# Scientific Voice Calculator — Universal Count,PhotoMath

> Universal Count,PhotoMath (iPhone/iPad app by Cosmic Harmony Technology Limited.)

- Source: https://appshunter.io/ios/app/scientific-voice-calculator/id6475161645 (this page in markdown: same URL + `.md`)
- Developer: [Cosmic Harmony Technology Limited](https://appshunter.io/developer/1656669914)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 13.0 · 8 MB
- Languages: English, Chinese
- Released: 2024-01-02
- Data updated: 2025-08-17
- User reviews in markdown: https://appshunter.io/ios/app/scientific-voice-calculator/id6475161645/reviews.md

## What is Scientific Voice Calculator?

Calculator:
1. Calculator with calculation step recording function
2. You can take screenshots of the growth of the calculation records with dates
3. Can save calculation records
4. Personalized button screen color settings
5. Voice broadcasting function
6. Font settings
7. Can hide the settings button to rescue obsessive-compulsive disorder
Exchange rate conversion function with exchange rate information update time, keeping up-to-date with the latest information
Noise detection function helps you better protect your ears and live a healthy life
Terms of Use：
https://kdocs.cn/l/ceVeRpFnwZPl
Privacy Policy：
https://kdocs.cn/l/ceVeRpFnwZPl

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 月度会员 | $3.99 | per month |
| 周会员 | $1.99 | per 7 days |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 永久会员 | $14.99 | one-time |



## Version history (last 4 releases)

### 1.3 — 2024-02-05

Bug fixed

### 1.2 — 2024-01-09

1. Fix screenshot function
2. Optimize theme and font settings UI
3. Fix bugs

### 1.1 — 2024-01-08

1.  Fix the problem that the theme selection does not correspond to the actual situation
2. Optimize vibration feel

### 1.0 — 2024-01-02

No release notes.

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## More apps by Cosmic Harmony Technology Limited

- [社恐逃跑神器esc](https://appshunter.io/ios/app/esc/id6476918888)

All apps by Cosmic Harmony Technology Limited: https://appshunter.io/developer/1656669914

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2025-08-17.*