# AI Form Builder & Survey Maker vs Approval Studio

The clearest difference is in-app purchases: Approval Studio at none against AI Form Builder & Survey Maker's 3. Approval Studio also leads on ads (none vs shown). AI Form Builder & Survey Maker's advantage is update cadence (every 5 months vs every 10 months) and iOS requirement (15.6 vs 18.4). On price and device support there is nothing between them.

Both are free to download. AI Form Builder & Survey Maker sells 3 in-app purchases, starting at $5.99 per 7 days. Approval Studio asks for nothing beyond the download.

AI Form Builder & Survey Maker ships an update every 5 months, Approval Studio every 10 months. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | AI Form Builder & Survey Maker | Approval Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 10 months |
| Size | 36 MB | 3 MB |
| Requires iOS | **15.6** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nice Express](https://appshunter.io/developer/1300337847) | [HiTech Service](https://appshunter.io/developer/1124417233) |

## What reviewers say

### AI Form Builder & Survey Maker

[App page](https://appshunter.io/ios/app/ai-form-builder-and-survey-maker/id6741689995)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $5.99 | per 7 days |
| Yearly Premium Access | $49.99 | per year |
| Lifetime | $89.99 | one-time |


### Approval Studio

[App page](https://appshunter.io/ios/app/approval-studio/id6747336607)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AI Form Builder & Survey Maker free?

AI Form Builder & Survey Maker is free to download, with in-app purchases available.

### Is Approval Studio free?

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

### Do AI Form Builder & Survey Maker or Approval Studio have ads?

AI Form Builder & Survey Maker shows ads; Approval Studio does not.

### Which is updated more often, AI Form Builder & Survey Maker or Approval Studio?

AI Form Builder & Survey Maker ships an update every 5 months, and Approval Studio every 10 months. Most recently, AI Form Builder & Survey Maker was updated on September 21, 2026 and Approval Studio on September 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.*