# Calculator· vs PEC Utility Management

The clearest difference is review sentiment: Calculator· at 84% against PEC Utility Management's 0%. Calculator· also leads on rating (4.9 vs 4.0) and ratings volume (34K vs 1). PEC Utility Management's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price and iOS requirement there is nothing between them.

Both are free to download. Calculator· sells 3 in-app purchases, starting at $0.99 per month. PEC Utility Management asks for nothing beyond the download.

Calculator· holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Calculator· has 34K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 84% of Calculator·'s written reviews are positive against 0% of PEC Utility Management's.

Calculator· ships an update every 3 months, PEC Utility Management every 5 weeks. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Calculator· | PEC Utility Management |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (34K ratings)](https://appshunter.io/ios/app/calculator/id554836784/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/pec-utility-management/id1563008089/reviews) |
| Number of ratings | **34K** | 1 |
| Positive reviews | **84.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 47 MB | 53 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tim O's Studios, LLC](https://appshunter.io/developer/412839685) | [SPAZA DOT TECH (PTY) LTD](https://appshunter.io/developer/549105977) |

## What reviewers say

### Calculator·

[App page](https://appshunter.io/ios/app/calculator/id554836784)

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

**Highlights:** Basic arithmetic operations, Percentage calculations, Multiple color schemes, Copy results, Square, square root, inverse functions, iPad Split View support, Apple Watch support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade App | $0.99 | per month |
| Upgrade App | $4.99 | per year |
| Upgrade App | $1.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Quick and responsive
- 💡 Percentage function works well
- 👍 Large, clear buttons
- 👍 Straightforward, no-frills design

**What reviewers complain about**

- 🔋 Frequent ads can be distracting
- 🐛 Occasional crashes or freezes
- 🔒 Lack of customization options
- 💡 No backspace/undo function
- 💡 Missing advanced features like memory

**Reported bugs**

- Crashes when performing long calculations
- Freezes when opening the app
- Incorrect results for some complex calculations

**Requested features**

- Add a backspace/undo button
- Implement a history/memory feature
- Provide more customization options
- Reduce frequency of ads


### PEC Utility Management

[App page](https://appshunter.io/ios/app/pec-utility-management/id1563008089)

This app provides real-time management of utility equipment, tariffs, and consumption for accurate billing and reporting. It helps customers with daily energy management through a customized smart metering application and offers maintenance services.

**Highlights:** Real-time utility management, Consumption and behavior analysis, Billing and reporting, Smart metering application, Maintenance reports, Energy efficiency certifications

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator· free?

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

### Is PEC Utility Management free?

PEC Utility Management is free to download, with no in-app purchases.

### Which has better reviews, Calculator· or PEC Utility Management?

Calculator· is rated higher. Calculator· averages 4.9 out of 5 from 34K ratings, while PEC Utility Management averages 4.0 from 1 ratings.

### Do Calculator· or PEC Utility Management have ads?

Calculator· shows ads; PEC Utility Management does not.

### Which is updated more often, Calculator· or PEC Utility Management?

Calculator· ships an update every 3 months, and PEC Utility Management every 5 weeks. Most recently, Calculator· was updated on October 18, 2026 and PEC Utility Management on October 13, 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.*