# GST Calculator Online vs WDM

The clearest difference is price: WDM at Free against GST Calculator Online's $0.99. WDM also leads on update cadence (every 9 days vs monthly). GST Calculator Online's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads and iOS requirement there is nothing between them.

WDM is free to download; GST Calculator Online costs $0.99 up front. WDM sells 1 one-off in-app purchase. GST Calculator Online asks for nothing beyond the download.

GST Calculator Online ships an update monthly, WDM every 9 days. The most recent releases landed on November 12, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | GST Calculator Online | WDM |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.4 (8 ratings)](https://appshunter.io/ios/app/wdm-message-without-saving/id6450598935/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 9 MB | 9 MB |
| Requires iOS | **15.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [COP ONLINE SERVICES PVT LTD](https://appshunter.io/developer/1678499294) | [Ravi Pansuriya](https://appshunter.io/developer/1633190964) |

## What reviewers say

### GST Calculator Online

[App page](https://appshunter.io/ios/app/gst-calculator-online/id6446764727)

Effortlessly calculate GST and VAT taxes with this user-friendly application. It simplifies tax computations for businesses and individuals, ensuring accuracy and eliminating manual errors. Features include GST/VAT calculations and interest computations.

**Highlights:** GST and VAT calculation, Interest calculation, User-friendly interface, Accurate results, Accessible anytime, anywhere, Streamlined tax management

**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 GST Calculator Online free?

GST Calculator Online costs $0.99, with no in-app purchases.

### Is WDM free?

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

### Do GST Calculator Online or WDM have ads?

Neither GST Calculator Online nor WDM shows ads.

### Which is updated more often, GST Calculator Online or WDM?

GST Calculator Online ships an update monthly, and WDM every 9 days. Most recently, GST Calculator Online was updated on November 12, 2026 and WDM on November 7, 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.*