# WDM vs PDF Guru Anki

The clearest difference is update cadence: WDM at every 9 days against PDF Guru Anki's every 3 weeks. PDF Guru Anki's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. WDM sells 1 one-off in-app purchase and PDF Guru Anki sells 3 in-app purchases, starting at $0.99 per month. 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 PDF Guru Anki. Both are backed by a comparable volume of ratings — 5 and 14 respectively. Written reviews are what separate them: 100% of WDM's written reviews are positive against 93% of PDF Guru Anki's.

WDM ships an update every 9 days, PDF Guru Anki every 3 weeks. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | WDM | PDF Guru Anki |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/wdm-message-without-saving/id6450598935/reviews)** | [4.7 (14 ratings)](https://appshunter.io/ios/app/pdf-guru-anki/id6740508123/reviews) |
| Number of ratings | 5 | **14** |
| Positive reviews | **100.0% of reviews** | 93.3% 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 | 240 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ravi Pansuriya](https://appshunter.io/developer/1633190964) | [名杰 王](https://appshunter.io/developer/1790215066) |

## 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 |


### PDF Guru Anki

[App page](https://appshunter.io/ios/app/pdf-guru-anki/id6740508123)

This app is a multi-functional office and learning assistant. It offers tools for PDF manipulation, efficient Anki card creation from various document types, Anki synchronization, and video note-taking with timestamp integration for a streamlined study process.

**Highlights:** PDF merging, splitting, rotating, encrypting, and converting, Anki card creation from PDFs, Word, Xmind, Markdown, Excel, and WeChat Reading, Batch creation of cloze, Q&A, and multiple-choice Anki cards, Local area network (LAN) sync server for Anki, Video note-taking with timestamp and screenshot insertion, Timestamp-based navigation for video notes, Seamless import of notes into Anki

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly membership | $0.99 | per month |
| Annual membership | $6.99 | per year |
| Lifetime Membership | $14.99 | one-time |


## Frequently asked questions

### Is WDM free?

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

### Is PDF Guru Anki free?

PDF Guru Anki is free to download, with in-app purchases available.

### Which has better reviews, WDM or PDF Guru Anki?

WDM is rated higher. WDM averages 4.8 out of 5 from 5 ratings, while PDF Guru Anki averages 4.7 from 14 ratings.

### Do WDM or PDF Guru Anki have ads?

Neither WDM nor PDF Guru Anki shows ads.

### Which is updated more often, WDM or PDF Guru Anki?

WDM ships an update every 9 days, and PDF Guru Anki every 3 weeks. Most recently, WDM was updated on October 14, 2026 and PDF Guru Anki on October 13, 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.*