# MASSW vs IISCA+

The clearest difference is price: MASSW at Free against IISCA+'s $6.99. MASSW also leads on in-app purchases (none vs 1). IISCA+'s advantage is update cadence (every 6 weeks vs every 9 months) and ratings volume (14 vs 1). On rating, ads, device support and iOS requirement there is nothing between them.

MASSW is free to download; IISCA+ costs $6.99 up front. IISCA+ sells 1 in-app purchase, starting at $19.49 per year. MASSW asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.0 for MASSW against 3.1 for IISCA+. That said, the two scores are not equally well evidenced: IISCA+ has 14 ratings behind it against 1, so its average is the more settled of the two.

MASSW ships an update every 9 months, IISCA+ every 6 weeks. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | MASSW | IISCA+ |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/massw/id1164490099/reviews) | **[3.1 (14 ratings)](https://appshunter.io/ios/app/iisca-plus/id1478619988/reviews)** |
| Number of ratings | 1 | **14** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#187** |
| Size | 41 MB | 41 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Results at Hand Software LLC](https://appshunter.io/developer/669416687) | [Garage94 S.r.l.](https://appshunter.io/developer/1478619987) |

## What reviewers say

### MASSW

[App page](https://appshunter.io/ios/app/massw/id1164490099)

This event app provides attendees with a comprehensive guide to the annual state conference. Access the full schedule, attendee directory, session details, and location information. Explore the social area and photo gallery to enhance your conference experience.

**Highlights:** Attendee directory, Full conference schedule, Session details and locations, Push notifications, Social area, Photo gallery

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

**In-app purchases:** none


### IISCA+

[App page](https://appshunter.io/ios/app/iisca-plus/id1478619988)

**Currently charting:** #187 Top Paid · Productivity (US App Store)

This app facilitates data collection for IISCA and SBT, which are intervention strategies for treating problem behaviors and developing social repertoires. It's designed to provide a baseline context for effective treatment and skill-building.

**Highlights:** IISCA data collection, SBT intervention support, Problem behavior treatment, Social repertoire development, Baseline context generation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SBT Unlock | $19.49 | per year |


## Frequently asked questions

### Is MASSW free?

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

### Is IISCA+ free?

IISCA+ costs $6.99, and also offers in-app purchases.

### Which has better reviews, MASSW or IISCA+?

IISCA+ is rated higher. MASSW averages 3.0 out of 5 from 1 ratings, while IISCA+ averages 3.1 from 14 ratings.

### Do MASSW or IISCA+ have ads?

Neither MASSW nor IISCA+ shows ads.

### Which is updated more often, MASSW or IISCA+?

MASSW ships an update every 9 months, and IISCA+ every 6 weeks. Most recently, MASSW was updated on October 15, 2026 and IISCA+ on October 1, 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.*