MicroField vs Ikimono Hakoniwa
Price, ratings, monetisation and update history for both games, side by side â with what reviewers say about each.
MicroField
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Create a Micro, evolve it in your lab, and spread its colonies as you walk. MicroField is a location-based game with a Japanese gameplay interface. Terms, privacy information and the age gate are available in English. MAKE YOUR MICRO Choose a name, shape, color and starting traits for a fictional digital organism. Its seeded cyber appearance and generated name modifier give your creation its own identity. WALK AND ESTABLISH COLONIES Visit nearby places and check in. Recorded walks earn game credits and materials, and can leave Micros along your route. Watch colonies spread as colored particles across the map. CHOOSE HOW IT EVOLVES Spend DNA and materials to improve spread, persistence and other traits. Compare changes in the lab before evolving. Select one shared trait: transmission, persistence or symbiosis. Each changes how your Micro spreads, how long it is carried or how much it affects its carrier. STUDY WHAT YOU ENCOUNTER In-game infections leave samples you can analyze by walking. Use care to recover and gain immunity, or carry a Micro to another place for a delivery reward. Samples remain available for research after recovery. PLAY SOLO, OR JOIN THE SHARED FIELD Environmental Micros and research tasks let you progress without nearby players. If you choose to join the shared field, Micros can travel between people who visit the same places at different times. Both players do not need to have the app open together. Relay totals appear in your records. START WITHOUT AN ACCOUNT Real-world play requires location permission. A separate demo lets you try a fictional city without it. Optional motion access can turn available device walking history into game resources when you next open the game. Always-on location permission is not required. For ages 13 and up; minors need permission from a parent or guardian. Players aged 18 or over may opt in to banner ads in Records after privacy checks. Ads are off by default and can be turned off in settings. There are no full-screen ad interruptions or rewards for watching ads. Infections, immunity, medicines, facilities and resources are fictional game mechanics. They do not describe real health, medical treatment or infection conditions. Stop somewhere safe before using the screen. Map display and sharing require an internet connection. Districts and facilities are fictional game markers; interact from a publicly accessible location within 180 meters. Initial version: guest play only, with progress stored on this device. Apple account linking, cloud saves and cross-device recovery are not available.
Ikimono Hakoniwa
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Ikimono Hakoniwa is a tiny ecosystem you can watch. Plant grass, place a few animals, and the food chain takes over: they graze, hunt, flee, breed and decline on their own. - Just watch No goals to hit. Place rabbits, buffalo, foxes, wolves and crocodiles, then follow the ups and downs on the population graph. Change the speed, toggle day and night, and tune how fast each group breeds. "Place in bulk" in Settings drops 5 or 10 animals at once, drops piles of grass, or fills the map with grass. Your Just watch world autosaves, so it is still there when you reopen the app. (Free version: 30 minutes per day; Place in bulk: 5 tries per day.) - Explore a bigger world Use Map size in the Map menu to make the free-mode map 1, 2 or 3 screens wide. Pinch to zoom, and use the Move tool or a two-finger drag to look around. Tap the minimap in the lower left to jump straight to a distant herd. The bigger the map, the more creatures it can hold. Groves near the water, rocky ground and raised plateaus (on Huge) shape the land, and thirsty animals drink at the water's edge. - The cycle of life Where an animal's life ends, bones remain, slowly return to rich soil, and flowers bloom. Little birds eat from fruit trees and carry the seeds far away, so new trees take root. Animals gather under the trees for fallen fruit, and a fox may be waiting. - Make a map Place rocks, trees, fruit trees, ponds, a river and plateaus anywhere you like. Name your ponds and plateaus, save the land to My maps, and start fresh on it any time. (Free version: 1 My map slot.) - Names and families (Full Version) Give an animal a name, and its children and grandchildren join the same family and inherit its markings and personality. Follow how many generations it lasts on the family tree. When a named animal's life ends, a name flower blooms there; pick it to keep a pressed flower in the album. - Challenges Goal-based stages such as growing 40 rabbits, keeping foxes alive under wolf attack, helping a crocodile ambush its prey, and "The Cycle of Life" stages about flowers, forests and families. You have limited placements and time. Clear fast and with few moves to earn all 3 stars. (Free version: stages 1-6 and the free trial "Keep a Family Going".) - Field Guide Read about each creature and terrain, compare speed, swimming and vision, and explore the food chain diagram. Your own observation records are kept too. Collect discoveries, like a buffalo herd driving off a wolf or a tree growing from a seed a bird carried. - Observe tool Tap any animal to see its age, hunger and what it is doing right now. Tap "Follow" to zoom in and track that one animal. (Free version: 3 times per day.) - 3 save slots Keep up to three of your favorite worlds, each with a thumbnail. (Free version: 1 slot.) - Free and Full Version The free version includes Just watch mode (30 minutes per day), Challenge stages 1-6 and the free trial stage, the Field Guide, the Observe tool, Make a map, 1 save slot and 1 My map slot. The Full Version is a one-time purchase (not a subscription) that removes the daily time limit and unlocks all Challenge stages, names and families, 3 save slots and 3 My map slots, unlimited follow camera and Place in bulk, and lets you change the population cap of each species. Buy it from the Full Version item in the menu; use Restore Purchase when you change devices. - The creatures Rabbit: the weakest, but breeds fast and swims well Buffalo: herds drive predators away Fox: a small hunter that flees from wolves and herds Wolf: the strongest, but slow in water Crocodile: hides in ponds and rivers, waiting to ambush Bird: eats fruit and carries the seeds, spreading the forest Simple controls: mostly taps, plus pinch to zoom. The game works fully offline with no ads (the network is used only for the Full Version purchase). Available in English and Japanese.
Screenshots
Verdict
The clearest difference is in-app purchases: MicroField at none against Ikimono Hakoniwa's 1. Ikimono Hakoniwa's advantage is ads (none vs shown) and update cadence (every 6 days vs fortnightly). On price, 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
Both are free to download. Ikimono Hakoniwa sells 1 one-off in-app purchase. MicroField asks for nothing beyond the download.
MicroField ships an update fortnightly, Ikimono Hakoniwa every 6 days. Both last shipped on November 10, 2026.
| Parameter | MicroField | Ikimono Hakoniwa |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Every 6 days â better |
| Ads | Yes | No â better |
| In-app purchases | No â better | Yes |
| Devices | iPhone | iPhone, iPad â better |
| Requires iOS | 17.0 | 16.4 â better |
| Further details â not scored | ||
| Size | 8 MB | 36 MB |
| Age rating | 4+ | 12+ |
| Developer | Rikuto Yasuda | Kazuyuki Kikugawa |
In-app purchases
MicroField
No in-app purchases
Ikimono Hakoniwa
- Full Version$1.99
Questions
Is MicroField free?
Is Ikimono Hakoniwa free?
Do MicroField or Ikimono Hakoniwa have ads?
Which is updated more often, MicroField or Ikimono Hakoniwa?
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