P.A.R.T. vs HAAL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
P.A.R.T.
This platform allows researchers to design, configure, and test cognitive and auditory assessment protocols. It provides a development environment for refining assessment batteries before use in human subject research.
- Design environment for 100+ assessment types
- Psychoacoustical, neuropsychological, executive function tests
- Adaptive algorithm configuration
- Customizable assessment flows
- Detailed data logging
- Protocol validation tools
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Welcome to Portable Automated Rapid Testing (PART) - A Research Development Platform PART is a specialized tool designed exclusively for researchers and developers to create, configure, and test cognitive and auditory assessment protocols. This platform is NOT intended for conducting human subject research directly, but rather serves as a development environment where researchers can design and refine assessment batteries before implementing them in IRB-approved studies. Key features of PART: - Design environment for over 100 assessment types, including psychoacoustical, neuropsychological, executive function, attentional control, and visual processing tests - Advanced configuration options for adaptive algorithms and testing parameters - Comprehensive scripting system for customizing assessment flows - Detailed data logging capabilities for protocol validation PART was developed by the Brain Game Center for Mental Fitness and Well-being at Northeastern University (formerly UC Riverside) and has been supported by grants from the NIH, DOD, and AERDF.
HAAL
This mental wellness app offers Gen Z daily mood tracking, a private journal, and curated resources. It provides a safe space for self-discovery and emotional well-being.
- Daily mood check-ins
- Private journaling
- Mental health resources
- Safe space for self-discovery
- Gen Z focused
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HAAL is the premier mental health app for Gen Z, featuring daily mood check-ins, a journal, and resources for you.
Screenshots
Verdict
The clearest difference is rating: HAAL at 5.0 against P.A.R.T.'s 4.6. HAAL also leads on update cadence (every 3 weeks vs every 2 months). P.A.R.T.'s advantage is iOS requirement (12.0 vs 15.1). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
HAAL holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 5 and 5 respectively.
P.A.R.T. ships an update every 2 months, HAAL every 3 weeks. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.
| Parameter | P.A.R.T. | HAAL |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (5 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 5 | 5 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 181 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Northeastern University Information Services | Suchitra Sharma |
Customer experience
P.A.R.T.
HAAL
In-app purchases
P.A.R.T.
No in-app purchases
HAAL
No in-app purchases
