# Butterfly Calling App vs C2C Voiceout

The clearest difference is in-app purchases: C2C Voiceout at none against Butterfly Calling App's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Butterfly Calling App sells 10 one-off in-app purchases. C2C Voiceout asks for nothing beyond the download.

Butterfly Calling App ships an update every 5 days, C2C Voiceout every 4 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Butterfly Calling App | C2C Voiceout |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 71 MB | 60 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [ESTELLE DARCY AI AND AUTOMATION PRIVATE LIMITED](https://appshunter.io/developer/1888232337) | [Voice Etc](https://appshunter.io/developer/6791551240) |

## What reviewers say

### Butterfly Calling App

[App page](https://appshunter.io/ios/app/butterfly-calling-app/id6761197670)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 125 | $0.99 | one-time |
| 249 | $1.99 | one-time |
| 550 | $4.99 | one-time |
| 999 | $9.99 | one-time |
| 1499 | $14.99 | one-time |
| 1999 | $19.99 | one-time |
| 2499 | $24.99 | one-time |
| 4999 | $49.99 | one-time |
| 9999 | $99.99 | one-time |
| 14999 | $149.99 | one-time |


### C2C Voiceout

[App page](https://appshunter.io/ios/app/c2c-voiceout/id6802164716)

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

**In-app purchases:** none


## Frequently asked questions

### Is Butterfly Calling App free?

Butterfly Calling App is free to download, with in-app purchases available.

### Is C2C Voiceout free?

C2C Voiceout is free to download, with no in-app purchases.

### Do Butterfly Calling App or C2C Voiceout have ads?

Neither Butterfly Calling App nor C2C Voiceout shows ads.

### Which is updated more often, Butterfly Calling App or C2C Voiceout?

Butterfly Calling App ships an update every 5 days, and C2C Voiceout every 4 days. Most recently, Butterfly Calling App was updated on November 9, 2026 and C2C Voiceout on October 31, 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.*