# Engage ESP vs Sona

The clearest difference is update cadence: Sona at every 6 days against Engage ESP's fortnightly. Sona also leads on review sentiment (21% vs 13%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Engage ESP ships an update fortnightly, Sona every 6 days. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Engage ESP | Sona |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (24 ratings)](https://appshunter.io/ios/app/sona/id1588730550/reviews)** |
| Number of ratings | — | **24** |
| Positive reviews | 12.5% of reviews | **21.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | Free | Free |
| Size | 272 MB | 49 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Engage Solutions Group Ltd](https://appshunter.io/developer/657698372) | [Sona](https://appshunter.io/developer/1588730552) |

## What reviewers say

### Engage ESP

[App page](https://appshunter.io/ios/app/engage-esp/id1358052862)

This enterprise platform app connects employees to company resources, tools, and systems. It aims to improve operational effectiveness and employee experience by fostering communication, accessibility, enablement, recognition, and feedback.

**Highlights:** Digital gateway to systems and resources, Enhances operational effectiveness, Improves employee experience, Supports five pillars of engagement, API for system integration, Single sign-on capability

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

**In-app purchases:** none


### Sona

[App page](https://appshunter.io/ios/app/sona/id1588730550)

Access your upcoming work shifts and holiday schedule in real-time. Employees can also claim additional shifts directly through the app, putting them in control of their work availability.

**Highlights:** Real-time shift view, Holiday schedule, Claim additional shifts, Employee control, Shift management platform integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Engage ESP free?

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

### Is Sona free?

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

### Do Engage ESP or Sona have ads?

Neither Engage ESP nor Sona shows ads.

### Which is updated more often, Engage ESP or Sona?

Engage ESP ships an update fortnightly, and Sona every 6 days. Most recently, Engage ESP was updated on September 23, 2026 and Sona on September 24, 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.*