Comparison

Device Info Tool vs CertsCheck

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Device Info Tool

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
Read full description

Device Info is a powerful and comprehensive application that provides users with detailed insights into the hardware and software specifications of their mobile devices. Designed for iOS, obtain accurate information about their devices' capabilities. Key Features: Hardware and Software Information: Device Info provides users with detailed insights into their device's hardware and software specifications. Explore information about storage capacity, battery health, network and Wi-Fi details, available sensors, CPU architecture, operating system version, and much more. User-Friendly Interface: The intuitive and user-friendly interface of Device Info makes it accessible for users of all levels of technical expertise. Device Info is a valuable tool for developers and anyone who wants to gain deeper insights into their mobile devices. Whether you need to assess network performance, or simply explore the hardware and software specifications of your device, Device Info has you covered. Download Device Info today and unlock the power to understand and optimize your mobile device like never before.

About

CertsCheck

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
Read full description

CertsCheck is an app that allows you to easily check the contents of TLS/SSL certificates. You can also input the URL and inspect the certificate's details directly using a Share Extension from Safari or your preferred browser app. The majority of sites using Let's Encrypt are not necessarily fraudulent sites!! ******************** CertsCheck Premium - Monthly $1.99 - Yearly $19.99 ******************** Terms of service: https://github.com/nnsnodnb/ssl-certificates-check-ios/wiki/Terms Privacy Policy: https://github.com/nnsnodnb/ssl-certificates-check-ios/wiki/Privacy-Policy Notation based on Japan's Act on Specified Commercial Transactions: https://nnsnodnb.moe/commercial-law/

Screenshots

Device Info Tool4 screens
CertsCheck3 screens

Verdict

The call

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 (#153 vs unranked). On price, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard6 real differences · 5 level
Device Info Tool versus CertsCheck: the parameters behind the verdict, then further details
ParameterDevice Info ToolCertsCheck
PriceFreeFree
Rating4.2 (5 ratings)5.0 (4 ratings) — better
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings5 — better4
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
Best chart rank#153 — better—
DevicesiPhoneiPhone
Requires iOS16.2 — better18.0
Further details — not scored
Size12 MB35 MB
Age rating4+4+
DeveloperIDB LLCYuya Asamura

Customer experience

Device Info Tool

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

CertsCheck

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Device Info Tool

No in-app purchases

3 purchases

CertsCheck

Subscriptions2
  • Premium (Monthly)7 Days trial$1.991 Month
  • Premium (Yearly)1 Month trial$19.991 Year
One-time1
  • Buy developer a coffee$1.99

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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