# Diaper Calc vs Vultess

The clearest difference is rating: Vultess at 5.0 against Diaper Calc's 3.0. Vultess also leads on update cadence (monthly vs every 7 months). Diaper Calc's advantage is in-app purchases (none vs 3). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Vultess sells 3 in-app purchases, starting at $0.99 per month. Diaper Calc asks for nothing beyond the download.

Vultess holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Diaper Calc ships an update every 7 months, Vultess monthly. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Diaper Calc | Vultess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/diaper-calc/id1489084828/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vultess/id6475565012/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 18 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Zak](https://appshunter.io/developer/536894801) | [昊 陆](https://appshunter.io/developer/1398172088) |

## What reviewers say

### Diaper Calc

[App page](https://appshunter.io/ios/app/diaper-calc/id1489084828)

This utility helps parents estimate the number of diapers needed for their baby over a specific period. It considers the baby's current weight and projected growth to recommend optimal diaper pack sizes and purchases.

**Highlights:** Computes diaper count and sizes, Recommends ideal packaging, Displays baby growth chart, Supports US and EU diaper sizes, Usable for multiple children, Provides diaper purchase tips, Works offline, Light/Dark mode support

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

**In-app purchases:** none


### Vultess

[App page](https://appshunter.io/ios/app/vultess/id6475565012)

Manage your Vultr servers remotely with this intuitive utility. Perform essential operations like power control, SSH connections, and instance management from your mobile device. Stay informed about server status and configurations with detailed information at your fingertips.

**Highlights:** Server information inquiry, SSH connection, Instant power management, Flexible instance operations, Secure and reliable

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $6.99 | per year |
| Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Diaper Calc free?

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

### Is Vultess free?

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

### Which has better reviews, Diaper Calc or Vultess?

Vultess is rated higher. Diaper Calc averages 3.0 out of 5 from 1 ratings, while Vultess averages 5.0 from 1 ratings.

### Do Diaper Calc or Vultess have ads?

Neither Diaper Calc nor Vultess shows ads.

### Which is updated more often, Diaper Calc or Vultess?

Diaper Calc ships an update every 7 months, and Vultess monthly. Most recently, Diaper Calc was updated on November 7, 2026 and Vultess on November 4, 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.*