# eContract vs CF15 Office

The clearest difference is update cadence: CF15 Office at every 5 weeks against eContract's every 7 months. eContract's advantage is iOS requirement (13.0 vs 15.1). 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.

eContract ships an update every 7 months, CF15 Office every 5 weeks. Both last shipped on October 22, 2026.

## The numbers

| Metric | eContract | CF15 Office |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 weeks** |
| Size | 85 MB | 31 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MDC MEDIA CO.,LTD](https://appshunter.io/developer/1446551280) | [Quan Pham](https://appshunter.io/developer/1473784880) |

## What reviewers say

### eContract

[App page](https://appshunter.io/ios/app/econtract-electronic-contract/id1663474156)

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

**In-app purchases:** none


### CF15 Office

[App page](https://appshunter.io/ios/app/cf15-office/id6749193435)

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

**In-app purchases:** none


## Frequently asked questions

### Is eContract free?

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

### Is CF15 Office free?

CF15 Office is free to download, with no in-app purchases.

### Do eContract or CF15 Office have ads?

Neither eContract nor CF15 Office shows ads.

### Which is updated more often, eContract or CF15 Office?

eContract ships an update every 7 months, and CF15 Office every 5 weeks. Most recently, eContract was updated on October 22, 2026 and CF15 Office on October 22, 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.*