Comparison

災害救助ヘリコプター vs Niffelheim

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

Head to head
About

災害救助ヘリコプター

Features
Read full description

ヘリコプターのパイロットになって、日本各地で起こる災害から被災者を救出せよ! オンライン協力プレイのヒーローになろう!

About

Niffelheim

Embark on an immersive survival adventure in an open world inspired by Norse mythology. Craft weapons, build and defend your base against monster hordes, and explore dangerous dungeons for treasures. Forge your path to Valhalla in this offline RPG.

Highlights
  • Open world exploration
  • Crafting and blacksmithing
  • Base building and tower defense
  • Dungeon crawling
  • Monster combat
  • Resource gathering
  • Offline gameplay
Features
Read full description

Welcome to Niffelheim - an open world of Vikings filled with dangers and challenges. Prepare yourself for an immersive survival game with crafting and tower defense, mining, and base building mechanics, where your skills will be tested against horror monsters and black magic. Play an epic journey of exploration, mine into deep dungeons that hold both dangers and treasures. Niffelheim is an exceptional single-player 2D offline action RPG game without ads and in-apps purchases, with tower defense and crafts elements that will push your experience, shaping you into a true Norse mythic hero. Craftsman and blacksmith The rules of survival and craft games are pivotal in Nifelheim. Gather resources such as wood and ore to create weapons, bows and arrows, potions, and essential equipment to be good hunter of monster. Explore new drawings unlock magic and trade for an advantage in your fight for survival. Castle building and defense Build towers to create your castle, expand your base building, and reinforce walls to defend your kingdom against enemies attacks and skeletons hordes. Use various materials like wood and stone to create an impregnable fortress that defends you from Hell`s minions who like a zombies will atack your shelter. Adventure and dungeon Explore the dangerous world of survival RPG games, filled with adventures and horror. Enjoy fight against monsters, including undead and giants, trolls and yotuns, animals, and spiders - who will try to hinder your progress. Mine into dungeons to discover valuable last artifacts and chests, resources, and ores that help you craft the armor and weapons to fight against enemies and skeletons who like a zombie will atack your base. Reach to Valhalla Embark on a quest to collect the pieces of the portal leading to Asgard, unlocking the secrets of the gods' lands, rebirth the dragons. Overcome trials that test your sruvival and strength skills, confronting Death Priests and their undead minions. Travel through the Norse mythology underworld, exploring abandoned tombs and dungeons, completing NPC`s quests and reading the stories, fighting monsters and enemies, and seeking treasures and artifacts to aid you in your battle against the enemies of Asgard. Forge and craftman Equip yourself with powerful weapons and armor crafted in the workshops. Use resources found during gathering and exploration to create various types of equipment for hunting. Upgrade your gear to become stronger and better protected in battles against Hell`s minions. Dishes and mushrooms Food is crucial for survival in this Norse-themed role playing game. Collect mushrooms, berries, and other plant products to create dishes that boost your health. Test your luck and become a legendary Viking in the cold land of Niffelheim. Choose your path in this exciting sandbox game, where each day brings new challenges and adventures. Complete daily tasks and quests immerse yourself in an open world teeming with monsters, mysteries, and magic, and become a true hero. Prepare to fight for your life and protect your base from the dangers of this horror world. Good luck, in best Vikings simulator! Complete the final trial, prove your worth to the gods, and open the portal to Asgard. Become part of the epic legends that speak of the great Heroes of Valhalla. Niffelheim is an RPG where Viking sirvival depends on your skill and bravery. Build your kingdom, get resources, and craft the world. Explore dangerous dungeons, battle monsters, and Hell`s minions, unlock the secrets of magic and trading, and immerse yourself in the fantasy land of Vikings and land of God Hell. Pass all quests of NPC`s, collect all the pieces of the portal, open the door to Asgard city, and become a legend worthy of Valhalla. Lets don`t starve Vikings in this mythical survival game!

Screenshots

災害救助ヘリコプター4 screens
Niffelheim4 screens

Verdict

The call

The clearest difference is review sentiment: 災害救助ヘリコプター at 100% against Niffelheim's 60%. 災害救助ヘリコプター also leads on price ($0.99 vs $4.99). Niffelheim's advantage is update cadence (every 5 weeks vs every 7 months) and iOS requirement (13.0 vs 15.0). 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

CostPrice · In-app purchases · Ads · Monetization

災害救助ヘリコプター costs $0.99 and Niffelheim $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

災害救助ヘリコプター ships an update every 7 months, Niffelheim every 5 weeks. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 6 level
災害救助ヘリコプター versus Niffelheim: the parameters behind the verdict, then further details
Parameter災害救助ヘリコプターNiffelheim
Price$0.99 — better$4.99
Rating—4.6 (89 ratings) — better
Positive reviews100.0% of reviews — better60.3% of reviews
Number of ratings—89 — better
Update frequencyEvery 7 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size219 MB348 MB
Age rating4+12+
DeveloperSENKEN INC.Ellada Games LLC

Customer experience

災害救助ヘリコプター

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Niffelheim

All ratings89 ratings
Positive91.0%
Neutral2.2%
Negative6.7%
Written reviews68 reviews
Positive60.3%
Neutral11.8%
Negative27.9%

In-app purchases

None

災害救助ヘリコプター

No in-app purchases

None

Niffelheim

No in-app purchases

Questions

Is 災害救助ヘリコプター free?
災害救助ヘリコプター costs $0.99, with no in-app purchases.
Is Niffelheim free?
Niffelheim costs $4.99, with no in-app purchases.
Do 災害救助ヘリコプター or Niffelheim have ads?
Neither 災害救助ヘリコプター nor Niffelheim shows ads.
Which is updated more often, 災害救助ヘリコプター or Niffelheim?
災害救助ヘリコプター ships an update every 7 months, and Niffelheim every 5 weeks. Most recently, 災害救助ヘリコプター was updated on October 4, 2026 and Niffelheim on October 13, 2026.

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