Comparison

Tab vs HPLC Advisor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Tab

Effortlessly split bills with friends by simply snapping a picture of your receipt. The app automatically identifies items and prices, allowing users to claim their share. It handles tax and tip calculations proportionally, eliminating manual math.

Highlights
  • Receipt scanning
  • Automatic item and price detection
  • Real-time item claiming
  • Proportional tax and tip calculation
  • Shared item splitting
  • Birthday bill splitting
Features
Read full description

Tab is the simple way to split a bill amongst friends. Snap a pic of the receipt and tap your items to claim them. Tax and tip are calculated for you. No more back-of-the-napkin algebra or typing in prices by hand! Here’s how it works: - Take a picture of your itemized receipt. Tab automatically detects all the items and prices. - Select which items each person ordered. Everyone that has Tab on their phone can join onto the bill and select their own items - the app keeps everything synced in real-time. - Multiple people can select the same item if they shared it. - Tax and tip are automatically divided proportionally. - If it's someone's birthday, you can split their total evenly among everyone else. - View and share detailed summaries of your past bills Tab has been featured on the Today show, "apps of the year" lists from Buzzfeed, Complex and others, Product Hunt, CNN, and more!

About

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.

Highlights
  • HPLC troubleshooting guides
  • Method translation calculator
  • Chromatographic performance calculator
  • LC-related data library
  • Offline functionality
  • Universal instrument compatibility
Features
Read full description

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

Tab4 screens
HPLC Advisor4 screens

Verdict

The call

The clearest difference is ratings volume: Tab at 1.2K against HPLC Advisor's 2. Tab also leads on update cadence (every 3 weeks vs every 2 months) and review sentiment (66% vs 50%). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Tab holds the better App Store score, 4.2 against 4.0. That said, the two scores are not equally well evidenced: Tab has 1.2K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 66% of Tab's written reviews are positive against 50% of HPLC Advisor's.

UpkeepUpdate frequency

Tab ships an update every 3 weeks, HPLC Advisor every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Tab versus HPLC Advisor: the parameters behind the verdict, then further details
ParameterTabHPLC Advisor
PriceFreeFree
Rating4.2 (1.2K ratings) — better4.0 (2 ratings)
Positive reviews66.2% of reviews — better50.0% of reviews
Number of ratings1.2K — better2
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size47 MB24 MB
Age rating4+4+
Developerbring10, LLCAgilent Technologies, Inc

Customer experience

Tab

All ratings1,043 ratings
Positive79.8%
Neutral7.4%
Negative12.8%
Written reviews234 reviews
Positive66.2%
Neutral12.0%
Negative21.8%

HPLC Advisor

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Bugs and requests

Tab

Reported bugs

5 issues
  • Incorrect item pricing and totals
  • Tax calculation issues
  • Venmo authorization problems
  • Inability to edit bill names
  • Crashing on older devices

Requested features

7 requests
  • Ability to manually edit tax and tip
  • Option to split items unevenly
  • Detailed receipt breakdown sharing
  • Support for multiple currencies
  • Saved group/friend profiles
Show 2 more
  • Improved Venmo integration
  • Offline bill saving functionality

HPLC Advisor

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Tab

No in-app purchases

None

HPLC Advisor

No in-app purchases

Questions

Is Tab free?
Tab is free to download, with no in-app purchases.
Is HPLC Advisor free?
HPLC Advisor is free to download, with no in-app purchases.
Which has better reviews, Tab or HPLC Advisor?
Tab is rated higher. Tab averages 4.2 out of 5 from 1.2K ratings, while HPLC Advisor averages 4.0 from 2 ratings.
Do Tab or HPLC Advisor have ads?
Neither Tab nor HPLC Advisor shows ads.
Which is updated more often, Tab or HPLC Advisor?
Tab ships an update every 3 weeks, and HPLC Advisor every 2 months. Most recently, Tab was updated on October 29, 2026 and HPLC Advisor on October 24, 2026.

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