# FlowMindRu vs Sonar

The clearest difference is update cadence: FlowMindRu at every 2 days against Sonar's monthly. Sonar's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

FlowMindRu ships an update every 2 days, Sonar monthly. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | FlowMindRu | Sonar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Size | 28 MB | 13 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Roman Prokhorov](https://appshunter.io/developer/1852555513) | [Ivan Kudryavtsev](https://appshunter.io/developer/1896682098) |

## What reviewers say

### FlowMindRu

[App page](https://appshunter.io/ios/app/flowmindru/id6761013679)

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

**In-app purchases:** none


### Sonar

[App page](https://appshunter.io/ios/app/sonar/id6769999004)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FlowMindRu free?

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

### Is Sonar free?

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

### Do FlowMindRu or Sonar have ads?

Neither FlowMindRu nor Sonar shows ads.

### Which is updated more often, FlowMindRu or Sonar?

FlowMindRu ships an update every 2 days, and Sonar monthly. Most recently, FlowMindRu was updated on October 3, 2026 and Sonar on October 5, 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.*