# SBBDL Mobile vs CK

SBBDL Mobile and CK 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.

SBBDL Mobile ships an update every 14 months, CK every 9 months. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SBBDL Mobile | CK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.4 (18 ratings)](https://appshunter.io/ios/app/ck-auth/id1342083838/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 9 months** |
| Monetization | — | Free |
| Size | 18 MB | 2 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Traverse Area District Library](https://appshunter.io/developer/684307476) | [ContentKeeper Technologies](https://appshunter.io/developer/1342083837) |

## What reviewers say

### SBBDL Mobile

[App page](https://appshunter.io/ios/app/sbbdl-mobile/id1297460683)

**Features:** macOS Compatibility

**In-app purchases:** none


### CK

[App page](https://appshunter.io/ios/app/ck-auth/id1342083838)

This app offers a secure and filtered internet browsing experience for iOS users, ensuring CIPA compliance for educational institutions. It provides granular, identity-based reporting and policy-driven web access control, whether users are on-premises or traveling globally.

**Highlights:** Secure internet browsing, Identity-based reporting, Policy-based filtering, CIPA compliance, Global web access control, MDM deployment

**In-app purchases:** none


## Frequently asked questions

### Is SBBDL Mobile free?

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

### Is CK free?

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

### Do SBBDL Mobile or CK have ads?

Neither SBBDL Mobile nor CK shows ads.

### Which is updated more often, SBBDL Mobile or CK?

SBBDL Mobile ships an update every 14 months, and CK every 9 months. Most recently, SBBDL Mobile was updated on October 1, 2026 and CK on October 8, 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.*