# Wattage Conversion vs SSL & Cert Inspector

The clearest difference is iOS requirement: Wattage Conversion at 15.6 against SSL & Cert Inspector's 18.4. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Wattage Conversion sells 1 one-off in-app purchase and SSL & Cert Inspector sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Wattage Conversion ships an update monthly, SSL & Cert Inspector every 5 weeks. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Wattage Conversion | SSL & Cert Inspector |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Size | 37 MB | 102 MB |
| Requires iOS | **15.6** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [akira ohmachi](https://appshunter.io/developer/1338624340) | [Medevso](https://appshunter.io/developer/449504672) |

## What reviewers say

### Wattage Conversion

[App page](https://appshunter.io/ios/app/wattage-conversion/id6473688997)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### SSL & Cert Inspector

[App page](https://appshunter.io/ios/app/ssl-and-cert-inspector/id6744987929)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro subscription | $1.99 | per month |


## Frequently asked questions

### Is Wattage Conversion free?

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

### Is SSL & Cert Inspector free?

SSL & Cert Inspector is free to download, with in-app purchases available.

### Do Wattage Conversion or SSL & Cert Inspector have ads?

Neither Wattage Conversion nor SSL & Cert Inspector shows ads.

### Which is updated more often, Wattage Conversion or SSL & Cert Inspector?

Wattage Conversion ships an update monthly, and SSL & Cert Inspector every 5 weeks. Most recently, Wattage Conversion was updated on October 11, 2026 and SSL & Cert Inspector on October 20, 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.*