# Simma Personal vs TGO Checklist (CentrumAir)

Simma Personal and TGO Checklist (CentrumAir) are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | Simma Personal | TGO Checklist (CentrumAir) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 25 MB | 31 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Diamond Solutions](https://appshunter.io/developer/1601168744) | [Mukhriddin Ergashaliev](https://appshunter.io/developer/1826474989) |

## What reviewers say

### Simma Personal

[App page](https://appshunter.io/ios/app/simma-personal/id6754552432)

**Features:** macOS Compatibility

**In-app purchases:** none


### TGO Checklist (CentrumAir)

[App page](https://appshunter.io/ios/app/tgo-checklist-centrumair/id6759719093)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simma Personal free?

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

### Is TGO Checklist (CentrumAir) free?

TGO Checklist (CentrumAir) is free to download, with no in-app purchases.

### Do Simma Personal or TGO Checklist (CentrumAir) have ads?

Neither Simma Personal nor TGO Checklist (CentrumAir) 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.*