Show IDFA vs CertsCheck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Show IDFA
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The app shows IDFA, Device name, OS, OS version, and carrier name then able to copy to clipboard. When you would like to get IDFA, it's necessary to allow to track your activity.
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.
- Check TLS/SSL certificate contents
- Inspect certificate details via URL
- Share Extension for browsers
- Understand Let's Encrypt certificates
- Premium subscription for advanced features
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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
Verdict
The clearest difference is in-app purchases: Show IDFA at none against CertsCheck's 3. Show IDFA also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). CertsCheck's advantage is ads (none vs shown). On price and update cadence 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
Both are free to download. CertsCheck sells 3 in-app purchases, starting at $1.99 per month. Show IDFA asks for nothing beyond the download.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.
| Parameter | Show IDFA | CertsCheck |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Monthly | Monthly |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 14 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Kazuhisa Kobayashi | Yuya Asamura |
In-app purchases
Show IDFA
No in-app purchases
CertsCheck
- Premium (Monthly)7 Days trial$1.991 Month
- Premium (Yearly)1 Month trial$19.991 Year
- Buy developer a coffee$1.99
