# Corpad Cathodic Protection vs Forms for Google Forms & Docs

The clearest difference is ads: Corpad Cathodic Protection at none against Forms for Google Forms & Docs's shown. Forms for Google Forms & Docs's advantage is update cadence (every 2 weeks vs every 4 months) and iOS requirement (13.3 vs 15.5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Corpad Cathodic Protection sells 1 in-app purchase, starting at $9.99 per month and Forms for Google Forms & Docs sells 6 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Corpad Cathodic Protection ships an update every 4 months, Forms for Google Forms & Docs every 2 weeks. The most recent releases landed on November 14, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Corpad Cathodic Protection | Forms for Google Forms & Docs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (29 ratings)](https://appshunter.io/ios/app/forms-for-google-forms-and-docs/id6471874747/reviews)** |
| Number of ratings | — | **29** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 49 MB | 47 MB |
| Requires iOS | 15.5 | **13.3** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andrei Lomtev](https://appshunter.io/developer/1714768821) | [VUNYO](https://appshunter.io/developer/1768332147) |

## What reviewers say

### Corpad Cathodic Protection

[App page](https://appshunter.io/ios/app/corpad-cathodic-protection/id6471076169)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Corpad Premium | $9.99 | per month |


### Forms for Google Forms & Docs

[App page](https://appshunter.io/ios/app/forms-for-google-forms-and-docs/id6471874747)

Manage Google Forms effortlessly on your iOS device. Create, edit, and organize forms with powerful tools. View responses in multiple formats and export data easily. Receive real-time notifications for new submissions.

**Highlights:** Create and edit forms on iOS, Import questions from previous forms, Add collaborators and editors, Comprehensive editing tools, View responses in summary, question, or individual modes, Export responses to CSV/Excel, Real-time response notifications

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $19.99 | per year |
| Yearly Premium Campaign | $29.99 | per year |
| Yearly Premium | $39.99 | per year |
| Lifetime Premium | $59.99 | one-time |


## Frequently asked questions

### Is Corpad Cathodic Protection free?

Corpad Cathodic Protection is free to download, with in-app purchases available.

### Is Forms for Google Forms & Docs free?

Forms for Google Forms & Docs is free to download, with in-app purchases available.

### Do Corpad Cathodic Protection or Forms for Google Forms & Docs have ads?

Forms for Google Forms & Docs shows ads; Corpad Cathodic Protection does not.

### Which is updated more often, Corpad Cathodic Protection or Forms for Google Forms & Docs?

Corpad Cathodic Protection ships an update every 4 months, and Forms for Google Forms & Docs every 2 weeks. Most recently, Corpad Cathodic Protection was updated on November 14, 2026 and Forms for Google Forms & Docs on November 4, 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.*