# Calculator∫ vs EnerWorth

The clearest difference is update cadence: Calculator∫ at weekly against EnerWorth's every 4 months. Calculator∫ also leads on iOS requirement (4.3 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calculator∫ ships an update weekly, EnerWorth every 4 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Calculator∫ | EnerWorth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (7 ratings)](https://appshunter.io/ios/app/calculator/id635938472/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 83.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Free | — |
| Size | 1 MB | 29 MB |
| Requires iOS | **4.3** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [7th Gear](https://appshunter.io/developer/321178305) | [Shenzhen Skyworth Energy Storage Technology Limited](https://appshunter.io/developer/1722010386) |

## What reviewers say

### Calculator∫

[App page](https://appshunter.io/ios/app/calculator/id635938472)

Perform calculations quickly and accurately with large buttons. Personalize the interface by selecting custom background and text colors. This straightforward utility is designed for intuitive use.

**Highlights:** Large buttons for easy input, Accurate calculations, Customizable background colors, Customizable text colors, Intuitive user interface

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

**In-app purchases:** none


### EnerWorth

[App page](https://appshunter.io/ios/app/enerworth/id6743737406)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator∫ free?

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

### Is EnerWorth free?

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

### Do Calculator∫ or EnerWorth have ads?

Neither Calculator∫ nor EnerWorth shows ads.

### Which is updated more often, Calculator∫ or EnerWorth?

Calculator∫ ships an update weekly, and EnerWorth every 4 months. Most recently, Calculator∫ was updated on November 1, 2026 and EnerWorth 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.*