# Kryptos vs Vivatax

The clearest difference is in-app purchases: Vivatax at none against Kryptos's 4. Vivatax also leads on update cadence (every 6 days vs fortnightly). Kryptos's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Kryptos sells 4 one-off in-app purchases. Vivatax asks for nothing beyond the download.

Kryptos ships an update fortnightly, Vivatax every 6 days. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Kryptos | Vivatax |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Size | 102 MB | 27 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kryptoskatt AB](https://appshunter.io/developer/1634007538) | [Benoit Frederic Raemy](https://appshunter.io/developer/1702170104) |

## What reviewers say

### Kryptos

[App page](https://appshunter.io/ios/app/kryptos-crypto-tracker/id1634007536)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hobbyist | $49.99 | one-time |
| Starter | $69.99 | one-time |
| Pro | $129.99 | one-time |
| Pro Plus | $249.99 | one-time |


### Vivatax

[App page](https://appshunter.io/ios/app/vivatax-declaration-impots/id6762621395)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kryptos free?

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

### Is Vivatax free?

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

### Do Kryptos or Vivatax have ads?

Neither Kryptos nor Vivatax shows ads.

### Which is updated more often, Kryptos or Vivatax?

Kryptos ships an update fortnightly, and Vivatax every 6 days. Most recently, Kryptos was updated on October 8, 2026 and Vivatax on October 1, 2026.

---

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