# pHyter vs CaIculator

The clearest difference is in-app purchases: pHyter at none against CaIculator's 1. pHyter also leads on ads (none vs shown) and iOS requirement (10.0 vs 12.0). CaIculator's advantage is ratings volume (22 vs 2). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. CaIculator sells 1 one-off in-app purchase. pHyter asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for pHyter against 4.9 for CaIculator. That said, the two scores are not equally well evidenced: CaIculator has 22 ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | pHyter | CaIculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/phyter/id1447278006/reviews)** | [4.9 (22 ratings)](https://appshunter.io/ios/app/caiculator/id6447991457/reviews) |
| Number of ratings | 2 | **22** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 38 MB | 61 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [James Beck](https://appshunter.io/developer/1483869106) | [Edison Largo](https://appshunter.io/developer/978541799) |

## What reviewers say

### pHyter

[App page](https://appshunter.io/ios/app/phyter/id1447278006)

This utility app connects to a handheld pH instrument, allowing users to view and manage their readings. It facilitates data logging and analysis for various applications.

**Highlights:** Connects to pH instrument, View pH readings, Manage data logs, Data analysis tools, iOS compatible

**Features:** macOS Compatibility

**In-app purchases:** none


### CaIculator

[App page](https://appshunter.io/ios/app/caiculator/id6447991457)

A simple and intuitive calculator app designed for ease of use. It offers features like a backspace key, decimal point/comma support, calculation history, and customizable themes. Regular updates ensure continuous improvement.

**Highlights:** Intuitive interface with large buttons, Backspace key for corrections, Decimal point or comma support, Calculation history display, Two customizable themes, Regular updates with new features

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is pHyter free?

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

### Is CaIculator free?

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

### Which has better reviews, pHyter or CaIculator?

pHyter is rated higher. pHyter averages 5.0 out of 5 from 2 ratings, while CaIculator averages 4.9 from 22 ratings.

### Do pHyter or CaIculator have ads?

CaIculator shows ads; pHyter does not.

### Which is updated more often, pHyter or CaIculator?

pHyter ships an update every 5 months, and CaIculator every 5 months. Most recently, pHyter was updated on October 10, 2026 and CaIculator on October 7, 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.*