# Phenom Landings vs MachDB

The clearest difference is update cadence: Phenom Landings at weekly against MachDB's every 2 weeks. MachDB's advantage is ratings volume (3 vs 1). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Phenom Landings against 5.0 for MachDB. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Phenom Landings ships an update weekly, MachDB every 2 weeks. The most recent releases landed on July 5, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Phenom Landings | MachDB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/phenom-landings/id6445875423/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/machdb/id6757681004/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 16 MB | 16 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Diogo Rau](https://appshunter.io/developer/430267810) | [MachDB LLC](https://appshunter.io/developer/1868240819) |

## What reviewers say

### Phenom Landings

[App page](https://appshunter.io/ios/app/phenom-landings/id6445875423)

This utility app calculates landing distances for the Phenom 100 aircraft. It allows users to see the immediate impact of changes like higher Vref speeds on performance calculations. Always consult official flight manuals for definitive performance data.

**Highlights:** Landing distance calculation, Phenom 100 specific, Vref speed adjustment, Immediate performance feedback, Cross-check official data

**In-app purchases:** none


### MachDB

[App page](https://appshunter.io/ios/app/machdb/id6757681004)

Easily download and transfer Garmin avionics database updates to an SD card using your iPhone or iPad. This app supports a wide range of Garmin avionics and requires only a standard USB-C SD card reader. Updates are fast and convenient for field use.

**Highlights:** Download Garmin database updates, Transfer updates to SD card, iPhone and iPad compatible, Supports various Garmin avionics, Uses standard USB-C SD card reader, Fast Wi-Fi/Cellular downloads

**In-app purchases:** none


## Frequently asked questions

### Is Phenom Landings free?

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

### Is MachDB free?

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

### Which has better reviews, Phenom Landings or MachDB?

Phenom Landings and MachDB are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Phenom Landings or MachDB have ads?

Neither Phenom Landings nor MachDB shows ads.

### Which is updated more often, Phenom Landings or MachDB?

Phenom Landings ships an update weekly, and MachDB every 2 weeks. Most recently, Phenom Landings was updated on July 5, 2026 and MachDB on September 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.*