# ChatterPix Kids vs Speech2Math Calculator

The clearest difference is review sentiment: ChatterPix Kids at 72% against Speech2Math Calculator's 0%. ChatterPix Kids also leads on rating (4.3 vs 2.3) and in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Speech2Math Calculator sells 1 one-off in-app purchase. ChatterPix Kids asks for nothing beyond the download.

ChatterPix Kids holds the better App Store score, 4.3 against 2.3. That said, the two scores are not equally well evidenced: ChatterPix Kids has 664 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 72% of ChatterPix Kids's written reviews are positive against 0% of Speech2Math Calculator's.

ChatterPix Kids ships an update every 2 months, Speech2Math Calculator every 4 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | ChatterPix Kids | Speech2Math Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (664 ratings)](https://appshunter.io/ios/app/chatterpix-kids/id734046126/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/speech2math-calculator/id1216734849/reviews) |
| Number of ratings | **664** | 3 |
| Positive reviews | **72.1% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 75 MB | 89 MB |
| Requires iOS | **9.0** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duck Duck Moose LLC](https://appshunter.io/developer/303076298) | [Audiosdroid OU](https://appshunter.io/developer/869671589) |

## What reviewers say

### ChatterPix Kids

[App page](https://appshunter.io/ios/app/chatterpix-kids/id734046126)

Transform photos into animated talking characters for fun messages, greetings, and creative projects. This app is designed for children aged 5-12 to express themselves through interactive visuals.

**Highlights:** Animate photos to talk, Create silly greetings, Make playful messages, Design creative cards, Add stickers, frames, and filters

**In-app purchases:** none

**What reviewers like**

- 👍 Creative and entertaining
- 👍 Fun for kids and families
- 👍 Easy to use
- 👍 No ads or in-app purchases

**What reviewers complain about**

- 🐛 Issues with taking/uploading photos
- 🐛 Mouth movement not always synced well
- 🤔 Some reviews find the app a bit childish or boring over time

**Reported bugs**

- Camera not working for some users
- Repeated crashes or freezes
- Syncing issues between photos and audio

**Requested features**

- Ability to adjust mouth movement and animation
- More customization options
- Longer recording time
- Integration with more photo/video platforms


### 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 |


## Frequently asked questions

### Is ChatterPix Kids free?

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

### Is Speech2Math Calculator free?

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

### Which has better reviews, ChatterPix Kids or Speech2Math Calculator?

ChatterPix Kids is rated higher. ChatterPix Kids averages 4.3 out of 5 from 664 ratings, while Speech2Math Calculator averages 2.3 from 3 ratings.

### Do ChatterPix Kids or Speech2Math Calculator have ads?

Neither ChatterPix Kids nor Speech2Math Calculator shows ads.

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

ChatterPix Kids ships an update every 2 months, and Speech2Math Calculator every 4 months. Most recently, ChatterPix Kids was updated on November 1, 2026 and Speech2Math Calculator on November 2, 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.*