# Sendbird Calls vs ML Trainer

The clearest difference is price: Sendbird Calls at Free against ML Trainer's $0.99. Sendbird Calls also leads on update cadence (every 3 weeks vs every 55 months) and ratings volume (7 vs 2). On rating, ads, in-app purchases and device support there is nothing between them.

Sendbird Calls is free to download; ML Trainer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Sendbird Calls against 5.0 for ML Trainer. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

Sendbird Calls ships an update every 3 weeks, ML Trainer every 55 months. The most recent releases landed on September 30, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Sendbird Calls | ML Trainer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/sendbird-calls/id1503477603/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/ml-trainer-make-training-data/id1573622903/reviews) |
| Number of ratings | **7** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 55 months |
| Monetization | **Free** | Paid |
| Size | 28 MB | 9 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sendbird, Inc.](https://appshunter.io/developer/1487561649) | [Casey Pollock](https://appshunter.io/developer/991679552) |

## What reviewers say

### Sendbird Calls

[App page](https://appshunter.io/ios/app/sendbird-calls/id1503477603)

This utility app demonstrates the Sendbird Calls SDK, enabling voice and video calls between users. It allows quick login via QR code and configuration of audio/video hardware. Designed for developers to test the SDK's capabilities.

**Highlights:** Voice and video call functionality, QR code login, Audio/video hardware configuration, Incoming call notifications, SDK demonstration

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

**In-app purchases:** none


### ML Trainer

[App page](https://appshunter.io/ios/app/ml-trainer-make-training-data/id1573622903)

Easily create training data for machine learning image classification models. Capture thousands of images with adjustable settings for speed and accuracy, then export them for use with popular development tools.

**Highlights:** Capture images for ML training data, Adjustable scan speed and frame count, Low light enhancement with flashlight, Export images to Photos app, Compatibility with CreateML, TensorFlow, Azure ML, Accuracy aids like crosshairs and guides

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sendbird Calls free?

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

### Is ML Trainer free?

ML Trainer costs $0.99, with no in-app purchases.

### Which has better reviews, Sendbird Calls or ML Trainer?

Sendbird Calls and ML Trainer are both rated 5.0 out of 5 on the App Store, from 7 and 2 ratings respectively.

### Do Sendbird Calls or ML Trainer have ads?

Neither Sendbird Calls nor ML Trainer shows ads.

### Which is updated more often, Sendbird Calls or ML Trainer?

Sendbird Calls ships an update every 3 weeks, and ML Trainer every 55 months. Most recently, Sendbird Calls was updated on September 30, 2026 and ML Trainer on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*