# Gadzoom vs ECC Summit

The clearest difference is update cadence: Gadzoom at every 3 months against ECC Summit's every 29 months. ECC Summit's advantage is iOS requirement (12.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Gadzoom ships an update every 3 months, ECC Summit every 29 months. The most recent releases landed on September 12, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Gadzoom | ECC Summit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 29 months |
| Size | 63 MB | 44 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gadzoom, Inc.](https://appshunter.io/developer/1559813706) | [Environmental Chemical Corp.](https://appshunter.io/developer/1521481680) |

## What reviewers say

### Gadzoom

[App page](https://appshunter.io/ios/app/gadzoom/id1559813344)

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

**In-app purchases:** none


### ECC Summit

[App page](https://appshunter.io/ios/app/ecc-summit/id6452040877)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gadzoom free?

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

### Is ECC Summit free?

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

### Do Gadzoom or ECC Summit have ads?

Neither Gadzoom nor ECC Summit shows ads.

### Which is updated more often, Gadzoom or ECC Summit?

Gadzoom ships an update every 3 months, and ECC Summit every 29 months. Most recently, Gadzoom was updated on September 12, 2026 and ECC Summit on September 15, 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.*