# RDFS Mobile vs Flattel

The clearest difference is ads: Flattel at none against RDFS Mobile's shown. Flattel also leads on update cadence (every 2 weeks vs every 23 months). RDFS Mobile's advantage is iOS requirement (12.0 vs 15.0). On price, 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.

RDFS Mobile ships an update every 23 months, Flattel every 2 weeks. The most recent releases landed on September 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | RDFS Mobile | Flattel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 23 months | **Every 2 weeks** |
| Size | 50 MB | 115 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ROYAL DUTY FREE SHOPS, INC.](https://appshunter.io/developer/1498408788) | [MSM Medical Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/1672623082) |

## What reviewers say

### RDFS Mobile

[App page](https://appshunter.io/ios/app/rdfs-mobile/id1498408789)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flattel

[App page](https://appshunter.io/ios/app/flattel/id1672623080)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RDFS Mobile free?

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

### Is Flattel free?

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

### Do RDFS Mobile or Flattel have ads?

RDFS Mobile shows ads; Flattel does not.

### Which is updated more often, RDFS Mobile or Flattel?

RDFS Mobile ships an update every 23 months, and Flattel every 2 weeks. Most recently, RDFS Mobile was updated on September 19, 2026 and Flattel on October 14, 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.*