Comparison

INES Maps vs Fractal Catalog

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

Explore the history of nuclear and radiological incidents around the world. INES Maps is an educational reference app for discovering major nuclear accidents, radiation incidents, criticality events, radioactive material accidents, and other significant events by location, date, and INES level. FEATURES • Explore incidents on an interactive world map • Browse events by INES level • Search by incident name, country, or description • View dates, locations, summaries, and detailed accounts • Sort incidents to find recent events within each level • Open related reference information from the incident details screen • Switch between English and Japanese ABOUT INES The International Nuclear and Radiological Event Scale (INES) is used to communicate the safety significance of nuclear and radiological events. The scale ranges from Level 1 to Level 7, with higher levels representing events of greater significance. ABOUT THE DATA Some incidents occurred before INES was introduced or do not have a confirmed official rating. In these cases, the app may show an estimated or equivalent level based on publicly available information. Historical sources may differ in their reporting of dates, release estimates, exposure levels, and event sequences. Where relevant, the app identifies these uncertainties. DISCLAIMER INES Maps is an independent educational reference app. It is not affiliated with or endorsed by the IAEA, any government agency, regulatory authority, or nuclear facility operator. This app does not provide emergency alerts, real-time radiation monitoring, medical advice, or official safety instructions. For emergencies and current safety information, always follow announcements from the appropriate authorities.

About

Fractal Catalog

Features
Read full description

In the “Fractal Catalog” iPhone/iPad app, you can see various fractal figures while moving them. ** Fractals handled in “Fractal Catalog” ** C Curve Sierpinski Gasket Sierpinski Carpet Pentaflake Hexaflake Sierpinski Curve Hilbert Curve Peano Curve Moore Curve Koch Curve Koch Snow Flake Gumowski Mira Attractor Julia Set Mandelbrot Set Cellular Automaton Pascal’s Triangle Barnsley Fern Dragon Curve Modified Koch Curve Tree Curve Z Order Curve Minkowski Sausage Vicsek Snow Flake Saltire Vicsek Snow Flake Cross Torn Square Fractal Cantor Set Cantor Dust Gosper Curve Gosper Curve N13 Affine Transformation IFS Ammonite Affine Transformation IFS Tree Affine Transformation IFS Twin Dragon Affine Transformation IFS Branch Affine Transformation IFS Fern 2 Chaos Game Random Walk & Levy Flight Diffusion Limited Aggregation Diffusion Limited Deposition Invasion Percolation Ballistic Aggregation Devil’s Staircase Eden Model Scheidagger River Net

Screenshots

INES Maps4 screens
Fractal Catalog4 screens

Verdict

The call

The clearest difference is price: INES Maps at Free against Fractal Catalog's $2.99. INES Maps also leads on update cadence (every 6 weeks vs every 10 months). Fractal Catalog's advantage is ads (none vs shown) and iOS requirement (15.6 vs 17.6). On 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

INES Maps is free to download; Fractal Catalog costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

INES Maps ships an update every 6 weeks, Fractal Catalog every 10 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
INES Maps versus Fractal Catalog: the parameters behind the verdict, then further details
ParameterINES MapsFractal Catalog
PriceFree — better$2.99
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 weeks — betterEvery 10 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.6 — better
Further details — not scored
Size5 MB4 MB
Age rating4+4+
DeveloperKAZUYUKI TAJIMAYasuyoshi Ota

In-app purchases

None

INES Maps

No in-app purchases

None

Fractal Catalog

No in-app purchases

Questions

Is INES Maps free?
INES Maps is free to download, with no in-app purchases.
Is Fractal Catalog free?
Fractal Catalog costs $2.99, with no in-app purchases.
Do INES Maps or Fractal Catalog have ads?
INES Maps shows ads; Fractal Catalog does not.
Which is updated more often, INES Maps or Fractal Catalog?
INES Maps ships an update every 6 weeks, and Fractal Catalog every 10 months. Most recently, INES Maps was updated on November 1, 2026 and Fractal Catalog on November 3, 2026.

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