# Sõnamobi vs CatyFlash

The clearest difference is in-app purchases: Sõnamobi at none against CatyFlash's 1. CatyFlash's advantage is update cadence (daily vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CatyFlash sells 1 one-off in-app purchase. Sõnamobi asks for nothing beyond the download.

Sõnamobi ships an update fortnightly, CatyFlash daily. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sõnamobi | CatyFlash |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 19 MB | 47 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AvatudKaart OU](https://appshunter.io/developer/1604905716) | [OU Catyonic](https://appshunter.io/developer/1863920797) |

## What reviewers say

### Sõnamobi

[App page](https://appshunter.io/ios/app/sonamobi/id6737275426)

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

**In-app purchases:** none


### CatyFlash

[App page](https://appshunter.io/ios/app/catyflash-learn-estonian/id6771355940)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Level B1 + Cloud | $3.99 | one-time |


## Frequently asked questions

### Is Sõnamobi free?

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

### Is CatyFlash free?

CatyFlash is free to download, with in-app purchases available.

### Do Sõnamobi or CatyFlash have ads?

Neither Sõnamobi nor CatyFlash shows ads.

### Which is updated more often, Sõnamobi or CatyFlash?

Sõnamobi ships an update fortnightly, and CatyFlash daily. Most recently, Sõnamobi was updated on October 29, 2026 and CatyFlash on October 25, 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.*