# WIND SmartVoice ® vs Dark PDF

The clearest difference is in-app purchases: WIND SmartVoice ® at none against Dark PDF's 4. Dark PDF's advantage is update cadence (monthly vs every 13 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Dark PDF sells 4 in-app purchases, starting at $1.99 per month. WIND SmartVoice ® asks for nothing beyond the download.

WIND SmartVoice ® ships an update every 13 months, Dark PDF monthly. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | WIND SmartVoice ® | Dark PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/wind-smartvoice/id1086101891/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Monthly** |
| Monetization | Free | — |
| Size | 85 MB | 11 MB |
| Requires iOS | **15.0** | 15.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Wind Telecom S.A.](https://appshunter.io/developer/1461451681) | [Muhammet Ozturk](https://appshunter.io/developer/1640983852) |

## What reviewers say

### WIND SmartVoice ®

[App page](https://appshunter.io/ios/app/wind-smartvoice/id1086101891)

Make calls using your WIND phone line from anywhere with internet access. Enjoy free WIND-to-WIND calls and international calls at local rates. Activate the service by contacting customer support.

**Highlights:** Use WIND line anywhere with internet, Free WIND to WIND calls, International calls at local rates, Multiple minute plans available, Secure login with username and password

**Features:** macOS Compatibility

**In-app purchases:** none


### Dark PDF

[App page](https://appshunter.io/ios/app/dark-pdf-night-mode-reader/id6754808094)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - Unlimited - Black Friday | $1.99 | per month |
| Yearly - Unlimited Pdf,Black Friday | $9.99 | per year |
| Monthly - Unlimited PDF | $49.99 | per month |
| Yearly - Unlimited PDF | $99.99 | per year |


## Frequently asked questions

### Is WIND SmartVoice ® free?

WIND SmartVoice ® is free to download, with no in-app purchases.

### Is Dark PDF free?

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

### Do WIND SmartVoice ® or Dark PDF have ads?

Neither WIND SmartVoice ® nor Dark PDF shows ads.

### Which is updated more often, WIND SmartVoice ® or Dark PDF?

WIND SmartVoice ® ships an update every 13 months, and Dark PDF monthly. Most recently, WIND SmartVoice ® was updated on October 13, 2026 and Dark PDF on October 16, 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.*