# Gadzoom vs E CONTRACTING

The clearest difference is update cadence: Gadzoom at every 3 months against E CONTRACTING's every 9 months. E CONTRACTING'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, E CONTRACTING every 9 months. The most recent releases landed on September 12, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Gadzoom | E CONTRACTING |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Size | 63 MB | 45 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) | [Gruble Technologies Inc](https://appshunter.io/developer/1652234641) |

## What reviewers say

### Gadzoom

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

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

**In-app purchases:** none


### E CONTRACTING

[App page](https://appshunter.io/ios/app/e-contracting/id6473964003)

**In-app purchases:** none


## Frequently asked questions

### Is Gadzoom free?

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

### Is E CONTRACTING free?

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

### Do Gadzoom or E CONTRACTING have ads?

Neither Gadzoom nor E CONTRACTING shows ads.

### Which is updated more often, Gadzoom or E CONTRACTING?

Gadzoom ships an update every 3 months, and E CONTRACTING every 9 months. Most recently, Gadzoom was updated on September 12, 2026 and E CONTRACTING 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.*