Comparison

Vivoxis vs Idle Medieval Kingdom Builder

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

Head to head
About

Vivoxis

Features
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Begin your evolutionary journey in Vivoxis - the most sophisticated evolution simulation on mobile! Start as a single cell and evolve through billions of years of life, from simple prokaryotes to complex multicellular organisms. Collect, breed, and trade over 50 unique species. ** SOPHISTICATED GENETICS โ€ข 16 unique traits per organism: Strength, Intelligence, Fertility, Rarity, and more โ€ข Breed two organisms to create unique offspring with inherited traits โ€ข 70% trait inheritance, 20% small mutations, 10% rare large mutations โ€ข 198 billion possible unique organism combinations โ€ข Breeding fatigue system - rest your organisms between breeds ** EVOLVE YOUR COLLECTION โ€ข 51 species across a branching lifecycle tree inspired by real biology โ€ข Evolve from Cell -> Prokaryote -> Eukaryote -> Multicellular -> Animal -> Mammal -> Human โ€ข Choose your evolution path: become a Fish, Bird, Canine, Gorilla, or Human โ€ข Watch organisms transform with particle animations and emoji visuals โ€ข Use Evolution Multipliers to accelerate the process (stackable!) ** EARN LIFE COINS โ€ข Stake organisms to earn passive LIFE coin rewards โ€ข Rarity multipliers for rare organisms โ€ข Daily challenges and achievement rewards โ€ข Sell organisms in the global Marketplace ** GLOBAL MARKETPLACE โ€ข Browse and purchase organisms from other players worldwide โ€ข List your organisms for sale (25 LIFE listing fee) โ€ข Advanced filters: species, traits, rarity, price, owner โ€ข Seller star ratings and price history โ€ข Listings expire after 7 days ** ACHIEVEMENTS & PROGRESSION โ€ข 16 achievements across 8 categories โ€ข Level up your account and earn bonus coins โ€ข Daily challenges with streak bonuses โ€ข Family tree lineage for every organism ** ORGANISM PACKS โ€ข 13 themed packs from Starter ($4.99) to Noah's Ark ($49.99) โ€ข Noah's Ark: 2 of every species - 102 organisms! โ€ข Dinosaur, Aquatic, Predator, Mammal, and more ** SUBSCRIPTIONS (OPTIONAL) โ€ข Basic ($4.99/month): 1.5x staking rewards, no breeding cooldown โ€ข Pro ($9.99/month): 2x staking rewards, no breeding cooldown, exclusive organisms ** SECURITY โ€ข Sign in with Apple (required) โ€ข Cross-device sync via iCloud โ€ข No ads. No pay-to-win. Download Vivoxis today and begin your evolution! Privacy Policy: https://vivoxis.app/privacy Terms of Use: https://vivoxis.app/terms

About

Idle Medieval Kingdom Builder

Features
Read full description

Rule your own medieval kingdom in the most addictive idle tycoon game! Start with a single wheat farm and grow it into a sprawling empire of markets, mines, barracks, cathedrals, and towering castles. Your kingdom earns gold around the clock - even when you're offline - so every time you return, a fortune is waiting to be claimed. EASY TO PLAY, IMPOSSIBLE TO PUT DOWN Tap to collect gold, buy buildings, and watch your income soar. No complicated rules - just satisfying, number-go-up progression that keeps you coming back. BUILD YOUR MEDIEVAL EMPIRE - 8 unique buildings to unlock and upgrade, from humble farms to royal courts - Every upgrade multiplies your gold per second - Watch your kingdom transform as you grow EARN GOLD WHILE YOU SLEEP - Your empire keeps working when the app is closed - Come back to massive offline earnings - The longer you're away, the bigger the payday PRESTIGE FOR ENDLESS POWER - Reset your kingdom to earn precious Royal Crowns - Each crown permanently boosts ALL your income - Climb to new heights with every prestige ROYAL TREASURY - Collect gems from daily rewards and royal chests - Unlock the Royal Blessing for permanent income boosts - Use Time Warp to instantly leap hours ahead DAILY REWARDS & ROYAL CHESTS - Log in every day for a growing reward streak - Open Royal Chests for free gold and gems - There's always a reason to come back to your throne FEATURES - Beautiful medieval theme - Smooth, satisfying idle gameplay - Offline progression - earn while away - Prestige system for infinite replayability - No internet required to play Download now and start building the greatest empire the realm has ever seen. Your crown awaits! Play free. Long live the king! ROYAL PATRONAGE SUBSCRIPTION Royal Patronage is an auto-renewing subscription that grants 2x gold income and doubles your daily tribute while active. Payment is charged to your Apple ID account and the subscription auto-renews unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID Account Settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://kanac.github.io/syanac-legal/

Screenshots

Vivoxis4 screens
Idle Medieval Kingdom Builder4 screens

Verdict

The call

Vivoxis and Idle Medieval Kingdom Builder are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Vivoxis sells 12 one-off in-app purchases and Idle Medieval Kingdom Builder sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Vivoxis ships an update every 10 days, Idle Medieval Kingdom Builder every 9 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

ScorecardNo meaningful differences
Vivoxis versus Idle Medieval Kingdom Builder: the parameters behind the verdict, then further details
ParameterVivoxisIdle Medieval Kingdom Builder
PriceFreeFree
Update frequencyEvery 10 daysEvery 9 days โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 โ€” better16.4
Further details โ€” not scored
Size5 MB39 MB
Age rating4+4+
DeveloperAndrew MartinuzzoAnthony Chui

In-app purchases

12 purchases

Vivoxis

One-time12
  • Pre-Haunted Spirit Pack ๐Ÿ‘ป$2.99
  • Insect Pack$5.99
  • Plant Pack$5.99
Show 9 more
  • Reptile Pack$8.99
  • Greyhound Pack$9.99
  • Horse Racing Pack$9.99
  • Dinosaur Pack$12.99
  • Mammal Pack$12.99
  • Mythical Starter Pack$14.99
  • Predator Pack$14.99
  • Apex Pack$24.99
  • Noah's Ark Pack$49.99
6 purchases

Idle Medieval Kingdom Builder

Subscriptions1
  • Royal Patronage1 Month trial$4.991 Month
One-time5
  • Pouch of Gems$1.99
  • Royal Starter Pack$2.99
  • Chest of Gems$4.99
Show 2 more
  • Royal Decree$5.99
  • Vault of Gems$9.99

Questions

Is Vivoxis free?
Vivoxis is free to download, with in-app purchases available.
Is Idle Medieval Kingdom Builder free?
Idle Medieval Kingdom Builder is free to download, with in-app purchases available.
Do Vivoxis or Idle Medieval Kingdom Builder have ads?
Neither Vivoxis nor Idle Medieval Kingdom Builder shows ads.
Which is updated more often, Vivoxis or Idle Medieval Kingdom Builder?
Vivoxis ships an update every 10 days, and Idle Medieval Kingdom Builder every 9 days. Most recently, Vivoxis was updated on October 24, 2026 and Idle Medieval Kingdom Builder on October 10, 2026.

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