# Voice vs WebCalc

The clearest difference is price: Voice at Free against WebCalc's $0.49. WebCalc's advantage is update cadence (every 4 days vs fortnightly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Voice is free to download; WebCalc costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Voice ships an update fortnightly, WebCalc every 4 days. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Voice | WebCalc |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/voice-based-age-estimation/id6737651650/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 36 MB | 25 MB |
| Requires iOS | 15.8.3 | **15.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [kazuki kunimura](https://appshunter.io/developer/1592047115) |

## What reviewers say

### Voice

[App page](https://appshunter.io/ios/app/voice-based-age-estimation/id6737651650)

This utility app estimates a person's age based on their voice. It analyzes vocal characteristics to provide an age prediction. Useful for research or casual exploration of voice analysis.

**Highlights:** Age estimation from voice, Voice analysis technology, Cross-device compatibility, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


### WebCalc

[App page](https://appshunter.io/ios/app/webcalc/id6743722727)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Voice free?

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

### Is WebCalc free?

WebCalc costs $0.49, with no in-app purchases.

### Do Voice or WebCalc have ads?

Both Voice and WebCalc show ads.

### Which is updated more often, Voice or WebCalc?

Voice ships an update fortnightly, and WebCalc every 4 days. Most recently, Voice was updated on October 4, 2026 and WebCalc on October 7, 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.*