# FlexOffice Community vs SIPSpace

The clearest difference is iOS requirement: FlexOffice Community at 13.4 against SIPSpace's 17.0. 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.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on May 19, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | FlexOffice Community | SIPSpace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Size | 25 MB | 30 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Flexoffice (Schweiz) AG](https://appshunter.io/developer/1446291689) | [Switzerland Innovation Park Basel Area AG](https://appshunter.io/developer/1819121450) |

## What reviewers say

### FlexOffice Community

[App page](https://appshunter.io/ios/app/flexoffice-community/id1446291690)

**Features:** macOS Compatibility

**In-app purchases:** none


### SIPSpace

[App page](https://appshunter.io/ios/app/sipspace/id6746951628)

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

**In-app purchases:** none


## Frequently asked questions

### Is FlexOffice Community free?

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

### Is SIPSpace free?

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

### Do FlexOffice Community or SIPSpace have ads?

Neither FlexOffice Community nor SIPSpace shows ads.

### Which is updated more often, FlexOffice Community or SIPSpace?

FlexOffice Community ships an update every 4 months, and SIPSpace every 4 months. Most recently, FlexOffice Community was updated on May 19, 2026 and SIPSpace 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.*