# Survey Optimizer Mobile vs Leaf

The clearest difference is update cadence: Leaf at every 3 days against Survey Optimizer Mobile's every 7 months. Leaf also leads on iOS requirement (9.3 vs 12.0). 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.

Survey Optimizer Mobile ships an update every 7 months, Leaf every 3 days. The most recent releases landed on October 23, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Survey Optimizer Mobile | Leaf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/survey-optimizer-mobile/id558795933/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 31 MB | 33 MB |
| Requires iOS | 12.0 | **9.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Healthcare Facilities Consulting, Inc.](https://appshunter.io/developer/480612395) | [Pure Simplicity Technology Limited](https://appshunter.io/developer/1494490508) |

## What reviewers say

### Survey Optimizer Mobile

[App page](https://appshunter.io/ios/app/survey-optimizer-mobile/id558795933)

This app enhances a web-based survey tool, allowing users to conduct surveys on their iPhone, iPod Touch, or iPad. Create surveys on the web, sync them to the app, and collect responses on the go. Results sync back to the web for easy reporting.

**Highlights:** Conduct surveys on mobile devices, Sync survey templates from web, Sync results back to web app, Create custom surveys, User registration required

**Features:** macOS Compatibility

**In-app purchases:** none


### Leaf

[App page](https://appshunter.io/ios/app/leaf-fortel/id1487810802)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Survey Optimizer Mobile free?

Survey Optimizer Mobile is free to download, with no in-app purchases.

### Is Leaf free?

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

### Do Survey Optimizer Mobile or Leaf have ads?

Neither Survey Optimizer Mobile nor Leaf shows ads.

### Which is updated more often, Survey Optimizer Mobile or Leaf?

Survey Optimizer Mobile ships an update every 7 months, and Leaf every 3 days. Most recently, Survey Optimizer Mobile was updated on October 23, 2026 and Leaf 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.*