# Speech2Math Calculator vs Smart Math Kids

The clearest difference is update cadence: Smart Math Kids at weekly against Speech2Math Calculator's every 4 months. Smart Math Kids also leads on iOS requirement (8.0 vs 10.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Speech2Math Calculator sells 1 one-off in-app purchase and Smart Math Kids sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Speech2Math Calculator ships an update every 4 months, Smart Math Kids weekly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Speech2Math Calculator | Smart Math Kids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/speech2math-calculator/id1216734849/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 89 MB | 144 MB |
| Requires iOS | 10.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Audiosdroid OU](https://appshunter.io/developer/869671589) | [DAC Shepherd Techs Corp](https://appshunter.io/developer/1584470059) |

## What reviewers say

### Speech2Math Calculator

[App page](https://appshunter.io/ios/app/speech2math-calculator/id1216734849)

This app converts spoken mathematical commands into expressions for calculation. It offers a wide range of operations and supports numerous languages for voice input. An on-screen keyboard allows for manual editing of expressions.

**Highlights:** Speech to math expression conversion, On-screen keyboard for editing, Basic and scientific calculator functions, Multi-language voice input support, Trigonometric and logarithmic functions (PRO), Text-to-speech (TTS) support

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Speech2Math Calculator PRO | $0.99 | one-time |


### Smart Math Kids

[App page](https://appshunter.io/ios/app/smart-math-kids-record-and-play/id6443448803)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $0.99 | per month |
| 1 Year Subscription | $4.99 | per year |
| Remove Ads | $0.99 | one-time |
| Premium Access | $29.99 | one-time |


## Frequently asked questions

### Is Speech2Math Calculator free?

Speech2Math Calculator is free to download, with in-app purchases available.

### Is Smart Math Kids free?

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

### Do Speech2Math Calculator or Smart Math Kids have ads?

Neither Speech2Math Calculator nor Smart Math Kids shows ads.

### Which is updated more often, Speech2Math Calculator or Smart Math Kids?

Speech2Math Calculator ships an update every 4 months, and Smart Math Kids weekly. Most recently, Speech2Math Calculator was updated on November 2, 2026 and Smart Math Kids on November 3, 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.*