Visual Periodic Table Chemie vs Gatekeeper Manager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Visual Periodic Table Chemie
Access comprehensive data on all chemical elements, including atomic properties and molecular formulas. This tool features a detailed periodic table and reaction calculators to aid in chemistry studies and professional work.
- Element information lookup
- Detailed periodic table
- Molecular formula data
- Crystal structure details
- Electron energy levels
- Chemical reaction calculators
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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
Gatekeeper Manager
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Gate keeper is used to open and close your gate using a missed call from your cell phone. If your number is recognised on the captured schedule, the gate will open when you dial it. the call costs you nothing, nada, niks! Any gate or garage door motor can have a gate-keeper fitted to it. An added bonus is that you can get email alerts of who is opening your gate. Our intuitive internet web based scheduling allows you to configure up to 1000 numbers.
Screenshots
Verdict
The clearest difference is price: Gatekeeper Manager at Free against Visual Periodic Table Chemie's $1.99. Visual Periodic Table Chemie's advantage is update cadence (every 3 weeks vs every 16 months) and iOS requirement (11.0 vs 14.0). On 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
Gatekeeper Manager is free to download; Visual Periodic Table Chemie costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Visual Periodic Table Chemie ships an update every 3 weeks, Gatekeeper Manager every 16 months. The most recent releases landed on October 16, 2026 and September 28, 2026 respectively.
| Parameter | Visual Periodic Table Chemie | Gatekeeper Manager |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks — better | Every 16 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 184 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | 博 彭 | Robby Balona |
In-app purchases
Visual Periodic Table Chemie
No in-app purchases
Gatekeeper Manager
No in-app purchases
Questions
Is Visual Periodic Table Chemie free?
Is Gatekeeper Manager free?
Do Visual Periodic Table Chemie or Gatekeeper Manager have ads?
Which is updated more often, Visual Periodic Table Chemie or Gatekeeper Manager?
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