# Zoiper Premium voip soft phone vs Onetime Docs

The clearest difference is price: Onetime Docs at Free against Zoiper Premium voip soft phone's $4.99. Onetime Docs also leads on in-app purchases (none vs 4). Zoiper Premium voip soft phone's advantage is chart position (#80 vs unranked) and iOS requirement (13.0 vs 15.5). On update cadence, ads and device support there is nothing between them.

Onetime Docs is free to download; Zoiper Premium voip soft phone costs $4.99 up front. Zoiper Premium voip soft phone sells 4 in-app purchases, starting at $0.99 per month. Onetime Docs asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Zoiper Premium voip soft phone | Onetime Docs |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.5 (132 ratings)](https://appshunter.io/ios/app/zoiper-premium-voip-soft-phone/id787863350/reviews)** | — |
| Number of ratings | **132** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#80** | — |
| Size | 47 MB | 21 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Securax Ltd.](https://appshunter.io/developer/415872143) | [Gregory Estevez](https://appshunter.io/developer/1526914660) |

## What reviewers say

### Zoiper Premium voip soft phone

[App page](https://appshunter.io/ios/app/zoiper-premium-voip-soft-phone/id787863350)

**Currently charting:** #80 Top Paid · Productivity (US App Store)

This app allows users to make high-quality voice and video calls over Wi-Fi or 3G using any PBX or VoIP provider. It offers features like call waiting, transfer, recording, and instant messaging, with background optimization for battery life. A QR code scanner simplifies account setup.

**Highlights:** High-quality voice and video calls, Connects to any PBX or VoIP provider, Background operation with battery optimization, QR code scanner for easy setup, Call waiting, transfer, and recording, Instant messaging and presence, Encryption support

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $0.99 | per month |
| 1 year | $9.99 | per year |
| H.264 video codec | $3.99 | one-time |
| G.729 codec | $8.99 | one-time |

**What reviewers like**

- 🚀 Easy to set up
- 💡 Affordable and good user interface
- 🚀 Works well on iPhone and iPad
- 🚀 Reliable and consistent
- 🚀 Excellent quality and reliable

**What reviewers complain about**

- 🐛 Constant issues with error codes and IPv6
- 🐛 Doesn't keep the registration active
- 🐛 Microphone has outages
- 🐛 Crashes and freezes
- 🐛 Unreliable and broken

**Reported bugs**

- Camera access error notifications can't be disabled
- Notifications for lower registration time and battery impact can't be disabled
- Push notifications disabled message even when not needed
- Mute not working when minimizing the app
- Speakerphone button has no effect

**Requested features**

- Add voicemail key
- Provide a dark theme
- Add text/sms and video call/chat option
- Support landscape mode for video calls
- Develop a native iPadOS app


### Onetime Docs

[App page](https://appshunter.io/ios/app/onetime-docs/id6479569089)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zoiper Premium voip soft phone free?

Zoiper Premium voip soft phone costs $4.99, and also offers in-app purchases.

### Is Onetime Docs free?

Onetime Docs is free to download, with no in-app purchases.

### Do Zoiper Premium voip soft phone or Onetime Docs have ads?

Neither Zoiper Premium voip soft phone nor Onetime Docs shows ads.

### Which is updated more often, Zoiper Premium voip soft phone or Onetime Docs?

Zoiper Premium voip soft phone ships an update every 2 months, and Onetime Docs every 2 months. Most recently, Zoiper Premium voip soft phone was updated on November 1, 2026 and Onetime Docs on October 25, 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.*