# Kak vs Digit Whisper

The clearest difference is iOS requirement: Kak at 13.0 against Digit Whisper's 18.0. On price, update cadence, 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.

Kak ships an update every 3 days, Digit Whisper every 2 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Kak | Digit Whisper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/digit-whisper/id6759448428/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 86 MB | 5 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [INVALCRE (PRIVATE) LIMITED](https://appshunter.io/developer/1711085137) | [Farkhod Yuldashev](https://appshunter.io/developer/1100803603) |

## What reviewers say

### Kak

[App page](https://appshunter.io/ios/app/kak-learn-russian-language/id6443656825)

**Features:** macOS Compatibility

**In-app purchases:** none


### Digit Whisper

[App page](https://appshunter.io/ios/app/digit-whisper/id6759448428)

Master number recognition in multiple languages through engaging, bite-sized gameplay. See a number word and tap the correct digits on a custom keypad. Track your progress and build streaks in a distraction-free environment.

**Highlights:** Multilingual number recognition, Custom number pad input, Progressive difficulty levels, Streak and accuracy tracking, Distraction-free interface, Offline play

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kak free?

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

### Is Digit Whisper free?

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

### Do Kak or Digit Whisper have ads?

Neither Kak nor Digit Whisper shows ads.

### Which is updated more often, Kak or Digit Whisper?

Kak ships an update every 3 days, and Digit Whisper every 2 days. Most recently, Kak was updated on October 27, 2026 and Digit Whisper on October 31, 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.*