# WVS Data Collection App vs BITS SU App

The clearest difference is update cadence: WVS Data Collection App at every 3 weeks against BITS SU App's every 2 months. WVS Data Collection App also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

WVS Data Collection App ships an update every 3 weeks, BITS SU App every 2 months. The most recent releases landed on August 28, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | WVS Data Collection App | BITS SU App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 45 MB | 73 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mission Rabies Ltd](https://appshunter.io/developer/984491450) | [Rohit Bharadwaj](https://appshunter.io/developer/1483960094) |

## What reviewers say

### WVS Data Collection App

[App page](https://appshunter.io/ios/app/wvs-data-collection-app/id1048355034)

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

**In-app purchases:** none


### BITS SU App

[App page](https://appshunter.io/ios/app/bits-su-app/id1483960095)

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

**In-app purchases:** none


## Frequently asked questions

### Is WVS Data Collection App free?

WVS Data Collection App is free to download, with no in-app purchases.

### Is BITS SU App free?

BITS SU App is free to download, with no in-app purchases.

### Do WVS Data Collection App or BITS SU App have ads?

Neither WVS Data Collection App nor BITS SU App shows ads.

### Which is updated more often, WVS Data Collection App or BITS SU App?

WVS Data Collection App ships an update every 3 weeks, and BITS SU App every 2 months. Most recently, WVS Data Collection App was updated on August 28, 2026 and BITS SU App on September 16, 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.*