Comparison

Krill Keeper vs Hello, Lizards

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

Head to head
About

Krill Keeper

A relaxing simulation game where you nurture a deep-sea krill colony. Feed and clean your krill, hatch eggs to expand your colony, and discover 20 unique variants. Enjoy peaceful gameplay with realistic flocking physics and beautiful dark visuals.

Highlights
  • Realistic krill swarm simulation
  • Feed and clean krill
  • Hatch new krill companions
  • Collect 20 krill variants
  • Discover rare variants
  • Deep-sea dark palette visuals
Features
Read full description

Krill Keeper is a relaxing simulation game where you care for krill in a deep-sea tank. Feed your krill, keep the tank clean, and hatch eggs to welcome new companions. Watch them swim together in realistic flocking patterns powered by boid physics, and collect 6 unique krill variants. Key Features: - Realistic krill swarm simulation with boid flocking physics - Feed and clean to keep your krill happy and healthy - Hatch eggs to recruit new krill companions - Collect 6 krill variants across 4 rarity tiers - Discover rare variants through milestones and random drops - Beautiful deep-sea dark palette visuals Take a break and find peace with the tiny creatures of the deep sea.

About

Hello, Lizards

Nurture a pixel lizard family in a virtual terrarium. Engage in feeding, temperature control, cleaning, and bonding to watch your lizards grow, breed, and unlock new patterns. Discover various species and morphs in this relaxing simulation.

Highlights
  • Pixel lizard care simulation
  • Breeding and genetics
  • Species, morph, and pattern collection
  • Daily missions and rewards
  • Offline care functionality
  • Relaxed gameplay sessions
Features
Read full description

Care for a growing lizard family in your own tiny pixel terrarium. Feeding, temperature, cleaning, bonding, and observing — five kinds of care let you track hunger, mood, cleanliness, warmth, and energy, then watch each lizard react. Steady care builds trust, advances growth, and unlocks new patterns through shedding. Adopt new companions, breed mature lizards, incubate eggs, and welcome hatchlings. As you discover different species, morphs, and patterns, your collection and family story continue to grow. [Features] · Focused pixel care for one lizard at a time — relaxed 1–3 minute sessions · Five care actions (feed / temperature / clean / bond / observe) with instant reactions · A growing lizard family with breeding, genetics, eggs, and hatching · A collection of lizard species, morphs, and patterns to discover · Long-term progress through trust levels, growth, shedding, and pattern unlocks · Daily missions that change every day, plus login-streak rewards · Forgiving design — no permanent damage even after time away, always recoverable · Contains ads · Core care is free · Premium species, rack expansions, and decorations are one-time purchases · Contains randomized items · Premium species are guaranteed; individual traits are randomized, with odds and distributions shown before purchase · Includes Morph Boxes opened with Crystals (paid currency) · Odds: Common 75%, Rare 22%, Legendary 3% · Legendary guaranteed within 30 boxes · Odds shown before opening · Care works offline · Internet is needed for new purchases, purchase checks, and pending-grant recovery on the same install Spend a little calm time with your lizard family in a cozy pixel terrarium today.

Screenshots

Krill Keeper3 screens
Hello, Lizards4 screens

Verdict

The call

The clearest difference is rating: Krill Keeper at 5.0 against Hello, Lizards's 3.0. Krill Keeper also leads on in-app purchases (none vs 12). Hello, Lizards's advantage is update cadence (every 3 days vs every 2 weeks). On price, ratings volume, ads 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

Both are free to download. Hello, Lizards sells 12 one-off in-app purchases. Krill Keeper asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Krill Keeper holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 7 and 4 respectively.

UpkeepUpdate frequency

Krill Keeper ships an update every 2 weeks, Hello, Lizards every 3 days. Both last shipped on October 28, 2026.

Scorecard4 real differences · 6 level
Krill Keeper versus Hello, Lizards: the parameters behind the verdict, then further details
ParameterKrill KeeperHello, Lizards
PriceFreeFree
Rating5.0 (7 ratings) — better3.0 (4 ratings)
Positive reviews—85.7% of reviews
Number of ratings7 — better4
Update frequencyEvery 2 weeksEvery 3 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size102 MB118 MB
Age rating4+4+
DeveloperNante StudioSeori Labs

Customer experience

Krill Keeper

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Hello, Lizards

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

In-app purchases

None

Krill Keeper

No in-app purchases

12 purchases

Hello, Lizards

One-time12
  • Starlight Accessory Set$0.49
  • Habitat Rack Expansion II$0.99
  • Habitat Rack Expansion I$0.99
Show 9 more
  • Night Sky Terrarium$0.99
  • Uromastyx$1.99
  • 300 Crystals$1.99
  • Crystal Starter$1.99
  • 슈팅스타 토케이$1.99
  • 은하 게코$1.99
  • 1,000 Crystals$6.99
  • 3,200 Crystals$19.99
  • 5,500 Crystals$34.99

Questions

Is Krill Keeper free?
Krill Keeper is free to download, with no in-app purchases.
Is Hello, Lizards free?
Hello, Lizards is free to download, with in-app purchases available.
Which has better reviews, Krill Keeper or Hello, Lizards?
Krill Keeper is rated higher. Krill Keeper averages 5.0 out of 5 from 7 ratings, while Hello, Lizards averages 3.0 from 4 ratings.
Do Krill Keeper or Hello, Lizards have ads?
Both Krill Keeper and Hello, Lizards show ads.
Which is updated more often, Krill Keeper or Hello, Lizards?
Krill Keeper ships an update every 2 weeks, and Hello, Lizards every 3 days. Most recently, Krill Keeper was updated on October 28, 2026 and Hello, Lizards on October 28, 2026.

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