# InterVoIP vs SatAimer

The clearest difference is price: InterVoIP at Free against SatAimer's $2.99. InterVoIP also leads on in-app purchases (none vs 1). SatAimer's advantage is update cadence (every 2 days vs every 6 weeks) and device support (3 vs 1). On ads there is nothing between them.

InterVoIP is free to download; SatAimer costs $2.99 up front. SatAimer sells 1 one-off in-app purchase. InterVoIP asks for nothing beyond the download.

InterVoIP ships an update every 6 weeks, SatAimer every 2 days. The most recent releases landed on September 8, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | InterVoIP | SatAimer |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Size | 109 MB | 90 MB |
| Requires iOS | 16.0 | **14.2** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [ICUK Computing Services Ltd](https://appshunter.io/developer/943220204) | [JAN BIDLO](https://appshunter.io/developer/1875425969) |

## What reviewers say

### InterVoIP

[App page](https://appshunter.io/ios/app/intervoip/id6754845642)

**In-app purchases:** none


### SatAimer

[App page](https://appshunter.io/ios/app/sataimer/id6758869377)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SatAimer Pro Unlock | $0.99 | one-time |


## Frequently asked questions

### Is InterVoIP free?

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

### Is SatAimer free?

SatAimer costs $2.99, and also offers in-app purchases.

### Do InterVoIP or SatAimer have ads?

Neither InterVoIP nor SatAimer shows ads.

### Which is updated more often, InterVoIP or SatAimer?

InterVoIP ships an update every 6 weeks, and SatAimer every 2 days. Most recently, InterVoIP was updated on September 8, 2026 and SatAimer on August 24, 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.*