# Viatos 4 vs 14 28

The clearest difference is price: Viatos 4 at Free against 14 28's $4.99. 14 28's advantage is update cadence (monthly vs every 3 months) and iOS requirement (13.4 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Viatos 4 is free to download; 14 28 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Viatos 4 ships an update every 3 months, 14 28 monthly. The most recent releases landed on October 28, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Viatos 4 | 14 28 |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Paid |
| Size | 56 MB | 16 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Viatos GmbH](https://appshunter.io/developer/927897066) | [Benjamin Graf](https://appshunter.io/developer/1545255558) |

## What reviewers say

### Viatos 4

[App page](https://appshunter.io/ios/app/viatos-4/id1615759783)

**Features:** macOS Compatibility

**In-app purchases:** none


### 14 28

[App page](https://appshunter.io/ios/app/14-28/id6447632255)

This app helps users track per diem expenses for business trips, calculating daily allowances and deductions for provided meals. It supports both domestic and international travel, allowing for detailed notes and exporting data for tax purposes.

**Highlights:** Track daily per diem expenses, Calculate deductions for provided meals, Support for international per diem rates, Add free notes for each day, Monthly and yearly sum calculations, Export data as PDF or CSV, Offline data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is Viatos 4 free?

Viatos 4 is free to download, with no in-app purchases.

### Is 14 28 free?

14 28 costs $4.99, with no in-app purchases.

### Do Viatos 4 or 14 28 have ads?

Neither Viatos 4 nor 14 28 shows ads.

### Which is updated more often, Viatos 4 or 14 28?

Viatos 4 ships an update every 3 months, and 14 28 monthly. Most recently, Viatos 4 was updated on October 28, 2026 and 14 28 on October 27, 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.*