# Slinger vs IENVENT

The clearest difference is update cadence: IENVENT at every 4 days against Slinger's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Slinger ships an update every 2 weeks, IENVENT every 4 days. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Slinger | IENVENT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 24 MB | 91 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Slinger B.V.](https://appshunter.io/developer/1477634872) | [APP-IT.BE](https://appshunter.io/developer/1561954809) |

## What reviewers say

### Slinger

[App page](https://appshunter.io/ios/app/slinger/id1477634873)

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

**In-app purchases:** none


### IENVENT

[App page](https://appshunter.io/ios/app/ienvent/id6753266678)

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

**In-app purchases:** none


## Frequently asked questions

### Is Slinger free?

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

### Is IENVENT free?

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

### Do Slinger or IENVENT have ads?

Neither Slinger nor IENVENT shows ads.

### Which is updated more often, Slinger or IENVENT?

Slinger ships an update every 2 weeks, and IENVENT every 4 days. Most recently, Slinger was updated on October 3, 2026 and IENVENT on October 9, 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.*