CALC 1 Programmable Calculator vs RCL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CALC 1 Programmable Calculator
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.
- AI-assisted JavaScript function creation
- Customizable function calculators
- Data visualization and plotting
- Programmable calculator keys
- List and data management
- Multiple calculation modes (algebraic, RPN)
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Customize your calculators for quick and accurate calculations with CALC 1 - the ultimate programmable calculator for your iPhone or iPad. * Harness the power of AI: Ask your favorite AI tool to create JavaScript functions for you * Effortlessly create Function Calculators: Simply copy the AI-generated function code to your clipboard and tap the add button in the "Function Calculators" list - CALC 1 will automatically create a new Function Calculator (Always test the Function Calculator to verify the function is as you intended) * Execute functions with ease: Key in the parameter values to run the function and get instant results * Perform breakeven analysis: Function Calculators can solve for any non-integer parameter * Visualize data effortlessly: Create plots as a function of any parameter by entering the min and max values * Assign programs to individual calculator keys for personalized functionality * Create custom calculators by copying and pasting keys from pre-built calculators * Automatically generate keys from entered expressions for effortless reuse * CALC 1 has over 100 built-in functions that you can use from your JavaScript code * Manage lists and data with the List Manager and Data Manager for quick and accurate importing * Choose between algebraic, chain, or RPN calculation modes with an automatic stack * Access the CALC 1 documentation site with over 100 pages of searchable content and video tutorials, easily accessible through help links (?) within the app Whether you're a student, professional, or simply someone who appreciates the power of customization and AI-assisted productivity, CALC 1 offers a consistent and efficient solution to a wide range of problems. Upgrade your calculation experience with CALC 1 today!
RCL
This app faithfully recreates the TI-57 programmable calculator, offering its full scientific functions and programming capabilities. It includes a user manual, sample programs, and features like turbo speed and alphanumeric display.
- TI-57 recreation
- Scientific functions
- Programming capabilities
- User manual included
- Sample programs
- Turbo speed option
- Alphanumeric display option
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RCL-57 is a complete and faithful recreation of the TI-57, one of the first programmable calculators. RCL-57 implements all the scientific functions and programming capabilities of the TI-57. In addition, it includes: * A complete user manual * Sample programs including Lunar Lander * Optional turbo speed and alphanumeric display * Listings of steps, registers and log * Saving and loading of programs * Sharing and importing of programs
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Verdict
The clearest difference is price: RCL at Free against CALC 1 Programmable Calculator's $9.99. CALC 1 Programmable Calculator's advantage is update cadence (every 5 weeks vs every 14 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
RCL 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, RCL every 14 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | CALC 1 Programmable Calculator | RCL |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.6 (10 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 10 — better | — |
| Update frequency | Every 5 weeks — better | Every 14 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.1 | 15.1 — better |
| Further details — not scored | ||
| Size | 8 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | CalcFxC, LLC | Paul Novaes |
Customer experience
CALC 1 Programmable Calculator
RCL
In-app purchases
CALC 1 Programmable Calculator
No in-app purchases
RCL
No in-app purchases
Questions
Is CALC 1 Programmable Calculator free?
Is RCL free?
Do CALC 1 Programmable Calculator or RCL have ads?
Which is updated more often, CALC 1 Programmable Calculator or RCL?
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