# Dilution Calculator vs PManager(Password management)

The clearest difference is in-app purchases: PManager(Password management) at none against Dilution Calculator's 1. PManager(Password management) also leads on review sentiment (63% vs 40%) and update cadence (every 2 months vs every 6 months). Dilution Calculator's advantage is ads (none vs shown) and iOS requirement (8.1 vs 15.6). On price and device support there is nothing between them.

Both are free to download. Dilution Calculator sells 1 one-off in-app purchase. PManager(Password management) asks for nothing beyond the download.

Dilution Calculator ships an update every 6 months, PManager(Password management) every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Dilution Calculator | PManager(Password management) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/dilution-calculator/id955305524/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 40.0% of reviews | **62.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 18 MB | 16 MB |
| Requires iOS | **8.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Koji Iida](https://appshunter.io/developer/955305523) | [Kouji Higashino](https://appshunter.io/developer/1505193679) |

## What reviewers say

### Dilution Calculator

[App page](https://appshunter.io/ios/app/dilution-calculator/id955305524)

Easily calculate pesticide and fertilizer dilutions with this utility app. It offers basic calculation functions, history management, and unit selection for free. Premium features unlock ad-free use, additional calculation modes, and result management tools.

**Highlights:** Pesticide amount calculation, Fertilizer dilution calculation, Calculation history, Unit selection, Additional calculation modes (Water, Spraying), Favorites management, Utilize calculation results (Copy, Print, Message, Mail)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Upgrade | $0.99 | one-time |


### PManager(Password management)

[App page](https://appshunter.io/ios/app/pmanagerpassword-management/id1505193680)

Securely manage your passwords with AES encryption and a PC-like folder structure. This utility app allows for quick transitions and supports fingerprint/Face ID login. It offers a free experience with advertisements and maintains compatibility with PC software ID Manager.

**Highlights:** AES encrypted password storage, PC-like folder structure, Fingerprint/Face ID login, Dark mode support, Password generation, File reading/writing via browser/USB/iCloud

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

**In-app purchases:** none


## Frequently asked questions

### Is Dilution Calculator free?

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

### Is PManager(Password management) free?

PManager(Password management) is free to download, with no in-app purchases.

### Do Dilution Calculator or PManager(Password management) have ads?

PManager(Password management) shows ads; Dilution Calculator does not.

### Which is updated more often, Dilution Calculator or PManager(Password management)?

Dilution Calculator ships an update every 6 months, and PManager(Password management) every 2 months. Most recently, Dilution Calculator was updated on November 6, 2026 and PManager(Password management) on November 3, 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.*