# Percent Delay Calculator vs Q interactive Assess

The clearest difference is rating: Percent Delay Calculator at 5.0 against Q interactive Assess's 1.8. Percent Delay Calculator also leads on device support (3 vs 1) and iOS requirement (9.0 vs 17.0). Q interactive Assess's advantage is ratings volume (91 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Percent Delay Calculator holds the better App Store score, 5.0 against 1.8. That said, the two scores are not equally well evidenced: Q interactive Assess has 91 ratings behind it against 5, so its average is the more settled of the two.

## The numbers

| Metric | Percent Delay Calculator | Q interactive Assess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/percent-delay-calculator/id1372458790/reviews)** | [1.8 (91 ratings)](https://appshunter.io/ios/app/q-interactive-assess/id1666706859/reviews) |
| Number of ratings | 5 | **91** |
| Positive reviews | — | 9.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Free | Free |
| Size | 11 MB | 301 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 12+ | 4+ |
| Developer | [Overpass Limited](https://appshunter.io/developer/576341359) | [Pearson Education, Inc.](https://appshunter.io/developer/329060244) |

## What reviewers say

### Percent Delay Calculator

[App page](https://appshunter.io/ios/app/percent-delay-calculator/id1372458790)

This tool helps early childhood special education providers calculate developmental percentage delays for service eligibility. It is color-coded based on Alaska's requirements but can be used by any state.

**Highlights:** Calculate percentage delay, Color-coded for Alaska eligibility, Usable by any state, Early Childhood Special Education focus

**Features:** macOS Compatibility

**In-app purchases:** none


### Q interactive Assess

[App page](https://appshunter.io/ios/app/q-interactive-assess/id1666706859)

This digital platform streamlines clinical assessments for individuals. It offers real-time scoring through simple taps and swipes, significantly reducing administration and scoring time. The app eliminates the need for physical kits, allowing clinicians to focus on observation and interpretation.

**Highlights:** Digital assessment preparation, Instrument and subtest level preparation, Real-time scoring, Reduced administration time, Focus on observation and interpretation, Eliminates physical kits

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✅ Saves time overall (when working)
- ✅ Easier testing (when working)
- ✅ Improved note-taking smoothness (newer version)
- ✅ Good functionality (when working)

**What reviewers complain about**

- ❌ Horrible sign-in process
- ❌ Frequent login issues
- ❌ Multiple login screens/steps
- ❌ Wastes significant time
- ❌ Unprofessional appearance due to tech issues

**Reported bugs**

- Login process requires multiple sign-ins
- One-time passcodes required frequently
- Login issues taking significant time to resolve
- Locked out due to too many login attempts
- App takes 15+ minutes to sign in

**Requested features**

- Add palm detection for stylus use
- Improve French translations of tests
- Add Touch/Face ID for faster login
- Allow removal of unused test data to save space
- Make it easier to skip subtests without paying


## Frequently asked questions

### Is Percent Delay Calculator free?

Percent Delay Calculator is free to download, with no in-app purchases.

### Is Q interactive Assess free?

Q interactive Assess is free to download, with no in-app purchases.

### Which has better reviews, Percent Delay Calculator or Q interactive Assess?

Percent Delay Calculator is rated higher. Percent Delay Calculator averages 5.0 out of 5 from 5 ratings, while Q interactive Assess averages 1.8 from 91 ratings.

### Do Percent Delay Calculator or Q interactive Assess have ads?

Neither Percent Delay Calculator nor Q interactive Assess shows ads.

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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.*