# ZEISS Z Source vs ECP Vision

The clearest difference is ads: ZEISS Z Source at none against ECP Vision's shown. ZEISS Z Source also leads on update cadence (every 8 months vs every 17 months). ECP Vision's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 14.0). On price 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.

ZEISS Z Source ships an update every 8 months, ECP Vision every 17 months. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ZEISS Z Source | ECP Vision |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 8 months** | Every 17 months |
| Size | 110 MB | 2 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [bigtincan mobile pty ltd](https://appshunter.io/developer/1057042058) | [ECP VISION INC.](https://appshunter.io/developer/1786257700) |

## What reviewers say

### ZEISS Z Source

[App page](https://appshunter.io/ios/app/zeiss-z-source/id1176422454)

**Features:** macOS Compatibility

**In-app purchases:** none


### ECP Vision

[App page](https://appshunter.io/ios/app/ecp-vision/id6739597342)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZEISS Z Source free?

ZEISS Z Source is free to download, with no in-app purchases.

### Is ECP Vision free?

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

### Do ZEISS Z Source or ECP Vision have ads?

ECP Vision shows ads; ZEISS Z Source does not.

### Which is updated more often, ZEISS Z Source or ECP Vision?

ZEISS Z Source ships an update every 8 months, and ECP Vision every 17 months. Most recently, ZEISS Z Source was updated on October 11, 2026 and ECP Vision 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.*