# ECS App vs Pro Caller

The clearest difference is in-app purchases: ECS App at none against Pro Caller's 1. ECS App also leads on iOS requirement (13.0 vs 15.0). Pro Caller's advantage is ads (none vs shown) and update cadence (fortnightly vs every 31 months). On price and device support there is nothing between them.

Both are free to download. Pro Caller sells 1 in-app purchase, starting at $39.99 per month. ECS App asks for nothing beyond the download.

ECS App ships an update every 31 months, Pro Caller fortnightly. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ECS App | Pro Caller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pro-caller/id6444336731/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 31 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 55 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Electrification Construction Services LTD](https://appshunter.io/developer/1562843712) | [Pro Stack AI](https://appshunter.io/developer/1700693950) |

## What reviewers say

### ECS App

[App page](https://appshunter.io/ios/app/ecs-app/id1562843710)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pro Caller

[App page](https://appshunter.io/ios/app/pro-caller/id6444336731)

This app provides real-time written summaries of phone calls, highlighting key information and topics. It utilizes AI for transcription and analysis, ensuring user privacy.

**Highlights:** Real-time call summarization, AI-powered transcription, Highlights important information, Topic analysis, Full privacy

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Plan | $39.99 | per month |


## Frequently asked questions

### Is ECS App free?

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

### Is Pro Caller free?

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

### Do ECS App or Pro Caller have ads?

ECS App shows ads; Pro Caller does not.

### Which is updated more often, ECS App or Pro Caller?

ECS App ships an update every 31 months, and Pro Caller fortnightly. Most recently, ECS App was updated on October 7, 2026 and Pro Caller on October 1, 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.*