# Tandem by BlindShell vs UM3

The clearest difference is update cadence: UM3 at every 10 days against Tandem by BlindShell's every 2 months. Tandem by BlindShell's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, 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.

Tandem by BlindShell ships an update every 2 months, UM3 every 10 days. The most recent releases landed on October 27, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Tandem by BlindShell | UM3 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 56 MB | 49 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Matapo a.s.](https://appshunter.io/developer/1776833719) | [Kong Thought Limited](https://appshunter.io/developer/1872389265) |

## What reviewers say

### Tandem by BlindShell

[App page](https://appshunter.io/ios/app/tandem-by-blindshell/id6737513534)

Connect with loved ones through text, voice, and video calls. Offers remote control functionality for assistance with a specific phone model, ensuring easy communication and support.

**Highlights:** Text messaging, Voice messages, Free calls, Video calls, Remote phone control

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

**In-app purchases:** none


### UM3

[App page](https://appshunter.io/ios/app/um3-chat-and-learn-languages/id6758341833)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tandem by BlindShell free?

Tandem by BlindShell is free to download, with no in-app purchases.

### Is UM3 free?

UM3 is free to download, with no in-app purchases.

### Do Tandem by BlindShell or UM3 have ads?

Neither Tandem by BlindShell nor UM3 shows ads.

### Which is updated more often, Tandem by BlindShell or UM3?

Tandem by BlindShell ships an update every 2 months, and UM3 every 10 days. Most recently, Tandem by BlindShell was updated on October 27, 2026 and UM3 on October 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.*