Comparison

Molarity Abacus vs Pocket Counter Pro

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

Head to head
About

Molarity Abacus

Easily calculate molarity, solution volume, solute mass, or molecular weight by inputting any three variables. Customize units and access pre-configured strong acids and bases. An in-app purchase allows for creating and storing custom compounds.

Highlights
  • Molarity calculation
  • Solute mass calculation
  • Total solution volume calculation
  • Molecular weight calculation
  • Customizable units
  • Pre-configured compounds
  • Create and store custom compounds
Features
Read full description

- Easily calculate Molarity, Total Solution Volume, Solute Mass, or Molecular Weight. - Simply input three of the four variables and the fourth is calculated automatically. - The units can be changed for Total Solution Volume, Solute Mass, or Molecular Weight. - In-App purchase available to create and store compounds for quick access. The Molarity Abacus is a simple and easy way to do molarity calculations. Simply input any three of the four variables and the fourth will be instantly calculated. Includes full help documentation on each screen. The seven strong acids and eight strong bases are pre-configured in the app and can be selected from a list of compounds. With an In-App purchase, you gain even more functionality allowing you to create and store compounds for repeated use. You name the compound, select the elements in it, set the number of atoms for each element, and the molecular weight is calculated automatically. The full periodic table is included and has been loaded with molecular weights and checked against publicly available sources on the internet. The element weights can be edited. This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit (http://www.openssl.org/)

About

Pocket Counter Pro

This app helps you track habits, activities, and scores with customizable icons and detailed logs. Monitor progress with charts and overviews to encourage positive behaviors and growth. Features include unlimited counters, data synchronization, and export options.

Highlights
  • Customizable counting scene icons and tags
  • Detailed activity logging with notes
  • Score assignment for positive reinforcement
  • Habit check-in records and statistics
  • Unlimited counters with membership
  • iCloud sync and data export
Features
Read full description

Pocket Counter Pro is a simple tally counter for everyday counting. Count visitors, stock items, exercise repetitions, completed tasks, and more. Keep your counts together and check the numbers when you need them. TAP TO COUNT Tap to increase or decrease a count. Set a custom increment for different counting tasks, undo changes, or reset a counter when you start again. CUSTOM COUNTERS Choose an icon and color to identify each counter. Set its current value and target to match what you are counting. TAGS AND CATEGORIES Organize counters with tags and quickly filter the ones you need for work, events, or daily use. COUNTING HISTORY AND CHARTS Review past counts and charts to see how totals change over time. Add quantities and notes with activity records when you need more detail. OPTIONAL MEMBERSHIP The app offers in-app purchases. Membership unlocks unlimited counters and additional features, including more chart date ranges and CSV export. SUPPORT Email: yqzhouluyao@gmail.com Terms of Service: https://www.notion.so/Terms-of-Service-70e6be37479c40e1a50ad965d31805e7 Privacy Policy: https://www.notion.so/Privacy-Policy-b709e775dd58485092bf6c9d6dfc073d

Screenshots

Molarity Abacus4 screens
Pocket Counter Pro4 screens

Verdict

The call

The clearest difference is update cadence: Pocket Counter Pro at monthly against Molarity Abacus's every 12 months. Pocket Counter Pro also leads on rating (4.7 vs 4.5). Molarity Abacus's advantage is review sentiment (100% vs 75%) and iOS requirement (8.0 vs 15.0). On price, ratings volume, ads and in-app purchases 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. Molarity Abacus sells 1 one-off in-app purchase and Pocket Counter Pro sells 4 in-app purchases, starting at $1.99 per 3 months. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Pocket Counter Pro holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 15 and 6 respectively. Written reviews complicate that: 100% of Molarity Abacus's written reviews are positive against 75% of Pocket Counter Pro's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Molarity Abacus ships an update every 12 months, Pocket Counter Pro monthly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Molarity Abacus versus Pocket Counter Pro: the parameters behind the verdict, then further details
ParameterMolarity AbacusPocket Counter Pro
PriceFreeFree
Rating4.5 (15 ratings)4.7 (6 ratings) — better
Positive reviews100.0% of reviews — better75.0% of reviews
Number of ratings15 — better6
Update frequencyEvery 12 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPodiPhone, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size2 MB13 MB
Age rating4+4+
DeveloperOak Driven LLCZHENGZHOU CREATION INFORMATION TECHNOLOGY CO., LTD.

Customer experience

Molarity Abacus

All ratings15 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews15 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Pocket Counter Pro

All ratings6 ratings
Positive83.3%
Neutral16.7%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

1 purchases

Molarity Abacus

One-time1
  • Create and Save CompoundsFree
4 purchases

Pocket Counter Pro

Subscriptions2
  • Quarterly3 Days trial$1.993 Months
  • Annual$4.991 Year
One-time2
  • Lifetime Offer$5.99
  • Lifetime$9.99

Questions

Is Molarity Abacus free?
Molarity Abacus is free to download, with in-app purchases available.
Is Pocket Counter Pro free?
Pocket Counter Pro is free to download, with in-app purchases available.
Which has better reviews, Molarity Abacus or Pocket Counter Pro?
Pocket Counter Pro is rated higher. Molarity Abacus averages 4.5 out of 5 from 15 ratings, while Pocket Counter Pro averages 4.7 from 6 ratings.
Do Molarity Abacus or Pocket Counter Pro have ads?
Neither Molarity Abacus nor Pocket Counter Pro shows ads.
Which is updated more often, Molarity Abacus or Pocket Counter Pro?
Molarity Abacus ships an update every 12 months, and Pocket Counter Pro monthly. Most recently, Molarity Abacus was updated on November 1, 2026 and Pocket Counter Pro on October 30, 2026.

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