# MTSip vs Autoflex

The clearest difference is update cadence: Autoflex at every 2 weeks against MTSip's every 7 months. Autoflex also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, 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.

MTSip ships an update every 7 months, Autoflex every 2 weeks. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | MTSip | Autoflex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Size | 109 MB | 69 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [MaxiTEL Telecom B.V.](https://appshunter.io/developer/1092114072) | [Autoflex](https://appshunter.io/developer/1038408610) |

## What reviewers say

### MTSip

[App page](https://appshunter.io/ios/app/mtsip/id1092114073)

**In-app purchases:** none


### Autoflex

[App page](https://appshunter.io/ios/app/autoflex/id1458851588)

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

**In-app purchases:** none


## Frequently asked questions

### Is MTSip free?

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

### Is Autoflex free?

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

### Do MTSip or Autoflex have ads?

Neither MTSip nor Autoflex shows ads.

### Which is updated more often, MTSip or Autoflex?

MTSip ships an update every 7 months, and Autoflex every 2 weeks. Most recently, MTSip was updated on October 7, 2026 and Autoflex on September 30, 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.*