# Mobile Forms & Builder inBook vs NPSLab

The clearest difference is in-app purchases: Mobile Forms & Builder inBook at none against NPSLab's 10. Mobile Forms & Builder inBook also leads on iOS requirement (10.0 vs 16.4). NPSLab's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. NPSLab sells 10 in-app purchases, starting at $4.90 per month. Mobile Forms & Builder inBook asks for nothing beyond the download.

Mobile Forms & Builder inBook ships an update every 3 weeks, NPSLab every 3 days. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Mobile Forms & Builder inBook | NPSLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/mobile-forms-and-builder-inbook/id1228266002/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Subscription | — |
| Size | 47 MB | 62 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [INBUK, OOO](https://appshunter.io/developer/1228266001) | [CONECTALAB TECNOLOGIA APLICADA LTDA](https://appshunter.io/developer/6781900026) |

## What reviewers say

### Mobile Forms & Builder inBook

[App page](https://appshunter.io/ios/app/mobile-forms-and-builder-inbook/id1228266002)

Create custom surveys, questionnaires, and forms for feedback collection. Works offline and syncs data when reconnected. Offers a free trial for its subscription service.

**Highlights:** Offline data collection, Customizable question types, Survey logic for smart forms, Real-time response notifications, Data analytics and reporting, Employee dashboard access

**Features:** macOS Compatibility

**In-app purchases:** none


### NPSLab

[App page](https://appshunter.io/ios/app/npslab-customer-feedback-app/id6784719181)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NPSLab 1 store | $4.90 | per month |
| NPSLab 2 stores | $9.90 | per month |
| NPSLab 5 stores | $24.90 | per month |
| NPSLab 7 stores | $34.90 | per month |
| NPSLab 1 store annual | $39.90 | per year |
| NPSLab 10 stores | $49.90 | per month |
| NPSLab 2 stores annual | $79.90 | per year |
| NPSLab 5 stores annual | $199.99 | per year |
| NPSLab 7 stores annual | $279.99 | per year |
| NPSLab 10 stores annual | $399.99 | per year |


## Frequently asked questions

### Is Mobile Forms & Builder inBook free?

Mobile Forms & Builder inBook is free to download, with no in-app purchases.

### Is NPSLab free?

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

### Do Mobile Forms & Builder inBook or NPSLab have ads?

Neither Mobile Forms & Builder inBook nor NPSLab shows ads.

### Which is updated more often, Mobile Forms & Builder inBook or NPSLab?

Mobile Forms & Builder inBook ships an update every 3 weeks, and NPSLab every 3 days. Most recently, Mobile Forms & Builder inBook was updated on October 11, 2026 and NPSLab on October 13, 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.*