# Alaap vs Kotha Bolun

The clearest difference is update cadence: Kotha Bolun at every 3 weeks against Alaap's every 2 months. Alaap's advantage is iOS requirement (13.0 vs 26.0). On price, ads, 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.

Alaap ships an update every 2 months, Kotha Bolun every 3 weeks. The most recent releases landed on October 23, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Alaap | Kotha Bolun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (434 ratings)](https://appshunter.io/ios/app/alaap/id1541531041/reviews)** | — |
| Number of ratings | **434** | — |
| Positive reviews | 21.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 211 MB | 96 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Bangladesh Telecommunications Company Limited](https://appshunter.io/developer/1525881187) | [MS. DECIMA LAB](https://appshunter.io/developer/1886642696) |

## What reviewers say

### Alaap

[App page](https://appshunter.io/ios/app/alaap/id1541531041)

This app allows users to make free calls and send messages to other users over Wi-Fi or data. It also offers low-cost calls to non-users, bill payments, group chats, and video streaming.

**Highlights:** Free calls to Alaap users, Low-cost international calls, Bill payment, Group chat, Video streaming, HD audio/video conferencing, Bengali language support

**Features:** macOS Compatibility

**In-app purchases:** none


### Kotha Bolun

[App page](https://appshunter.io/ios/app/kotha-bolun/id6760890389)

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

**In-app purchases:** none


## Frequently asked questions

### Is Alaap free?

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

### Is Kotha Bolun free?

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

### Do Alaap or Kotha Bolun have ads?

Neither Alaap nor Kotha Bolun shows ads.

### Which is updated more often, Alaap or Kotha Bolun?

Alaap ships an update every 2 months, and Kotha Bolun every 3 weeks. Most recently, Alaap was updated on October 23, 2026 and Kotha Bolun on September 30, 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.*