# Pan1780 vs Wavelet Voice Sonogram

The clearest difference is price: Pan1780 at Free against Wavelet Voice Sonogram's $6.99. Pan1780 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 26.2). Wavelet Voice Sonogram's advantage is update cadence (every 8 months vs every 22 months). On ads and in-app purchases there is nothing between them.

Pan1780 is free to download; Wavelet Voice Sonogram costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pan1780 ships an update every 22 months, Wavelet Voice Sonogram every 8 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | Pan1780 | Wavelet Voice Sonogram |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 8 months** |
| Size | 18 MB | 0 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ansync Labs](https://appshunter.io/developer/1172950759) | [TOON,LLC](https://appshunter.io/developer/633948723) |

## What reviewers say

### Pan1780

[App page](https://appshunter.io/ios/app/pan1780/id1527126612)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wavelet Voice Sonogram

[App page](https://appshunter.io/ios/app/wavelet-voice-sonogram/id1574131130)

**In-app purchases:** none


## Frequently asked questions

### Is Pan1780 free?

Pan1780 is free to download, with no in-app purchases.

### Is Wavelet Voice Sonogram free?

Wavelet Voice Sonogram costs $6.99, with no in-app purchases.

### Do Pan1780 or Wavelet Voice Sonogram have ads?

Neither Pan1780 nor Wavelet Voice Sonogram shows ads.

### Which is updated more often, Pan1780 or Wavelet Voice Sonogram?

Pan1780 ships an update every 22 months, and Wavelet Voice Sonogram every 8 months. Most recently, Pan1780 was updated on November 7, 2026 and Wavelet Voice Sonogram on November 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.*