# 秒給タイマー vs CertsCheck

The clearest difference is in-app purchases: 秒給タイマー at none against CertsCheck's 3. 秒給タイマー also leads on update cadence (every 4 days vs monthly) and iOS requirement (11.0 vs 18.0). CertsCheck's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. CertsCheck sells 3 in-app purchases, starting at $1.99 per month. 秒給タイマー asks for nothing beyond the download.

秒給タイマー ships an update every 4 days, CertsCheck monthly. The most recent releases landed on September 12, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 秒給タイマー | 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 | **Every 4 days** | Monthly |
| Monetization | — | Freemium |
| Size | 29 MB | 36 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ryutaro Iseki](https://appshunter.io/developer/1544199624) | [Yuya Asamura](https://appshunter.io/developer/1184558977) |

## What reviewers say

### 秒給タイマー

[App page](https://appshunter.io/ios/app/id1669494153)

**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 秒給タイマー free?

秒給タイマー is free to download, with no in-app purchases.

### Is CertsCheck free?

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

### Do 秒給タイマー or CertsCheck have ads?

秒給タイマー shows ads; CertsCheck does not.

### Which is updated more often, 秒給タイマー or CertsCheck?

秒給タイマー ships an update every 4 days, and CertsCheck monthly. Most recently, 秒給タイマー was updated on September 12, 2026 and CertsCheck on September 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*