Comparison

ZEN browser vs Periodic Table Pocket

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

Head to head
About

ZEN browser

This application allows educators and researchers to navigate and view image databases on iPads. It facilitates collaboration by enabling image sharing, annotation, and Z-stack navigation. Access your research data remotely for presentations and discussions.

Highlights
  • Navigate image databases
  • View Z-stacks
  • Insert annotations
  • Share images with colleagues
  • Access ZEISS demo server
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Use the free ZEN browser app for iPads to navigate and view your ZEN browser image database. Now you access your data wherever work takes you: demonstrate your current research at your institute or even at the next conference. All you need is a wireless network and your iPad. ZEN browser allows you to view your images together with your colleagues, insert annotations, and even navigate Z-stacks in transmitted light and multi-channel fluorescence microscopy. The app also provides access to a ZEISS demo server showcasing impressive sample images acquired with Axio Scan.Z1 digital slide scanner by ZEISS Microscopy. For more information on Axio Scan.Z1, go to http://www.zeiss.com/axioscan Important Note: ZEN browser is for Educational and Research Use Only.

About

Periodic Table Pocket

Features
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**Explore the Fascinating World of the Periodic Table** Periodic Table Pocket is your professional chemistry companion that provides comprehensive and accurate element information for learners and researchers, featuring TTS voice playback and integrated Study & Quiz modes. Whether you're a chemistry beginner or a professional researcher, this pocket-sized app meets your needs. **Core Features** **Interactive Periodic Table** - Standard 18-column × 7-row periodic table layout - Support for 0.3x-3.0x zoom and free dragging - Color-coded by element category for clarity - Horizontal and vertical ruler navigation **Export & Share Features** - One-tap export of complete periodic table HD images - Save to photo album or share to other apps - Perfect for teaching and learning needs **Detailed Element Information** - Complete data for all 118 elements - Basic info: atomic number, symbol, name, atomic weight - Physical properties: melting point, boiling point, density, state - Electronic structure: electron configuration, ionization energy - Discovery information: discoverer, namer, discovery time **Visual Learning** - High-definition Bohr atomic model images - Interactive 3D atomic models (rotatable and scalable) - Real element spectral images - Professional data visualization charts **TTS Voice Playback** - One-tap pronunciation of element names, auto language matching - Play/stop control, optimized slow speech rate - Smart fallback to English when a locale is unavailable **Study & Quiz System** - Study mode: instant feedback, practice by element category - Quiz mode: records score, accuracy and time; three question types (symbol↔name, number→symbol) - History & Stats: total tests, average score, highest score, average accuracy **Multi-Language Support** - Support for 24 languages (see in-app and README) - Automatic system language detection + in-app language switching **Practical Tools** - Favorites: Mark commonly used elements - Search: Quick element location - **Export & Share**: One-tap export of complete periodic table HD images, save to album or share to other apps - **Study & Quiz**: dual modes with selectable question types - **History & Stats**: quiz records with score, accuracy and time - Offline use: No internet connection required **Use Cases** - Middle school chemistry course learning - University chemistry major reference - Chemistry teacher teaching aid - Research work data queries - Chemistry enthusiast knowledge exploration **App Features** - Accurate data: Based on authoritative chemistry databases - Beautiful interface: Modern design style - Smooth operation: Optimized user experience - Rich content: Covers all aspects of elements - Continuous updates: Regular addition of new features Download Periodic Table Pocket and start your chemistry exploration journey!

Screenshots

Periodic Table Pocket4 screens

Verdict

The call

The clearest difference is rating: ZEN browser at 3.0 against Periodic Table Pocket's 1.0. ZEN browser also leads on ads (none vs shown) and iOS requirement (9.0 vs 13.0). Periodic Table Pocket's advantage is update cadence (weekly vs every 26 months) and device support (3 vs 1). On price, ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ZEN browser holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

ZEN browser ships an update every 26 months, Periodic Table Pocket weekly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 4 level
ZEN browser versus Periodic Table Pocket: the parameters behind the verdict, then further details
ParameterZEN browserPeriodic Table Pocket
PriceFreeFree
Rating3.0 (2 ratings) — better1.0 (1 ratings)
Number of ratings2 — better1
Update frequencyEvery 26 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS9.0 — better13.0
Further details — not scored
Size45 MB26 MB
Age rating4+4+
DeveloperCarl Zeiss AG昊 吴

In-app purchases

None

ZEN browser

No in-app purchases

None

Periodic Table Pocket

No in-app purchases

Questions

Is ZEN browser free?
ZEN browser is free to download, with no in-app purchases.
Is Periodic Table Pocket free?
Periodic Table Pocket is free to download, with no in-app purchases.
Which has better reviews, ZEN browser or Periodic Table Pocket?
ZEN browser is rated higher. ZEN browser averages 3.0 out of 5 from 2 ratings, while Periodic Table Pocket averages 1.0 from 1 ratings.
Do ZEN browser or Periodic Table Pocket have ads?
Periodic Table Pocket shows ads; ZEN browser does not.
Which is updated more often, ZEN browser or Periodic Table Pocket?
ZEN browser ships an update every 26 months, and Periodic Table Pocket weekly. Most recently, ZEN browser was updated on October 22, 2026 and Periodic Table Pocket on October 24, 2026.

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