# Kid Math vs Voice Multiply

The clearest difference is iOS requirement: Kid Math at 12.0 against Voice Multiply's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Kid Math sells 4 one-off in-app purchases and Voice Multiply sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Kid Math ships an update every 3 weeks, Voice Multiply every 2 weeks. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Kid Math | Voice Multiply |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 42 MB | 4 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tuyen Nguyen](https://appshunter.io/developer/1815134704) | [OLE PETTER HAUGEN](https://appshunter.io/developer/1831337755) |

## What reviewers say

### Kid Math

[App page](https://appshunter.io/ios/app/kid-math-pdf-worksheet-maker/id6754006312)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 credits | $0.99 | one-time |
| 70 credits | $1.99 | one-time |
| 180 credits | $4.99 | one-time |
| 400 credits | $9.99 | one-time |


### Voice Multiply

[App page](https://appshunter.io/ios/app/voice-multiply/id6770139793)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All 10 tables | $14.99 | one-time |


## Frequently asked questions

### Is Kid Math free?

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

### Is Voice Multiply free?

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

### Do Kid Math or Voice Multiply have ads?

Neither Kid Math nor Voice Multiply shows ads.

### Which is updated more often, Kid Math or Voice Multiply?

Kid Math ships an update every 3 weeks, and Voice Multiply every 2 weeks. Most recently, Kid Math was updated on September 29, 2026 and Voice Multiply on October 10, 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.*