# Callcentric SMS vs RouteFlow SMS

The clearest difference is iOS requirement: Callcentric SMS at 16.6 against RouteFlow SMS's 18.6. 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.

Callcentric SMS ships an update every 3 weeks, RouteFlow SMS every 2 weeks. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Callcentric SMS | RouteFlow SMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (207 ratings)](https://appshunter.io/ios/app/callcentric-sms/id1523913647/reviews)** | — |
| Number of ratings | **207** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 49 MB | 3 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 17+ | 12+ |
| Developer | [Callcentric, Inc.](https://appshunter.io/developer/454823206) | [XProduct Labs, LLC](https://appshunter.io/developer/633353638) |

## What reviewers say

### Callcentric SMS

[App page](https://appshunter.io/ios/app/callcentric-sms/id1523913647)

Send and receive SMS messages using your Callcentric phone numbers. This app offers real-time messaging, contact list integration, and dark mode support. It requires an active Callcentric account and an SMS Access Plan.

**Highlights:** Real-time SMS messaging, Dark Mode support, Contact list integration, Multiple number support, Manage SMS functionality per number, Multi-account support, Customizable default SMS number

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

**In-app purchases:** none


### RouteFlow SMS

[App page](https://appshunter.io/ios/app/routeflow-sms/id6756984698)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Callcentric SMS free?

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

### Is RouteFlow SMS free?

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

### Do Callcentric SMS or RouteFlow SMS have ads?

Neither Callcentric SMS nor RouteFlow SMS shows ads.

### Which is updated more often, Callcentric SMS or RouteFlow SMS?

Callcentric SMS ships an update every 3 weeks, and RouteFlow SMS every 2 weeks. Most recently, Callcentric SMS was updated on October 24, 2026 and RouteFlow SMS on October 18, 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.*