# mobile CIS vs Brainstork

The clearest difference is update cadence: mobile CIS at every 6 months against Brainstork's every 29 months. 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.

mobile CIS ships an update every 6 months, Brainstork every 29 months. The most recent releases landed on August 12, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | mobile CIS | Brainstork |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 29 months |
| Monetization | Free | — |
| Size | 16 MB | 18 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IfaD - Gmbh Institut fur angewandte Datenanalyse](https://appshunter.io/developer/584846828) | [Brainstork GmbH](https://appshunter.io/developer/1629605316) |

## What reviewers say

### mobile CIS

[App page](https://appshunter.io/ios/app/mobile-cis/id584846825)

This application enables the creation and execution of surveys for various research purposes, including in-store checks and customer feedback. It supports offline data collection and offers a wide array of interactive question types for dynamic data gathering.

**Highlights:** Offline data collection, Responsive survey design, Snapshot (photo) questions, Audio recording and playback, Tachistoscope for timed image display, Product comparison and ranking, Interactive mapping and feature marking

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

**In-app purchases:** none


### Brainstork

[App page](https://appshunter.io/ios/app/brainstork/id1629605044)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is mobile CIS free?

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

### Is Brainstork free?

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

### Do mobile CIS or Brainstork have ads?

Neither mobile CIS nor Brainstork shows ads.

### Which is updated more often, mobile CIS or Brainstork?

mobile CIS ships an update every 6 months, and Brainstork every 29 months. Most recently, mobile CIS was updated on August 12, 2026 and Brainstork on May 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.*