# Simple Pendulum Calculator vs CountCam

The clearest difference is price: CountCam at Free against Simple Pendulum Calculator's $2.99. CountCam also leads on update cadence (every 3 months vs every 31 months) and ratings volume (5 vs 1). Simple Pendulum Calculator's advantage is rating (5.0 vs 4.2) and iOS requirement (13 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

CountCam is free to download; Simple Pendulum Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Simple Pendulum Calculator holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: CountCam has 5 ratings behind it against 1, so its average is the more settled of the two.

Simple Pendulum Calculator ships an update every 31 months, CountCam every 3 months. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Simple Pendulum Calculator | CountCam |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-pendulum-calculator/id1397285555/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/countcam-ai-object-counter/id6453476379/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 88.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 49 MB |
| Requires iOS | **13** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [闪兔(北京)科技有限公司](https://appshunter.io/developer/1684864385) |

## What reviewers say

### Simple Pendulum Calculator

[App page](https://appshunter.io/ios/app/simple-pendulum-calculator/id1397285555)

This physics calculator quickly computes pendulum period, frequency, maximum height, energy, and speed. It supports various units, offers instant calculations with copyable results, and includes formulas for reference. Designed for privacy and efficiency, it works seamlessly on iOS devices.

**Highlights:** Instant pendulum calculations, Copyable results, Included formulas, Supports various units, High precision (16 decimal places), Ad-free and private

**Features:** macOS Compatibility

**In-app purchases:** none


### CountCam

[App page](https://appshunter.io/ios/app/countcam-ai-object-counter/id6453476379)

Leverage AI to count objects in photos, from industrial materials to everyday items. This tool automates tedious counting tasks, saving significant time and reducing errors. Request custom object recognition for specialized needs.

**Highlights:** AI-powered object counting, Supports thousands of targets per image, Recognizes steel pipes, bars, timber, logs, cloth rolls, Applicable to building materials, industry, agriculture, medicine, Custom object recognition requests, Time-saving automation

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Pendulum Calculator free?

Simple Pendulum Calculator costs $2.99, with no in-app purchases.

### Is CountCam free?

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

### Which has better reviews, Simple Pendulum Calculator or CountCam?

Simple Pendulum Calculator is rated higher. Simple Pendulum Calculator averages 5.0 out of 5 from 1 ratings, while CountCam averages 4.2 from 5 ratings.

### Do Simple Pendulum Calculator or CountCam have ads?

Neither Simple Pendulum Calculator nor CountCam shows ads.

### Which is updated more often, Simple Pendulum Calculator or CountCam?

Simple Pendulum Calculator ships an update every 31 months, and CountCam every 3 months. Most recently, Simple Pendulum Calculator was updated on September 29, 2026 and CountCam on October 10, 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.*