# UCRSRC vs 3E Smartphone Substudy

The clearest difference is iOS requirement: UCRSRC at 11.0 against 3E Smartphone Substudy's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | UCRSRC | 3E Smartphone Substudy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (46 ratings)](https://appshunter.io/ios/app/ucrsrc/id1147047371/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 32 MB | 50 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UCR Student Recreation Center](https://appshunter.io/developer/731618631) | [Avicenna Research Inc.](https://appshunter.io/developer/1137173051) |

## What reviewers say

### UCRSRC

[App page](https://appshunter.io/ios/app/ucrsrc/id1147047371)

Access the UC Riverside Student Recreation Center with this app. View class and event schedules, add activities to your calendar, and check facility usage to plan your visit. Connect with the UCRSRC social media community and use the built-in QR code reader.

**Highlights:** View class and event schedules, Add events to personal calendar, Set activity reminders, Check facility usage counts, Access contact and directions, Built-in QR code reader

**In-app purchases:** none


### 3E Smartphone Substudy

[App page](https://appshunter.io/ios/app/3e-smartphone-substudy/id6465963006)

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

**In-app purchases:** none


## Frequently asked questions

### Is UCRSRC free?

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

### Is 3E Smartphone Substudy free?

3E Smartphone Substudy is free to download, with no in-app purchases.

### Do UCRSRC or 3E Smartphone Substudy have ads?

Neither UCRSRC nor 3E Smartphone Substudy shows ads.

### Which is updated more often, UCRSRC or 3E Smartphone Substudy?

UCRSRC ships an update every 3 weeks, and 3E Smartphone Substudy every 3 weeks. Most recently, UCRSRC was updated on October 13, 2026 and 3E Smartphone Substudy on October 7, 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.*