# Wattage Conversion vs Clasp

The clearest difference is update cadence: Clasp at every 9 days against Wattage Conversion's monthly. Wattage Conversion's advantage is iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Wattage Conversion sells 1 one-off in-app purchase and Clasp sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Wattage Conversion ships an update monthly, Clasp every 9 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Wattage Conversion | Clasp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 37 MB | 13 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 9+ |
| Developer | [akira ohmachi](https://appshunter.io/developer/1338624340) | [Christine Martin](https://appshunter.io/developer/1874045866) |

## 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 |


### Clasp

[App page](https://appshunter.io/ios/app/clasp-clipboard-manager/id6759068382)

Organize and access your copied text, links, and images with a powerful clipboard manager. Record audio notes and convert speech to searchable text using various transcription providers. Seamlessly insert saved snippets into other apps via an optional keyboard extension.

**Highlights:** Save and organize text, links, and images, Searchable clipboard history, Optional keyboard extension for quick pasting, Record audio notes, Speech-to-text transcription, AI-powered content indexing and summaries, iCloud synchronization

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clasp Pro+ Monthly | $4.99 | per month |
| Clasp Pro+ Annual | $19.99 | per year |
| Clasp Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Wattage Conversion free?

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

### Is Clasp free?

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

### Do Wattage Conversion or Clasp have ads?

Neither Wattage Conversion nor Clasp shows ads.

### Which is updated more often, Wattage Conversion or Clasp?

Wattage Conversion ships an update monthly, and Clasp every 9 days. Most recently, Wattage Conversion was updated on October 25, 2026 and Clasp on October 24, 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.*