# B2B.Ostrovok for Professionals vs Let's Fly BD

The clearest difference is iOS requirement: Let's Fly BD at 12.0 against B2B.Ostrovok for Professionals's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

B2B.Ostrovok for Professionals ships an update every 10 days, Let's Fly BD every 3 weeks. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | B2B.Ostrovok for Professionals | Let's Fly BD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (20 ratings)](https://appshunter.io/ios/app/b2bostrovok-for-professionals/id1505191040/reviews)** | — |
| Number of ratings | **20** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 160 MB | 55 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Agentika Travel LLC](https://appshunter.io/developer/1505191039) | [JOARDER PARTNERS INC](https://appshunter.io/developer/1707294527) |

## What reviewers say

### B2B.Ostrovok for Professionals

[App page](https://appshunter.io/ios/app/b2bostrovok-for-professionals/id1505191040)

This platform allows travel professionals to book hotels, flights, and rental cars globally. It offers a vast inventory, flexible collaboration models, and dedicated 24/7 support to manage business travel needs efficiently.

**Highlights:** Hotel, air ticket, and car hire booking, Access to over 2.5 million hotels, Book flights from 200 airlines, Flexible collaboration models (net prices or commission), User role management for access control, 24/7 multilingual support, Manual pre-checks of bookings

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

**In-app purchases:** none


### Let's Fly BD

[App page](https://appshunter.io/ios/app/lets-fly-bd/id6746708508)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is B2B.Ostrovok for Professionals free?

B2B.Ostrovok for Professionals is free to download, with no in-app purchases.

### Is Let's Fly BD free?

Let's Fly BD is free to download, with no in-app purchases.

### Do B2B.Ostrovok for Professionals or Let's Fly BD have ads?

Neither B2B.Ostrovok for Professionals nor Let's Fly BD shows ads.

### Which is updated more often, B2B.Ostrovok for Professionals or Let's Fly BD?

B2B.Ostrovok for Professionals ships an update every 10 days, and Let's Fly BD every 3 weeks. Most recently, B2B.Ostrovok for Professionals was updated on October 29, 2026 and Let's Fly BD on October 28, 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.*