# Builder for Google Forms vs Intervener

The clearest difference is update cadence: Intervener at every 6 weeks against Builder for Google Forms's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Builder for Google Forms sells 2 in-app purchases, starting at $3.99 per 7 days and Intervener sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Builder for Google Forms ships an update every 3 months, Intervener every 6 weeks. The most recent releases landed on September 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Builder for Google Forms | Intervener |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 59 MB | 33 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Chan](https://appshunter.io/developer/1824450386) | [Anmol Rattan](https://appshunter.io/developer/1561754762) |

## What reviewers say

### Builder for Google Forms

[App page](https://appshunter.io/ios/app/builder-for-google-forms/id6748140839)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | per 7 days |
| Premium | $3.99 | per 7 days |


### Intervener

[App page](https://appshunter.io/ios/app/intervener/id6748287203)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intervenr Premium Weekly | $4.99 | per 7 days |
| Intervenr Yearly Subscription | $39.99 | per year |
| Intervenr Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Builder for Google Forms free?

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

### Is Intervener free?

Intervener is free to download, with in-app purchases available.

### Do Builder for Google Forms or Intervener have ads?

Neither Builder for Google Forms nor Intervener shows ads.

### Which is updated more often, Builder for Google Forms or Intervener?

Builder for Google Forms ships an update every 3 months, and Intervener every 6 weeks. Most recently, Builder for Google Forms was updated on September 8, 2026 and Intervener on September 24, 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.*