# Extraordinary Calculator vs LENGCEOI

The clearest difference is price: LENGCEOI at Free against Extraordinary Calculator's $99.99. Extraordinary Calculator's advantage is iOS requirement (11.0 vs 17.0). On rating, ratings volume, update cadence and ads there is nothing between them.

LENGCEOI is free to download; Extraordinary Calculator costs $99.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Extraordinary Calculator against 5.0 for LENGCEOI. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Extraordinary Calculator ships an update every 3 weeks, LENGCEOI every 4 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Extraordinary Calculator | LENGCEOI |
| --- | --- | --- |
| Price | $99.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/extraordinary-calculator/id6444765223/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/lengceoi/id6759778715/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Paid | **Free** |
| Size | 48 MB | 58 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [奇锴 舒](https://appshunter.io/developer/1602906153) | [Guangzhou Lingqu Electronic Science & Technology Co., Ltd.](https://appshunter.io/developer/1858443414) |

## What reviewers say

### Extraordinary Calculator

[App page](https://appshunter.io/ios/app/extraordinary-calculator/id6444765223)

A powerful and intuitive calculator designed for speed and ease of use. Perform continuous addition, subtraction, multiplication, and division with a clean interface. Offers a convenient and efficient calculation experience.

**Highlights:** Continuous addition, Continuous subtraction, Continuous multiplication, Continuous division, Clean interface, Fast performance

**Features:** macOS Compatibility

**In-app purchases:** none


### LENGCEOI

[App page](https://appshunter.io/ios/app/lengceoi/id6759778715)

Transform your traditional air conditioner into a smart device. Control, automate, and monitor your AC remotely, set schedules, and track energy usage for increased comfort and efficiency.

**Highlights:** Remote AC control, Customizable automation scenes, Energy consumption tracking, Wi-Fi setup with ESP32 modules, Scheduled operations, Secure device connectivity

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

**In-app purchases:** none


## Frequently asked questions

### Is Extraordinary Calculator free?

Extraordinary Calculator costs $99.99, with no in-app purchases.

### Is LENGCEOI free?

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

### Which has better reviews, Extraordinary Calculator or LENGCEOI?

Extraordinary Calculator and LENGCEOI are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Extraordinary Calculator or LENGCEOI have ads?

Neither Extraordinary Calculator nor LENGCEOI shows ads.

### Which is updated more often, Extraordinary Calculator or LENGCEOI?

Extraordinary Calculator ships an update every 3 weeks, and LENGCEOI every 4 weeks. Most recently, Extraordinary Calculator was updated on November 3, 2026 and LENGCEOI on October 31, 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.*