# Show IDFA vs CertsCheck

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.

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.

## The numbers

| Metric | Show IDFA | CertsCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/certscheck/id6469147491/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Monetization | — | Freemium |
| Size | 14 MB | 36 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kazuhisa Kobayashi](https://appshunter.io/developer/1580882000) | [Yuya Asamura](https://appshunter.io/developer/1184558977) |

## What reviewers say

### Show IDFA

[App page](https://appshunter.io/ios/app/show-idfa/id1658957983)

**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 Show IDFA free?

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

### Is CertsCheck free?

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

### Do Show IDFA or CertsCheck have ads?

Show IDFA shows ads; CertsCheck does not.

### Which is updated more often, Show IDFA or CertsCheck?

Show IDFA ships an update monthly, and CertsCheck monthly. Most recently, Show IDFA was updated on September 24, 2026 and CertsCheck on September 16, 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.*