# Sumaze! Primary vs NumberBondz

The clearest difference is in-app purchases: Sumaze! Primary at none against NumberBondz's 1. Sumaze! Primary also leads on iOS requirement (9.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. NumberBondz sells 1 in-app purchase, starting at $2.99 per month. Sumaze! Primary asks for nothing beyond the download.

Sumaze! Primary ships an update every 4 months, NumberBondz every 2 months. The most recent releases landed on October 12, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sumaze! Primary | NumberBondz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sumaze-primary/id1449882926/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 165 MB | 43 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mathematics in Education and Industry](https://appshunter.io/developer/1045060090) | [Luca Nagy](https://appshunter.io/developer/401459165) |

## What reviewers say

### Sumaze! Primary

[App page](https://appshunter.io/ios/app/sumaze-primary/id1449882926)

This educational puzzle game is designed for young learners aged 4-7 to develop problem-solving and mathematical thinking skills. It covers fundamental concepts like addition, subtraction, and pattern recognition through engaging gameplay.

**Highlights:** Develops problem-solving skills, Teaches addition and subtraction, Explores odds & evens, Introduces doubling & halving, Focuses on finding patterns, Immersive gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### NumberBondz

[App page](https://appshunter.io/ios/app/numberbondz/id6756591111)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NumberBondz Pro | $2.99 | per month |


## Frequently asked questions

### Is Sumaze! Primary free?

Sumaze! Primary is free to download, with no in-app purchases.

### Is NumberBondz free?

NumberBondz is free to download, with in-app purchases available.

### Do Sumaze! Primary or NumberBondz have ads?

Neither Sumaze! Primary nor NumberBondz shows ads.

### Which is updated more often, Sumaze! Primary or NumberBondz?

Sumaze! Primary ships an update every 4 months, and NumberBondz every 2 months. Most recently, Sumaze! Primary was updated on October 12, 2026 and NumberBondz on October 28, 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.*