# FlightDose vs Factoro 2FA

The clearest difference is in-app purchases: Factoro 2FA at none against FlightDose's 1. Factoro 2FA also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. FlightDose sells 1 one-off in-app purchase. Factoro 2FA asks for nothing beyond the download.

FlightDose ships an update every 4 days, Factoro 2FA every 3 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FlightDose | Factoro 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/flightdose/id6759472369/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 14 MB | 2 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Apex Technology Group, Inc](https://appshunter.io/developer/1878815891) | [Juan Carlos Herrera](https://appshunter.io/developer/502724481) |

## What reviewers say

### FlightDose

[App page](https://appshunter.io/ios/app/flightdose/id6759472369)

Estimates cosmic radiation exposure during flights using scientific aviation modeling. It calculates dose based on route, altitude, latitude, and solar conditions, presenting clear, data-driven insights into an invisible environmental factor.

**Highlights:** Estimates in-flight radiation dose, CARI-7 based modeling concepts, Accounts for altitude and position, Considers Earth's magnetic field, Supports route and flight estimation, Clear results presentation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remve Ads | $2.99 | one-time |


### Factoro 2FA

[App page](https://appshunter.io/ios/app/factoro-2fa/id6777170139)

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

**In-app purchases:** none


## Frequently asked questions

### Is FlightDose free?

FlightDose is free to download, with in-app purchases available.

### Is Factoro 2FA free?

Factoro 2FA is free to download, with no in-app purchases.

### Do FlightDose or Factoro 2FA have ads?

FlightDose shows ads; Factoro 2FA does not.

### Which is updated more often, FlightDose or Factoro 2FA?

FlightDose ships an update every 4 days, and Factoro 2FA every 3 days. Most recently, FlightDose was updated on October 28, 2026 and Factoro 2FA on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*