# Hydraulic ToolKit vs Statlio

The clearest difference is in-app purchases: Hydraulic ToolKit at none against Statlio's 1. Hydraulic ToolKit also leads on update cadence (monthly vs every 3 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Statlio sells 1 one-off in-app purchase. Hydraulic ToolKit asks for nothing beyond the download.

Hydraulic ToolKit ships an update monthly, Statlio every 3 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Hydraulic ToolKit | Statlio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hydraulic-toolkit/id6468667309/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | — |
| Size | 23 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wade Trim Group, Inc.](https://appshunter.io/developer/1664648819) | [Mehmet Sabri Sepik](https://appshunter.io/developer/1885676496) |

## What reviewers say

### Hydraulic ToolKit

[App page](https://appshunter.io/ios/app/hydraulic-toolkit/id6468667309)

Perform essential hydraulic calculations for water infrastructure design on the go. This portable tool offers quick checks for engineers and students, covering common formulas for pipes, channels, and more.

**Highlights:** Perform 7 hydraulic formulas, Supports imperial and metric systems, Quick calculation checks, Portable tool for field use, Reference hydraulic coefficients

**In-app purchases:** none


### Statlio

[App page](https://appshunter.io/ios/app/statlio-statistics-calculator/id6786869675)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Statlio Premium (Lifetime) | $4.99 | one-time |


## Frequently asked questions

### Is Hydraulic ToolKit free?

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

### Is Statlio free?

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

### Do Hydraulic ToolKit or Statlio have ads?

Neither Hydraulic ToolKit nor Statlio shows ads.

### Which is updated more often, Hydraulic ToolKit or Statlio?

Hydraulic ToolKit ships an update monthly, and Statlio every 3 months. Most recently, Hydraulic ToolKit was updated on October 24, 2026 and Statlio 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.*