# ETir2 vs BimSat

ETir2 and BimSat are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

ETir2 ships an update every 2 weeks, BimSat fortnightly. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | ETir2 | BimSat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 36 MB | 40 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IG3 S.r.l.](https://appshunter.io/developer/1677751183) | [WhyB Srl](https://appshunter.io/developer/1726006001) |

## What reviewers say

### ETir2

[App page](https://appshunter.io/ios/app/etir2/id6454934635)

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

**In-app purchases:** none


### BimSat

[App page](https://appshunter.io/ios/app/bimsat/id6468665641)

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

**In-app purchases:** none


## Frequently asked questions

### Is ETir2 free?

ETir2 is free to download, with no in-app purchases.

### Is BimSat free?

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

### Do ETir2 or BimSat have ads?

Neither ETir2 nor BimSat shows ads.

### Which is updated more often, ETir2 or BimSat?

ETir2 ships an update every 2 weeks, and BimSat fortnightly. Most recently, ETir2 was updated on September 17, 2026 and BimSat 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.*