Comparison

Booked (Previously PTO) vs Karri

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

Head to head
About

Booked (Previously PTO)

This app allows users to book, change, or access scheduled school events like in-person meetings, online sessions, or phone calls. It serves as a mobile extension of a school's web-based booking system. Access is granted through an active school subscription.

Highlights
  • Book scheduled school events
  • Modify existing bookings
  • Access bookings on the go
  • Supports in-person, online, and phone events
  • Mobile extension of web platform
Features
Read full description

Booked is an application that facilitates bookings for scheduled events at a school, whether in person, online, or on a phone call. The mobile application is the perfect extension of the web version, designed for bookings to be made, changed, or accessed on the go. Access requires that the school has an active subscription to Booked. *** Having problems logging in? Contact the school for assistance - it might be something basic, like your email address or login details aren't up to date, or the event may not be opened yet. ***

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

Booked (Previously PTO)4 screens
Karri4 screens

Verdict

The call

The clearest difference is review sentiment: Karri at 91% against Booked (Previously PTO)'s 7%. Booked (Previously PTO)'s advantage is monetization model (free vs free with in-app purchases). On price, update cadence, ads 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.

UpkeepUpdate frequency

Booked (Previously PTO) ships an update every 2 months, Karri every 5 weeks. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

Scorecard2 real differences · 8 level
Booked (Previously PTO) versus Karri: the parameters behind the verdict, then further details
ParameterBooked (Previously PTO)Karri
PriceFreeFree
Rating—4.8 (228 ratings) — better
Positive reviews6.7% of reviews91.3% of reviews — better
Number of ratings—228 — better
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size5 MB65 MB
Age rating4+4+
DeveloperCountryNet SoftwareEducation Payment Solutions (Pty) Ltd

Customer experience

Booked (Previously PTO)

Written reviews15 reviews
Positive6.7%
Neutral0.0%
Negative93.3%

Karri

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

Bugs and requests

Booked (Previously PTO)

Not enough reviews yet to summarise bugs or requests.

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

Booked (Previously PTO)

No in-app purchases

None

Karri

No in-app purchases

Questions

Is Booked (Previously PTO) free?
Booked (Previously PTO) is free to download, with no in-app purchases.
Is Karri free?
Karri is free to download, with no in-app purchases.
Do Booked (Previously PTO) or Karri have ads?
Neither Booked (Previously PTO) nor Karri shows ads.
Which is updated more often, Booked (Previously PTO) or Karri?
Booked (Previously PTO) ships an update every 2 months, and Karri every 5 weeks. Most recently, Booked (Previously PTO) was updated on October 24, 2026 and Karri on October 29, 2026.

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