# MAS SI vs Emotion Tracker

MAS SI and Emotion Tracker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

MAS SI ships an update every 10 days, Emotion Tracker every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | MAS SI | Emotion Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (25 ratings)](https://appshunter.io/ios/app/mas-si/id6683310989/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | Free | — |
| Size | 100 MB | 49 MB |
| Requires iOS | **15.1** | 15.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MAS Staten Island Center Inc](https://appshunter.io/developer/1768523369) | [Volodymyr Chornenkyi](https://appshunter.io/developer/1879322562) |

## What reviewers say

### MAS SI

[App page](https://appshunter.io/ios/app/mas-si/id6683310989)

This app connects the Muslim American Society of Staten Island community, offering a central hub for program organization and communication. It provides tailored notifications, personalized lecture playlists with AI summaries, and updates on Jummah talks.

**Highlights:** Tailored notification center, Personalized lecture playlists, AI-generated lecture summaries, Jummah talk notifications, Community program integration

**Features:** Apple Wallet

**In-app purchases:** none


### Emotion Tracker

[App page](https://appshunter.io/ios/app/emotion-tracker-statemap/id6759533836)

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

**In-app purchases:** none


## Frequently asked questions

### Is MAS SI free?

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

### Is Emotion Tracker free?

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

### Do MAS SI or Emotion Tracker have ads?

Neither MAS SI nor Emotion Tracker shows ads.

### Which is updated more often, MAS SI or Emotion Tracker?

MAS SI ships an update every 10 days, and Emotion Tracker every 5 days. Most recently, MAS SI was updated on October 24, 2026 and Emotion Tracker on October 24, 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.*