# SUMOFIBER Mobile Voice vs Scalerize

SUMOFIBER Mobile Voice and Scalerize are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 4, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | SUMOFIBER Mobile Voice | Scalerize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/sumofiber-mobile-voice/id1479251479/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 120 MB | 338 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [SUMOFIBER LLC](https://appshunter.io/developer/1746436608) | [Functional Medicine Fast Track LLC](https://appshunter.io/developer/1764829293) |

## What reviewers say

### SUMOFIBER Mobile Voice

[App page](https://appshunter.io/ios/app/sumofiber-mobile-voice/id1479251479)

This app brings your office phone system to your mobile device, enabling you to make and receive business calls using your office number and extension. Manage voicemail, transfer calls, and record conversations on the go, all while maintaining a professional presence.

**Highlights:** Receive calls to office number, Send and receive SMS, Make calls as office extension, Display office caller ID, Call transfer and parking, On-demand call recording, Visual voicemail management

**Features:** Siri integration

**In-app purchases:** none


### Scalerize

[App page](https://appshunter.io/ios/app/scalerize/id6670706456)

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

**In-app purchases:** none


## Frequently asked questions

### Is SUMOFIBER Mobile Voice free?

SUMOFIBER Mobile Voice is free to download, with no in-app purchases.

### Is Scalerize free?

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

### Do SUMOFIBER Mobile Voice or Scalerize have ads?

Neither SUMOFIBER Mobile Voice nor Scalerize shows ads.

### Which is updated more often, SUMOFIBER Mobile Voice or Scalerize?

SUMOFIBER Mobile Voice ships an update every 2 months, and Scalerize every 2 months. Most recently, SUMOFIBER Mobile Voice was updated on June 4, 2026 and Scalerize on September 4, 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.*