Calculator # vs HPLC Advisor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator #
This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.
- Math Photos Solver
- Handwriting Recognition
- AI Math Problem Solver
- Mathematical Display
- Equation Solvers
- 2D Graphing
- Algebraic Functions
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◉ Over 11,000,000 Downloads Worldwide ◉ Top Free Utilities Apps in US, UK, AUS, CAN, GER,... ◉ Rated & Reviewed on ILoveFreeSoftware.com FREE Alternative to Graphing TI-83, TI-84, TI-89, Casio FX, Sharp EL,... Calculator # – The free, multi-function calculator for iPhone/iPad is proud to offer a variety of features to satisfy wide ranges of customers: The App possesses a powerful math core and algebra engine with mathematical display support, making it a viable tool for everyone from those looking for basic calculation to more advanced users, such as scientific computation, engineers, and math students. Calculator # makes available everything you need – including a user manual and tutorial video clips – so you can master the app in a matter of minutes! ◉ Official Website: http://iPhoneCalculator.com ◉ ADVANCED FEATURES: ▸ Math Photos Solver * ▸ Handwriting Recognition * ▸ Math Problem Solver (AI) * ◉ GENERAL FEATURES: ▸ Universal Calculator App ▸ Support All the Latest Devices ¹ ▸ Support Multitasking (iPad) ▸ Support Wireless KB ² ▸ Mathematical Display ▸ Edit & Export Expression/Result ▸ History Tape View ▸ Basic Calculations (+, -, x, ÷, %, Abs,...) ▸ Advanced Functions (Sin,Cos,Ln,X!, ^, √,…) ▸ 14 Memory Variables (Including X,Y,Z,M) ▸ Assignment Operator ▸ F(x) Customize Functions (F1 Only) ▸ Fraction and Degree/Angle Calculation ▸ Numeric Integral Calculation ▸ Dual Skins (Silver Light & Carbon+) ◉ ALGEBRA FEATURES: ▸ Big Integer & Rational Number (Up to 30!) ▸ Expand and Factor Polynomials ▸ Basic Indefinite integral ◉ EQUATIONS SOLVERS: ▸ Quadratic Equations ▸ System of Linear Equations (2 Unknowns) ◉ 2D GRAPH: ▸ Snap to Points ▸ Smooth Zoom & Transformation ▸ Support F(X,Y) = 0. E.g. Sin(X) + Cos(Y) = 0. ◉ MULTIPLE LANGUAGES: ▸ English, Spanish, German, ▸ French, Japanese, Chinese (*) In-App-Purchase is required ¹: Include iPhone 6/6S+ HD Retina Display ²: Standard English KB We love your feedback, Thanks a lot ! Terms of Service: https://iphonecalculator.com/terms-of-service/
HPLC Advisor
This app provides tools for HPLC troubleshooting, method development, and data management. It offers calculators for method translation and performance prediction, a data library with conversions and formulas, and troubleshooting guides. Works offline for all HPLC instruments.
- HPLC troubleshooting guides
- Method translation calculator
- Chromatographic performance calculator
- LC-related data library
- Offline functionality
- Universal instrument compatibility
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The Agilent InfinityLab HPLC Advisor app offers tools to save you time with HPLC troubleshooting, method development, and more. Once installed, it works also offline—no matter if you are next to or away from the instrument. Moreover, these tools work for all HPLC instruments, regardless of brand and model. Troubleshooting Typical HPLC problems are summarized and organized in groups—so you can quickly define the issue in a couple clicks. For each problem, you can choose to view all potential issues for tips or get guided step-by-step help to troubleshoot your issue. This flexible app offers two ways to help users solve their HPLC problems. Calculators Method translation This calculator helps you translate your legacy methods to new columns and systems. Simply enter the information from your legacy method (column, system, experimental conditions, and gradient) along with the new column and system that you are going to use. Then, the calculator determines the experimental conditions and the gradient of your new translated method. For all fields in these calculators, you can either use default values or values that are specific to your method, column, and system. All results can be saved as a PDF. Chromatographic performance This calculator helps you predict how a chromatographic method will perform. Fill in parameters such as column geometry, system dwell volume, mobile phase, experimental conditions, etc. Then, this app will calculate the expected chromatographic performance (e.g., gradient slope, number of plates, peak capacity, backpressure, optimal flow rate). For all fields in these calculators, you can either use default values or values that are specific to your method, column, and system. All results can be saved as a PDF. Data Library Conversions This section shows you LC-related information, such as the conversion factors between different units, details of selected physical constants, powers of ten, and concentration values. Formulas This section lists LC-related formulas. The search function helps you find formulas easily and quickly. All formulas, as well as all related parameters, are listed and linked to other related formulas if applicable. Learn More This section contains select Agilent webpages for you to get more HPLC-related information.
Screenshots
Verdict
The clearest difference is rating: Calculator # at 4.6 against HPLC Advisor's 4.0. Calculator # also leads on ratings volume (36K vs 2) and review sentiment (71% vs 50%). HPLC Advisor's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, update cadence, device support and iOS requirement 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
Both are free to download. Calculator # sells 6 in-app purchases, starting at $1.49 per month. HPLC Advisor asks for nothing beyond the download.
Calculator # holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Calculator # has 36K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 71% of Calculator #'s written reviews are positive against 50% of HPLC Advisor's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 12, 2026 and November 3, 2026 respectively.
| Parameter | Calculator # | HPLC Advisor |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (36K ratings) — better | 4.0 (2 ratings) |
| Positive reviews | 70.7% of reviews — better | 50.0% of reviews |
| Number of ratings | 36K — better | 2 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.1 | 11.0 — better |
| Further details — not scored | ||
| Size | 57 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Incpt.Mobis | Agilent Technologies, Inc |
Customer experience
Calculator #
HPLC Advisor
Bugs and requests
Calculator #
Reported bugs
3 issues- Crashes when trying to use certain functions
- Handwriting recognition not working reliably
- Inability to input negative numbers
Requested features
3 requests- Add option to turn off animation
- Improve ad placement to avoid obstructing usage
- Provide more transparency on paid features
HPLC Advisor
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator #
- PRO Upgrade 1 Month3 Days trial$1.491 Month
- PRO Upgrade 3 Months7 Days trial$2.993 Months
- PRO + Recognition 1 Month$4.991 Month
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- PRO + Recognition 3 Months$11.993 Months
- 250 AI Recognition & Queries$0.99
- 600 AI Recognition & Queries$1.99
HPLC Advisor
No in-app purchases
Questions
Is Calculator # free?
Is HPLC Advisor free?
Which has better reviews, Calculator # or HPLC Advisor?
Do Calculator # or HPLC Advisor have ads?
Which is updated more often, Calculator # or HPLC Advisor?
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