Comparison

Visual Periodic Table Chemie vs FocusGrid

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

Head to head
About

Visual Periodic Table Chemie

Access detailed information on all elements, including properties, molecular formulas, and crystal structures. Features a comprehensive periodic table and chemical reaction calculators to aid in studies and work.

Highlights
  • Element properties lookup
  • Molecular formula information
  • Crystal structure visualization
  • Periodic table display
  • Chemical reaction calculators
  • Advanced models (with purchase)
Features
Read full description

This app allows you to quickly access information on all elements, including atomic number, atomic weight, boiling point, density, and more. You can also use it to find information on element molecular formulas, crystal structures, and electron energy levels. In addition, the app provides a detailed periodic table of elements to help you better understand the characteristics and relationships of the elements. It also offers various chemical reaction calculators to make your studies and work more efficient. Overall, the Chemical Element Lookup app for Apple devices is a very useful tool for both chemistry enthusiasts and professionals. Download and start using it now! Feedback email: proxima.centauri0@gmail.com Basic features are free, including information on all 118 elements, property comparisons and everyday chemistry tools. The optional Advanced Exploration pack is a one-time in-app purchase that permanently unlocks advanced models, the complete molecule library and organic structure topics. No subscription or automatic renewal.

About

FocusGrid

This minimalist brain training game helps improve attention, speed, and concentration by tapping numbers in ascending order as quickly as possible. It features a daily goal system, streak tracking, and performance monitoring to help users see measurable improvement over time.

Highlights
  • Improve attention and concentration
  • Tap numbers in order quickly
  • Daily goal system
  • Track streaks and performance
  • Multiple grid sizes
  • Distraction-free design
Features
Read full description

FocusGrid – Train Your Attention Daily FocusGrid is a minimalist brain training game designed to improve your attention, speed, and concentration. Tap numbers in order as fast as possible. Lower time = better focus. Why FocusGrid? • Simple and distraction-free design • Daily goal system (3 sessions per day) • Track streaks and performance • See measurable improvement over time • Unlock Pro for advanced statistics How It Works 1. Choose your grid size (4×4, 5×5, 6×6) 2. Tap numbers from 1 to N in order 3. Improve your time 4. Train daily and build your streak Who Is It For? • Students improving concentration • Professionals sharpening mental focus • Anyone who wants a quick daily brain workout Pro Version (One-Time Purchase) Unlock: • 6×6 advanced grid • Extended trend analysis • Future Pro features No subscriptions. One purchase. Lifetime access. Train your focus in just a few minutes per day.

Screenshots

Visual Periodic Table Chemie4 screens
FocusGrid4 screens

Verdict

The call

The clearest difference is price: Visual Periodic Table Chemie at Free against FocusGrid's $2.99. Visual Periodic Table Chemie also leads on update cadence (every 2 weeks vs every 3 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

CostPrice · In-app purchases · Ads · Monetization

Visual Periodic Table Chemie is free to download; FocusGrid costs $2.99 up front. Visual Periodic Table Chemie sells 4 one-off in-app purchases and FocusGrid sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Visual Periodic Table Chemie ships an update every 2 weeks, FocusGrid every 3 months. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 7 level
Visual Periodic Table Chemie versus FocusGrid: the parameters behind the verdict, then further details
ParameterVisual Periodic Table ChemieFocusGrid
PriceFree — better$2.99
Rating4.5 (2 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better—
Update frequencyEvery 2 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.6
Further details — not scored
Size336 MB7 MB
Age rating4+4+
Developer博 彭华芳 张

Customer experience

Visual Periodic Table Chemie

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

FocusGrid

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Visual Periodic Table Chemie

One-time4
  • A Little Encouragement$1.99
  • Advanced Exploration$4.99
  • Support Continued Development$4.99
Show 1 more
  • A Big Thank-You$9.99
1 purchases

FocusGrid

One-time1
  • FocusGrid Pro$2.99

Questions

Is Visual Periodic Table Chemie free?
Visual Periodic Table Chemie is free to download, with in-app purchases available.
Is FocusGrid free?
FocusGrid costs $2.99, and also offers in-app purchases.
Do Visual Periodic Table Chemie or FocusGrid have ads?
Neither Visual Periodic Table Chemie nor FocusGrid shows ads.
Which is updated more often, Visual Periodic Table Chemie or FocusGrid?
Visual Periodic Table Chemie ships an update every 2 weeks, and FocusGrid every 3 months. Most recently, Visual Periodic Table Chemie was updated on November 11, 2026 and FocusGrid on November 9, 2026.

Other comparisons