# OnSIP vs 800.com

The clearest difference is rating: 800.com at 4.0 against OnSIP's 2.4. 800.com also leads on review sentiment (45% vs 9%) and iOS requirement (15.6 vs 17.4). OnSIP's advantage is ratings volume (67 vs 17). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

800.com holds the better App Store score, 4.0 against 2.4. Both are backed by a comparable volume of ratings — 67 and 17 respectively. Written reviews point the same way: 9% of OnSIP's written reviews are positive against 45% of 800.com's.

OnSIP ships an update every 2 months, 800.com every 6 weeks. The most recent releases landed on September 15, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | OnSIP | 800.com |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (67 ratings)](https://appshunter.io/ios/app/onsip/id1253050184/reviews) | **[4.0 (17 ratings)](https://appshunter.io/ios/app/800com/id1466825309/reviews)** |
| Number of ratings | **67** | 17 |
| Positive reviews | 8.7% of reviews | **45.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 26 MB | 75 MB |
| Requires iOS | 17.4 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OnSIP](https://appshunter.io/developer/1253050183) | [800.com](https://appshunter.io/developer/1466825308) |

## What reviewers say

### OnSIP

[App page](https://appshunter.io/ios/app/onsip/id1253050184)

This app extends your business phone system to your mobile device, enabling HD voice and video calls, contact monitoring, and voicemail management. Stay connected with clients and colleagues from anywhere, without needing extra hardware.

**Highlights:** HD voice and video calls, Voicemail management, Contact availability monitoring, Call history, Remote work connectivity

**Features:** Vision Pro support

**In-app purchases:** none


### 800.com

[App page](https://appshunter.io/ios/app/800com/id1466825309)

This app enables users to manage and utilize their business phone numbers directly from their personal device. It allows for making calls and sending/receiving text messages, ensuring no customer interactions are missed. Users can also access voicemails with live transcriptions and manage multiple numbers and companies within a single interface.

**Highlights:** Manage multiple phone numbers, Send and receive text messages, Make and receive calls, View incoming calls, messages, and voicemails, Live voicemail transcriptions, Multimedia messaging support

**In-app purchases:** none


## Frequently asked questions

### Is OnSIP free?

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

### Is 800.com free?

800.com is free to download, with no in-app purchases.

### Which has better reviews, OnSIP or 800.com?

800.com is rated higher. OnSIP averages 2.4 out of 5 from 67 ratings, while 800.com averages 4.0 from 17 ratings.

### Do OnSIP or 800.com have ads?

Neither OnSIP nor 800.com shows ads.

### Which is updated more often, OnSIP or 800.com?

OnSIP ships an update every 2 months, and 800.com every 6 weeks. Most recently, OnSIP was updated on September 15, 2026 and 800.com on September 19, 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.*