# Mullavilly PS vs Social Work Theory

The clearest difference is in-app purchases: Mullavilly PS at none against Social Work Theory's 2. Mullavilly PS also leads on iOS requirement (15.0 vs 17.7.2). Social Work Theory's advantage is update cadence (every 5 months vs every 17 months). On price, ads and device support there is nothing between them.

Both are free to download. Social Work Theory sells 2 in-app purchases, starting at $5.49 per 3 months. Mullavilly PS asks for nothing beyond the download.

Mullavilly PS ships an update every 17 months, Social Work Theory every 5 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | Mullavilly PS | Social Work Theory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (4 ratings)](https://appshunter.io/ios/app/social-work-theory/id1169559980/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 55.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 5 months** |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 4 MB |
| Requires iOS | **15.0** | 17.7.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [BUSINESS SYSTEM SOLUTIONS (N.I.) LTD](https://appshunter.io/developer/549288322) | [Kirwin Maclean Associates Limited](https://appshunter.io/developer/1169559979) |

## What reviewers say

### Mullavilly PS

[App page](https://appshunter.io/ios/app/mullavilly-ps/id1123476282)

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

**In-app purchases:** none


### Social Work Theory

[App page](https://appshunter.io/ios/app/social-work-theory/id1169559980)

Explore social work theories and reflective practice with interactive content. Offers a free trial and subscription for unlimited access to a comprehensive theory library and personalized suggestions. Regularly updated with new material and direct contact with an expert.

**Highlights:** Interactive social work theories, Critically reflective practice content, A-Z theory library, Anonymous working context entry, Personalized theory suggestions, Direct contact with expert

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Envelope activity theory matching subscription | $5.49 | per 3 months |
| Envelope Activity - Suggest Theories | $0.99 | one-time |


## Frequently asked questions

### Is Mullavilly PS free?

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

### Is Social Work Theory free?

Social Work Theory is free to download, with in-app purchases available.

### Do Mullavilly PS or Social Work Theory have ads?

Neither Mullavilly PS nor Social Work Theory shows ads.

### Which is updated more often, Mullavilly PS or Social Work Theory?

Mullavilly PS ships an update every 17 months, and Social Work Theory every 5 months. Most recently, Mullavilly PS was updated on November 2, 2026 and Social Work Theory on November 2, 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.*