Universal Tour Guide vs Periodic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Universal Tour Guide
Discover the history and interesting facts about landmarks around you. This app uses Wikipedia to provide detailed information and images for nearby points of interest, encouraging you to explore your surroundings.
- Map mode showing nearby landmarks
- Detailed Wikipedia information
- Customizable search radius
- Customizable number of landmarks
- Quick launch buttons for relevant apps
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Your own personal tour guide! Reach a deeper understanding of what's around you - whether you're walking through your local neighborhood, or adventuring on the other side of the world. If you often find yourself hunched over your phone in public, this app might encourage you to look up and realise how interesting and historically rich your surroundings really are. This app searches Wikipedia for articles about nearby landmarks and shows them on a map. You can view detailed information about many landmarks: history, interesting facts, statistics, and pictures. Guide Bot has access to over 200000 geo-located articles worldwide, so you should be able to find plenty of information in most cities or tourist spots. Features: - map mode, showing nearby landmarks - detail mode, showing the Wikipedia page for that landmark - to prevent information overload, the app only searches in your surrounding area. - customize the number of on-screen landmarks and the search radius - quick launch buttons for contextually relevant apps (can be disabled in settings)
Periodic
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The PeriodicTableElements is an elegant app that is interactive and fun. Easy to use, easy to understand, simple and effective. It shows the periodic table of elements in variety of ways 1) Classic grid with name that is color coded. You can configure it to look however you like. 2) Visually appealing electron distribution. 3) Visually appealing Lewis dot structure. 4) List that can be sorted based on different element properties like group, period, category etc. These awesome periodic tables can be shared by simple double click anywhere on the table. It is possible to copy the periodic table diagrams as high quality SVG xml. Drag your finger on the periodic table canvas to update elements automatically or tap on an element to see more details. Tap on an element and all the rest of the related elements are highlighted. Details of a selected element is shown in a beautifully drawn animated element. Tap on the animated element and you will see more details that can also be shared. Tapping on the list element will navigate you to a page that shows details of the element. It automatically saves your hard work locally on your device so you can come back and pick up from where you left off as your great effort will not be lost. This is a perfect app if you are a student learning chemistry. This is an app for all student groups. From high school to college to university students. Be creative. Enjoy the app!
Screenshots
Verdict
The clearest difference is price: Universal Tour Guide at Free against Periodic's $1.99. Universal Tour Guide also leads on iOS requirement (12.0 vs 15.1). Periodic's advantage is update cadence (every 5 weeks vs every 10 months). 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
Universal Tour Guide is free to download; Periodic costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Universal Tour Guide ships an update every 10 months, Periodic every 5 weeks. The most recent releases landed on June 5, 2026 and September 24, 2026 respectively.
| Parameter | Universal Tour Guide | Periodic |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 8 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | James Hudson | Om Prakash Chapagain |
In-app purchases
Universal Tour Guide
No in-app purchases
Periodic
No in-app purchases
Questions
Is Universal Tour Guide free?
Is Periodic free?
Do Universal Tour Guide or Periodic have ads?
Which is updated more often, Universal Tour Guide or Periodic?
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