# CALC 1 Programmable Calculator vs CY Fuel

The clearest difference is price: CY Fuel at Free against CALC 1 Programmable Calculator's $9.99. CY Fuel also leads on update cadence (every 9 days vs every 5 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

CY Fuel is free to download; CALC 1 Programmable Calculator costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CALC 1 Programmable Calculator ships an update every 5 weeks, CY Fuel every 9 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CALC 1 Programmable Calculator | CY Fuel |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/calc-1-programmable-calculator/id1455298951/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Paid | — |
| Size | 8 MB | 8 MB |
| Requires iOS | **16.1** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CalcFxC, LLC](https://appshunter.io/developer/395979596) | [David Kababyan](https://appshunter.io/developer/1051403068) |

## What reviewers say

### CALC 1 Programmable Calculator

[App page](https://appshunter.io/ios/app/calc-1-programmable-calculator/id1455298951)

Create custom calculators with AI-generated JavaScript functions for precise calculations and data visualization. Assign programs to keys and manage data efficiently. Offers multiple calculation modes and extensive documentation.

**Highlights:** AI-assisted JavaScript function creation, Customizable function calculators, Data visualization and plotting, Programmable calculator keys, List and data management, Multiple calculation modes (algebraic, RPN)

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

**In-app purchases:** none


### CY Fuel

[App page](https://appshunter.io/ios/app/cy-fuel/id1627731629)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CALC 1 Programmable Calculator free?

CALC 1 Programmable Calculator costs $9.99, with no in-app purchases.

### Is CY Fuel free?

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

### Do CALC 1 Programmable Calculator or CY Fuel have ads?

Neither CALC 1 Programmable Calculator nor CY Fuel shows ads.

### Which is updated more often, CALC 1 Programmable Calculator or CY Fuel?

CALC 1 Programmable Calculator ships an update every 5 weeks, and CY Fuel every 9 days. Most recently, CALC 1 Programmable Calculator was updated on November 2, 2026 and CY Fuel on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*