# Netsipp Softphone vs OttoErP

The clearest difference is in-app purchases: Netsipp Softphone at none against OttoErP's 2. OttoErP's advantage is update cadence (daily vs every 2 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. OttoErP sells 2 in-app purchases, starting at $24.99 per month. Netsipp Softphone asks for nothing beyond the download.

Netsipp Softphone ships an update every 2 months, OttoErP daily. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Netsipp Softphone | OttoErP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/netsipp-softphone/id1668104428/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 115 MB | 3 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NETGSM ILETISIM VE BILGI TEKNOLOJILERI ANONIM SIRKETI](https://appshunter.io/developer/577362796) | [Oguzhan Ozata](https://appshunter.io/developer/1529252460) |

## What reviewers say

### Netsipp Softphone

[App page](https://appshunter.io/ios/app/netsipp-softphone/id1668104428)

This mobile app enables VoIP calls for Netgsm subscribers and Netsantral users directly from your smartphone. It supports various codecs and offers features like call history and phonebook access.

**Highlights:** VoIP service for Netgsm subscribers, SIP-based softphone, Supports G.711µ/a, GSM codecs, Access phone contacts, Call history log, Call management features (hold, mute, transfer)

**Features:** Vision Pro support

**In-app purchases:** none


### OttoErP

[App page](https://appshunter.io/ios/app/ottoerp/id6780785711)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OttoErP Aylik | $24.99 | per month |
| OttoErP Yillik | $229.99 | per year |


## Frequently asked questions

### Is Netsipp Softphone free?

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

### Is OttoErP free?

OttoErP is free to download, with in-app purchases available.

### Do Netsipp Softphone or OttoErP have ads?

Neither Netsipp Softphone nor OttoErP shows ads.

### Which is updated more often, Netsipp Softphone or OttoErP?

Netsipp Softphone ships an update every 2 months, and OttoErP daily. Most recently, Netsipp Softphone was updated on October 14, 2026 and OttoErP 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.*