# Spectrumizer vs Kids Math

The clearest difference is in-app purchases: Spectrumizer at none against Kids Math's 1. Spectrumizer also leads on update cadence (every 5 days vs monthly). Kids Math's advantage is iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

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

Spectrumizer ships an update every 5 days, Kids Math monthly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Spectrumizer | Kids Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Size | 3 MB | 26 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Mehran Naghizadeh](https://appshunter.io/developer/1273578621) | [Nadzeya Yashchuk](https://appshunter.io/developer/1835856077) |

## What reviewers say

### Spectrumizer

[App page](https://appshunter.io/ios/app/spectrumizer/id6739510841)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kids Math

[App page](https://appshunter.io/ios/app/kids-math-count-and-add/id6784570701)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.99 | one-time |


## Frequently asked questions

### Is Spectrumizer free?

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

### Is Kids Math free?

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

### Do Spectrumizer or Kids Math have ads?

Neither Spectrumizer nor Kids Math shows ads.

### Which is updated more often, Spectrumizer or Kids Math?

Spectrumizer ships an update every 5 days, and Kids Math monthly. Most recently, Spectrumizer was updated on October 28, 2026 and Kids Math 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.*