# Length Conversion vs WDM

The clearest difference is price: WDM at Free against Length Conversion's $0.29. Length Conversion's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads there is nothing between them.

WDM is free to download; Length Conversion costs $0.29 up front. WDM sells 1 one-off in-app purchase. Length Conversion asks for nothing beyond the download.

## The numbers

| Metric | Length Conversion | WDM |
| --- | --- | --- |
| Price | $0.29 | **Free** |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/wdm-message-without-saving/id6450598935/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 9 MB |
| Requires iOS | **12.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Krzysztof Gwiazda](https://appshunter.io/developer/1546740383) | [Ravi Pansuriya](https://appshunter.io/developer/1633190964) |

## What reviewers say

### Length Conversion

[App page](https://appshunter.io/ios/app/length-conversion/id6449979188)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### WDM

[App page](https://appshunter.io/ios/app/wdm-message-without-saving/id6450598935)

Instantly start chats with unsaved numbers without cluttering your contacts. Paste or scan numbers, and begin messaging immediately. Features smart detection and a history of recent conversations for effortless communication.

**Highlights:** Start instant chats with unsaved numbers, Smart number detection from clipboard, Scan numbers and QR codes, Built-in dialer, History of recent conversations, Ad-free experience

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Us a Coffee | $0.99 | one-time |


## Frequently asked questions

### Is Length Conversion free?

Length Conversion costs $0.29, with no in-app purchases.

### Is WDM free?

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

### Do Length Conversion or WDM have ads?

Neither Length Conversion nor WDM shows ads.

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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.*