# e vs Prime Sip Solutions

The clearest difference is device support: Prime Sip Solutions at 3 against e's 1. Prime Sip Solutions also leads on 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.

## The numbers

| Metric | e | Prime Sip Solutions |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 85 MB | 20 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Center for Research in Perspective Technologies - Armenia LLC](https://appshunter.io/developer/1706506047) | [inSitu Mobile Software](https://appshunter.io/developer/1024207604) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-mark-invoice/id6749265246)

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

**In-app purchases:** none


### Prime Sip Solutions

[App page](https://appshunter.io/ios/app/prime-sip-solutions/id6759628152)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is Prime Sip Solutions free?

Prime Sip Solutions is free to download, with no in-app purchases.

### Do e or Prime Sip Solutions have ads?

Neither e nor Prime Sip Solutions shows ads.

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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.*