# Sellopass vs Echo App

The clearest difference is iOS requirement: Echo App at 13.0 against Sellopass's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Sellopass ships an update fortnightly, Echo App every 10 days. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Sellopass | Echo App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sellopass/id6738887066/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free | — |
| Size | 53 MB | 34 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [OPTIDIX](https://appshunter.io/developer/1879091152) | [Koudzo Elie Vikoum](https://appshunter.io/developer/1863723631) |

## What reviewers say

### Sellopass

[App page](https://appshunter.io/ios/app/sellopass/id6738887066)

This app provides secure digital ticketing with dynamic QR codes that refresh every minute to prevent fraud. It allows organizers to manage participants individually and track sales and validations in real-time.

**Highlights:** Dynamic QR codes, Fraud prevention, Participant management, Real-time sales tracking, Real-time validation tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Echo App

[App page](https://appshunter.io/ios/app/echo-app/id6757003699)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sellopass free?

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

### Is Echo App free?

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

### Do Sellopass or Echo App have ads?

Neither Sellopass nor Echo App shows ads.

### Which is updated more often, Sellopass or Echo App?

Sellopass ships an update fortnightly, and Echo App every 10 days. Most recently, Sellopass was updated on September 25, 2026 and Echo App on September 17, 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.*