# WDM vs Contacts backup `

WDM and Contacts backup ` both sit at 4.8 stars, but that hides the real split: 100% of WDM's written reviews are positive against 0% of Contacts backup `'s. WDM also leads on update cadence (every 9 days vs every 3 weeks). Contacts backup `'s advantage is ratings volume (53 vs 5). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. WDM sells 1 one-off in-app purchase and Contacts backup ` sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for WDM against 4.7 for Contacts backup `. That said, the two scores are not equally well evidenced: Contacts backup ` has 53 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 100% of WDM's written reviews are positive against 0% of Contacts backup `'s.

WDM ships an update every 9 days, Contacts backup ` every 3 weeks. The most recent releases landed on August 2, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | WDM | Contacts backup ` |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/wdm-message-without-saving/id6450598935/reviews)** | [4.7 (53 ratings)](https://appshunter.io/ios/app/contacts-backup/id6748363507/reviews) |
| Number of ratings | 5 | **53** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 11 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ravi Pansuriya](https://appshunter.io/developer/1633190964) | [ENGINES STUDIO LAB](https://appshunter.io/developer/1686902830) |

## What reviewers say

### 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 |


### Contacts backup `

[App page](https://appshunter.io/ios/app/contacts-backup/id6748363507)

Safeguard your address book with this straightforward utility. Easily back up, restore, and transfer contacts in various formats, even offline. Schedule regular backups and organize them by date for peace of mind.

**Highlights:** One-tap contact backup, Restore from previous backups, Export in VCF or CSV, Share backups easily, Smart backup reminders, Organize backups by date, Offline functionality

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access for 1 week | $0.99 | per 7 days |
| Full access for 1 month | $3.99 | per month |
| Full access for 1 year | $19.99 | per year |
| Lifetime access | $24.99 | one-time |


## Frequently asked questions

### Is WDM free?

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

### Is Contacts backup ` free?

Contacts backup ` is free to download, with in-app purchases available.

### Which has better reviews, WDM or Contacts backup `?

WDM is rated higher. WDM averages 4.8 out of 5 from 5 ratings, while Contacts backup ` averages 4.7 from 53 ratings.

### Do WDM or Contacts backup ` have ads?

Neither WDM nor Contacts backup ` shows ads.

### Which is updated more often, WDM or Contacts backup `?

WDM ships an update every 9 days, and Contacts backup ` every 3 weeks. Most recently, WDM was updated on August 2, 2026 and Contacts backup ` on September 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.*