# e Sono Phone Probe vs PromoteReady

The clearest difference is in-app purchases: e Sono Phone Probe at none against PromoteReady's 1. e Sono Phone Probe also leads on iOS requirement (15.6 vs 17.0). PromoteReady's advantage is update cadence (every 9 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. PromoteReady sells 1 in-app purchase, starting at $5.99 per year. e Sono Phone Probe asks for nothing beyond the download.

e Sono Phone Probe ships an update every 5 months, PromoteReady every 9 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | e Sono Phone Probe | PromoteReady |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/promoteready/id6772309727/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 7 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [3B Scientific](https://appshunter.io/developer/1407867777) | [LifeLine EMS Training and Consulting LLC](https://appshunter.io/developer/1862662486) |

## What reviewers say

### 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


### PromoteReady

[App page](https://appshunter.io/ios/app/promoteready/id6772309727)

Transform your department's training manuals into custom quizzes for promotional exams. Build focused study sessions using the exact material you'll be tested on. Practice, prepare, and get ready to advance your career.

**Highlights:** Custom quiz creation from manuals, Targeted study sessions, Practice for promotional exams, Department-specific material, Career advancement tool

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PromoteReady Yearly | $5.99 | per year |


## Frequently asked questions

### Is e Sono Phone Probe free?

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

### Is PromoteReady free?

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

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

Neither e Sono Phone Probe nor PromoteReady shows ads.

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

e Sono Phone Probe ships an update every 5 months, and PromoteReady every 9 days. Most recently, e Sono Phone Probe was updated on October 28, 2026 and PromoteReady 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.*