# FRB FlatrateBooster vs Noah Call

The clearest difference is review sentiment: Noah Call at 100% against FRB FlatrateBooster's 0%. FRB FlatrateBooster's advantage is update cadence (monthly vs every 4 months). On price, ads, in-app purchases and monetization model 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, Noah Call every 4 months. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | FRB FlatrateBooster | Noah Call |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/noah-call/id6756455277/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | Free |
| Size | 10 MB | 74 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DALASON GmbH](https://appshunter.io/developer/531312222) | [Harerta Limited](https://appshunter.io/developer/1444560262) |

## 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


### Noah Call

[App page](https://appshunter.io/ios/app/noah-call/id6756455277)

Make affordable international calls to any mobile or landline number worldwide. Enjoy clear, stable connections without requiring the recipient to have a smartphone or internet access. Save significantly on traditional carrier costs.

**Highlights:** Affordable international calls, No internet needed for receivers, Crystal clear audio quality, Global reach with regional plans, Contact list integration, Transparent pricing

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

**In-app purchases:** none


## Frequently asked questions

### Is FRB FlatrateBooster free?

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

### Is Noah Call free?

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

### Do FRB FlatrateBooster or Noah Call have ads?

Neither FRB FlatrateBooster nor Noah Call shows ads.

### Which is updated more often, FRB FlatrateBooster or Noah Call?

FRB FlatrateBooster ships an update monthly, and Noah Call every 4 months. Most recently, FRB FlatrateBooster was updated on October 7, 2026 and Noah Call on October 11, 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.*