# CPRBAND vs e Sono Phone Probe

The clearest difference is in-app purchases: e Sono Phone Probe at none against CPRBAND's 1. CPRBAND's advantage is update cadence (weekly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CPRBAND sells 1 in-app purchase, starting at $29.99 per month. e Sono Phone Probe asks for nothing beyond the download.

CPRBAND ships an update weekly, e Sono Phone Probe every 5 months. The most recent releases landed on June 6, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | CPRBAND | e Sono Phone Probe |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 months |
| Size | 24 MB | 1 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CREDO Korea](https://appshunter.io/developer/1376412523) | [3B Scientific](https://appshunter.io/developer/1407867777) |

## What reviewers say

### CPRBAND

[App page](https://appshunter.io/ios/app/cprband/id6474232342)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Solution (Monthly) | $29.99 | per month |


### e Sono Phone Probe

[App page](https://appshunter.io/ios/app/e-sono-phone-probe/id6743545381)

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

**In-app purchases:** none


## Frequently asked questions

### Is CPRBAND free?

CPRBAND is free to download, with in-app purchases available.

### Is e Sono Phone Probe free?

e Sono Phone Probe is free to download, with no in-app purchases.

### Do CPRBAND or e Sono Phone Probe have ads?

Neither CPRBAND nor e Sono Phone Probe shows ads.

### Which is updated more often, CPRBAND or e Sono Phone Probe?

CPRBAND ships an update weekly, and e Sono Phone Probe every 5 months. Most recently, CPRBAND was updated on June 6, 2026 and e Sono Phone Probe on September 2, 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.*