# Wavelet Voice Sonogram vs Box en loc

The clearest difference is price: Box en loc at Free against Wavelet Voice Sonogram's $6.99. Box en loc also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.2). On update cadence, ads and in-app purchases there is nothing between them.

Box en loc 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.

Both ship on a similar rhythm, roughly every 8 months. The most recent releases landed on November 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Wavelet Voice Sonogram | Box en loc |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | Every 8 months |
| Size | 0 MB | 62 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [BOX EN LOC](https://appshunter.io/developer/1711019186) |

## What reviewers say

### Wavelet Voice Sonogram

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

**In-app purchases:** none


### Box en loc

[App page](https://appshunter.io/ios/app/box-en-loc/id6468949624)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Wavelet Voice Sonogram free?

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

### Is Box en loc free?

Box en loc is free to download, with no in-app purchases.

### Do Wavelet Voice Sonogram or Box en loc have ads?

Neither Wavelet Voice Sonogram nor Box en loc shows ads.

### Which is updated more often, Wavelet Voice Sonogram or Box en loc?

Wavelet Voice Sonogram ships an update every 8 months, and Box en loc every 8 months. Most recently, Wavelet Voice Sonogram was updated on November 7, 2026 and Box en loc on October 25, 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.*