submenu system for menus
  • Filter information by relevance
  • Option to add to calendar without closing
  • More than one security guard on duty

Karri

Reported bugs

10 issues
  • Links for help don't work
  • No support available
  • Timing of some messages inappropriate (early Sunday morning)
  • Bank cards not linked for overseas users
  • Payments missing
Show 5 more
  • Constant error issues
  • Cannot see calendar/transactions, cannot sign out
  • App not secure (potential fraud)
  • Payments going missing/delayed
  • Notifications not dismissible

Requested features

11 requests
  • More health or snack options in food menu
  • Menu changes every other week
  • Small pizzas, borewos rolls, ice cream, steak pies, donuts, muffins, brownies, fruit salad options
  • Video tutorial on common problems
  • Basket of items for simultaneous payment
Show 6 more
  • Option to buy single items or combo packs
  • Kid-friendly chip flavors (spicy, salsa, sour cream & onion)
  • Ability to dismiss notifications
  • List of paid/unpaid learners for teachers
  • Dark mode option
  • Advanced analytics dashboard

In-app purchases

None

d6 School Communicator

No in-app purchases

None

Karri

No in-app purchases

Questions

Is d6 School Communicator free?
d6 School Communicator is free to download, with no in-app purchases.
Is Karri free?
Karri is free to download, with no in-app purchases.
Which has better reviews, d6 School Communicator or Karri?
Karri is rated higher. d6 School Communicator averages 4.5 out of 5 from 105 ratings, while Karri averages 4.8 from 225 ratings.
Do d6 School Communicator or Karri have ads?
d6 School Communicator shows ads; Karri does not.
Which is updated more often, d6 School Communicator or Karri?
d6 School Communicator ships an update monthly, and Karri every 5 weeks. Most recently, d6 School Communicator was updated on October 16, 2026 and Karri on October 15, 2026.

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