# Certain Check vs Storer DSD

The clearest difference is update cadence: Storer DSD at weekly against Certain Check's every 4 weeks. 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.

Certain Check ships an update every 4 weeks, Storer DSD weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Certain Check | Storer DSD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (8 ratings)](https://appshunter.io/ios/app/certain-check-in/id992659426/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 46 MB | 58 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Certain Inc.](https://appshunter.io/developer/813791820) | [Bring IT by Macro LLC](https://appshunter.io/developer/1497404775) |

## What reviewers say

### Certain Check

[App page](https://appshunter.io/ios/app/certain-check-in/id992659426)

Streamline event attendance management by quickly checking in participants and registering walk-ins directly from your mobile device. This tool syncs attendee information instantly with the main platform and allows for on-the-go profile edits. It also supports scanning QR codes for efficient entry.

**Highlights:** Check in event and session attendees, Edit attendee profile fields, Instant sync with Certain Platform, Add walk-in registrations, Scan QR codes from Certain Badges

**Features:** macOS Compatibility

**In-app purchases:** none


### Storer DSD

[App page](https://appshunter.io/ios/app/storer-dsd/id1579596390)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Certain Check free?

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

### Is Storer DSD free?

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

### Do Certain Check or Storer DSD have ads?

Neither Certain Check nor Storer DSD shows ads.

### Which is updated more often, Certain Check or Storer DSD?

Certain Check ships an update every 4 weeks, and Storer DSD weekly. Most recently, Certain Check was updated on October 24, 2026 and Storer DSD on October 25, 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.*