# FRB FlatrateBooster vs CallEazy

The clearest difference is ads: FRB FlatrateBooster at none against CallEazy's shown. CallEazy's advantage is update cadence (every 3 days vs monthly) and iOS requirement (13.0 vs 15.5). 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.

FRB FlatrateBooster ships an update monthly, CallEazy every 3 days. The most recent releases landed on November 1, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | FRB FlatrateBooster | CallEazy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | — |
| Size | 10 MB | 75 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DALASON GmbH](https://appshunter.io/developer/531312222) | [Createch Agency](https://appshunter.io/developer/1876838122) |

## What reviewers say

### FRB FlatrateBooster

[App page](https://appshunter.io/ios/app/frb-flatratebooster/id531312219)

Make ultra-low-cost international calls and save on calls to German mobile numbers. This app routes calls via landline or freephone numbers, offering up to 99% savings. It provides cost control, uses your existing contacts, and ensures superb voice quality without internet calls.

**Highlights:** Ultra low-priced international calls, Savings on German mobile numbers, Routes calls via landline/freephone, Up to 99% savings, 1 EUR free credit for trial, No monthly fees or subscriptions, Superb voice quality

**Features:** macOS Compatibility

**In-app purchases:** none


### CallEazy

[App page](https://appshunter.io/ios/app/calleazy/id6759095587)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FRB FlatrateBooster free?

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

### Is CallEazy free?

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

### Do FRB FlatrateBooster or CallEazy have ads?

CallEazy shows ads; FRB FlatrateBooster does not.

### Which is updated more often, FRB FlatrateBooster or CallEazy?

FRB FlatrateBooster ships an update monthly, and CallEazy every 3 days. Most recently, FRB FlatrateBooster was updated on November 1, 2026 and CallEazy on November 9, 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.*