# Device Info Tool vs CertsCheck

The clearest difference is rating: CertsCheck at 5.0 against Device Info Tool's 4.2. CertsCheck also leads on review sentiment (100% vs 67%). Device Info Tool's advantage is in-app purchases (none vs 3) and chart position (#158 vs unranked). On price, ratings volume, update cadence and ads there is nothing between them.

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

CertsCheck holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews point the same way: 67% of Device Info Tool's written reviews are positive against 100% of CertsCheck's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Device Info Tool | CertsCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/device-info-tool/id6448629269/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/certscheck/id6469147491/reviews)** |
| Number of ratings | **5** | 4 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | **Ad-supported** | Freemium |
| Best chart rank | **#158** | — |
| Size | 12 MB | 35 MB |
| Requires iOS | **16.2** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [IDB LLC](https://appshunter.io/developer/917634021) | [Yuya Asamura](https://appshunter.io/developer/1184558977) |

## What reviewers say

### Device Info Tool

[App page](https://appshunter.io/ios/app/device-info-tool/id6448629269)

**Currently charting:** #158 Top Free · Developer Tools (US App Store)

Gain in-depth knowledge of your mobile device's hardware and software. Explore detailed specifications including storage, battery health, network details, sensors, and OS version through an intuitive interface. Ideal for users seeking to understand their device's capabilities.

**Highlights:** Detailed hardware information, Comprehensive software specifications, Storage capacity details, Battery health monitoring, Network and Wi-Fi insights, Sensor availability, User-friendly interface

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

**In-app purchases:** none


### CertsCheck

[App page](https://appshunter.io/ios/app/certscheck/id6469147491)

Easily inspect the details of TLS/SSL certificates directly from your browser. This tool helps you understand certificate information, including those from Let's Encrypt, without needing to be a security expert.

**Highlights:** Check TLS/SSL certificate contents, Inspect certificate details via URL, Share Extension for browsers, Understand Let's Encrypt certificates, Premium subscription for advanced features

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $1.99 | per month |
| Premium (Yearly) | $19.99 | per year |
| Buy developer a coffee | $1.99 | one-time |


## Frequently asked questions

### Is Device Info Tool free?

Device Info Tool is free to download, with no in-app purchases.

### Is CertsCheck free?

CertsCheck is free to download, with in-app purchases available.

### Which has better reviews, Device Info Tool or CertsCheck?

CertsCheck is rated higher. Device Info Tool averages 4.2 out of 5 from 5 ratings, while CertsCheck averages 5.0 from 4 ratings.

### Do Device Info Tool or CertsCheck have ads?

Neither Device Info Tool nor CertsCheck shows ads.

### Which is updated more often, Device Info Tool or CertsCheck?

Device Info Tool ships an update monthly, and CertsCheck monthly. Most recently, Device Info Tool was updated on October 2, 2026 and CertsCheck on October 6, 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.*