# Karri vs Math Zombie Classic

The clearest difference is in-app purchases: Karri at none against Math Zombie Classic's 1. Karri also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 10 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Math Zombie Classic sells 1 one-off in-app purchase. Karri asks for nothing beyond the download.

Karri ships an update every 5 weeks, Math Zombie Classic every 10 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Karri | Math Zombie Classic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (227 ratings)](https://appshunter.io/ios/app/karri/id1158895725/reviews)** | — |
| Number of ratings | **227** | — |
| Positive reviews | 91.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 10 months |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 19 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Education Payment Solutions (Pty) Ltd](https://appshunter.io/developer/1170003466) | [MM&F Software LLC](https://appshunter.io/developer/1498948648) |

## What reviewers say

### Karri

[App page](https://appshunter.io/ios/app/karri/id1158895725)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- 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

**Requested features**

- 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


### Math Zombie Classic

[App page](https://appshunter.io/ios/app/math-zombie-classic-learn/id6756184450)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Zombie Class PRO | $0.99 | one-time |


## Frequently asked questions

### Is Karri free?

Karri is free to download, with no in-app purchases.

### Is Math Zombie Classic free?

Math Zombie Classic is free to download, with in-app purchases available.

### Do Karri or Math Zombie Classic have ads?

Math Zombie Classic shows ads; Karri does not.

### Which is updated more often, Karri or Math Zombie Classic?

Karri ships an update every 5 weeks, and Math Zombie Classic every 10 months. Most recently, Karri was updated on October 24, 2026 and Math Zombie Classic on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*