# Survey Optimizer Mobile vs RTI StudySense

The clearest difference is rating: RTI StudySense at 5.0 against Survey Optimizer Mobile's 4.3. Survey Optimizer Mobile's advantage is iOS requirement (12.0 vs 15.5). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RTI StudySense holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Survey Optimizer Mobile ships an update every 7 months, RTI StudySense every 10 months. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Survey Optimizer Mobile | RTI StudySense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/survey-optimizer-mobile/id558795933/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rti-studysense/id6473792724/reviews)** |
| Number of ratings | **3** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 10 months |
| Monetization | Free | Free |
| Size | 31 MB | 39 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Healthcare Facilities Consulting, Inc.](https://appshunter.io/developer/480612395) | [RTI International](https://appshunter.io/developer/549719529) |

## 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


### RTI StudySense

[App page](https://appshunter.io/ios/app/rti-studysense/id6473792724)

Participate in surveys and share your opinions to influence research and decision-making. This platform offers a straightforward way to contribute your insights and become part of a community of active participants.

**Highlights:** User-friendly interface, Seamless navigation, Survey participation, Community engagement, Voice heard

**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 RTI StudySense free?

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

### Which has better reviews, Survey Optimizer Mobile or RTI StudySense?

RTI StudySense is rated higher. Survey Optimizer Mobile averages 4.3 out of 5 from 3 ratings, while RTI StudySense averages 5.0 from 2 ratings.

### Do Survey Optimizer Mobile or RTI StudySense have ads?

Neither Survey Optimizer Mobile nor RTI StudySense shows ads.

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

Survey Optimizer Mobile ships an update every 7 months, and RTI StudySense every 10 months. Most recently, Survey Optimizer Mobile was updated on September 17, 2026 and RTI StudySense on September 9, 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.*