Comparison

INES Maps vs Tokki

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

Head to head
About

INES Maps

Explore a global map of serious nuclear accidents, categorized by their INES level. View accident locations and access detailed Wikipedia articles for each event. Data includes accidents of level 4 or higher, plus significant level 2 and 3 events worldwide.

Highlights
  • Global nuclear accident map
  • INES level categorization
  • Detailed accident information
  • Wikipedia article integration
  • Accident timeline view
Features
Read full description

INES Maps lists nuclear and radiological accidents and incidents from around the world by their rating on the International Nuclear and Radiological Event Scale (INES), and shows where each one happened on a map. From Level 7 major accidents such as Chernobyl and Fukushima Daiichi down to Level 1 anomalies, the app covers 134 events from 1945 to the present. Each entry is compiled from public sources and includes the facility's location, date, country, a summary and a detailed account. KEY FEATURES • Browse by INES level Events are grouped from Level 7 down to Level 1, most severe first and newest first within each level. • Search and filter Search by facility or country, and choose the minimum level to show. • See the location on a map Each facility is shown on a satellite map, so you can see the site and its surroundings. • Detailed accounts Read what happened, why, and what the consequences were, with the date and coordinates. • Wikipedia, right in the app Open the related Wikipedia article without leaving the app. If an article isn't available in your language, translate it with a single tap. • Share Share an event's summary via Messages, email or social media. • Made for larger screens On iPad and an unfolded iPhone Duo, the list and the map appear side by side. On a folded iPhone Duo or any other iPhone, you move between them one screen at a time. • Four languages Available in English, Japanese, German and Italian. GREAT FOR • Anyone interested in nuclear safety or the history of energy • Checking the location and background of an accident in the news • Students, teachers and researchers looking for reference material PLEASE NOTE This app summarizes major events based on publicly available information. Events that predate INES have no official rating; for those, the app shows retrospective assessments by researchers or reference classifications. For official information, refer to the International Atomic Energy Agency (IAEA) and national regulators. This app displays ads. You can review your ad and tracking choices in Settings (available in some regions).

About

Tokki

Features
Read full description

Tokki is a messenger where your conversations slowly transform into the language you're learning. HOW IT WORKS Chat with friends like you normally would. When you learn a new word, add it to your shared vocabulary. From that moment on, that word automatically replaces itself in every message — yours and theirs. You read, you understand, you learn. No textbooks, no drills. TAP ANY WORD Don't know how to pronounce a word? Tap it. Tokki plays the native pronunciation instantly. Every word in your vocabulary becomes a word you can say out loud. QUIZ YOUR VOCABULARY Tokki generates quizzes from the words you and your friends actually use. Complete 10-question rounds, earn fun titles like Word Wizard or Vocab Star, and compete on the chat leaderboard. Share your results and challenge your friends to beat your score. FEATURES - Smart word replacement — learned words auto-replace in messages - Tap-to-pronounce — hear native pronunciation for any word - Vocabulary quizzes with leaderboards and streaks - Import vocabulary between chats - Real-time messaging with typing indicators and push notifications - Swipe to reply - Group chats and private conversations - Progress tracking — words learned, messages sent, daily streaks - Dark mode - Available in English and Portuguese - 15+ target languages including German, Spanish, French, Japanese, Korean, and more WHO IT'S FOR - Language students who want to practice daily without extra effort - Friend groups learning a language together - Anyone who wants to turn everyday conversations into language lessons Start a chat. Add some words. Watch your conversations evolve.

Screenshots

INES Maps4 screens
Tokki4 screens

Verdict

The call

The clearest difference is ads: Tokki at none against INES Maps's shown. Tokki also leads on update cadence (every 3 weeks vs every 6 weeks). On price, in-app purchases, device support and iOS requirement 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.

UpkeepUpdate frequency

INES Maps ships an update every 6 weeks, Tokki every 3 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
INES Maps versus Tokki: the parameters behind the verdict, then further details
ParameterINES MapsTokki
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.616.4 — better
Further details — not scored
Size5 MB40 MB
Age rating4+17+
DeveloperKAZUYUKI TAJIMAMixlang

In-app purchases

None

INES Maps

No in-app purchases

None

Tokki

No in-app purchases

Questions

Is INES Maps free?
INES Maps is free to download, with no in-app purchases.
Is Tokki free?
Tokki is free to download, with no in-app purchases.
Do INES Maps or Tokki have ads?
INES Maps shows ads; Tokki does not.
Which is updated more often, INES Maps or Tokki?
INES Maps ships an update every 6 weeks, and Tokki every 3 weeks. Most recently, INES Maps was updated on November 6, 2026 and Tokki on October 31, 2026.

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