# Device Settings Information vs ctLibrary

The clearest difference is in-app purchases: ctLibrary at none against Device Settings Information's 3. ctLibrary also leads on ads (none vs shown) and update cadence (daily vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Device Settings Information sells 3 in-app purchases, starting at $1.99 per month. ctLibrary asks for nothing beyond the download.

Device Settings Information ships an update every 5 months, ctLibrary daily. The most recent releases landed on September 29, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Device Settings Information | ctLibrary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (116 ratings)](https://appshunter.io/ios/app/device-settings-information/id1585634184/reviews)** | — |
| Number of ratings | **116** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 43 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yalintech](https://appshunter.io/developer/1530568426) | [CozziTech LLC](https://appshunter.io/developer/1881303395) |

## What reviewers say

### Device Settings Information

[App page](https://appshunter.io/ios/app/device-settings-information/id1585634184)

Access detailed device information, including model, data usage, and battery status. Features a digital compass, flashlight with customizable levels, and screen brightness adjustments. Offers multiple language support for enhanced usability.

**Highlights:** Device model and version details, Data usage and hotspot information, Digital compass with True North, Customizable flashlight with 10 levels, Battery charge and charging status, Screen color and brightness adjustment

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MonthlySubscription | $1.99 | per month |
| YearlySubscription | $6.99 | per year |
| One time purchase | $8.99 | one-time |


### ctLibrary

[App page](https://appshunter.io/ios/app/ctlibrary/id6773506408)

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

**In-app purchases:** none


## Frequently asked questions

### Is Device Settings Information free?

Device Settings Information is free to download, with in-app purchases available.

### Is ctLibrary free?

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

### Do Device Settings Information or ctLibrary have ads?

Device Settings Information shows ads; ctLibrary does not.

### Which is updated more often, Device Settings Information or ctLibrary?

Device Settings Information ships an update every 5 months, and ctLibrary daily. Most recently, Device Settings Information was updated on September 29, 2026 and ctLibrary on September 19, 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.*