Comparison

Simple Checkmate vs Valkyrie Nexus

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

Head to head
About

Simple Checkmate

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Strengthen your piece and kick enemies to the curb in one fell swoop! ใƒปMerge your pieces on the board! ใƒปMerge pieces in your hand into pieces on the board! Use your strengthened pieces to wipe out your enemies!

About

Valkyrie Nexus

A single-player card battle RPG where you can meticulously plan your strategies without time pressure. Build your ideal deck and experience the thrill of turning the tide of battle with the "OVER DRIVE" system.

Highlights
  • Single-player card battle RPG
  • No time limits for strategic planning
  • "OVER DRIVE" system for comebacks
  • Deck building with unit combinations
  • Focus on strategic depth
Features
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10 MP every turn. Play your strongest cards from turn one, with no waiting. No matchmaking queues, no turn timers. Free to play. โ—† Go all out from turn one "The early game of a card game is honestly boring." That is the problem this game was built to solve. You get 10 MP every single turn. There is nothing to build up. Your strongest cards are playable from the very first turn. โ—† Easy to learn, deep to play The rules are simple enough to pick up in a few minutes. Even so, every turn asks something of you: where to place your units, when to spend your Overdrive. "Very easy to pick up, yet the gameplay has real depth." That is from a player review. โ—† Play at your own pace You never wait for an opponent to be found. There is no turn timer either, so you can think as long as you like. On your commute, or for a few minutes before bed, whenever you feel like it. A card game that never rushes you. โ—† Main modes [Battle] Pick an opponent and fight. Win to earn Diamonds and rewards. [Ranked Match] Take on decks published by players around the world. Climb from Bronze all the way up. You battle their deck with AI in control, so there is never a wait. [Online Match] Play other people in real time. Choose the dedicated ruleset built for longer games (40 HP, 40-card decks), or the standard rules. [Draft] Pick one card at a time from sets of three, build a deck on the spot, and take on up to 10 matches. Cards you do not own are fair game, so it comes down to skill, not collection size. [Deck Builder] Build your own 30 cards out of 160. Search by name, effect or cost to find exactly what you want. [Card Packs] Open one at a time, ten at once, or by watching an ad. The animation when SR or better shows up is worth seeing. [Match History] Replay your last 30 battles exactly as they happened. Both players' moves play back in order, so you can see why you won or lost. โ—† All you need to remember - Rush ... can attack the turn it is played - Guard ... your opponent cannot attack anything else - Activate ... units on the field can use an ability every turn - Overdrive ... your trump card: power up a unit and attack on the spot Everything else is written on the cards themselves. โ—† Free to play, all the way Every card can be earned by playing. Paying is optional, for people who want to collect faster or skip ads. This is a card game made by a solo developer. Bug reports and requests are welcome from "Contact" inside the app. I read them all and fix what I can.

Screenshots

Simple Checkmate4 screens
Valkyrie Nexus4 screens

Verdict

The call

The clearest difference is update cadence: Valkyrie Nexus at every 2 days against Simple Checkmate's every 2 weeks. Simple Checkmate's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Simple Checkmate ships an update every 2 weeks, Valkyrie Nexus every 2 days. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

Scorecard2 real differences ยท 6 level
Simple Checkmate versus Valkyrie Nexus: the parameters behind the verdict, then further details
ParameterSimple CheckmateValkyrie Nexus
PriceFreeFree
Positive reviewsโ€”77.8% of reviews
Update frequencyEvery 2 weeksEvery 2 days โ€” better
AdsYesYes
In-app purchasesNoNo
Monetizationโ€”Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 โ€” better15.0
Further details โ€” not scored
Size117 MB359 MB
Age rating4+4+
DeveloperTechQiao Inc.Just Idea

In-app purchases

None

Simple Checkmate

No in-app purchases

None

Valkyrie Nexus

No in-app purchases

Questions

Is Simple Checkmate free?
Simple Checkmate is free to download, with no in-app purchases.
Is Valkyrie Nexus free?
Valkyrie Nexus is free to download, with no in-app purchases.
Do Simple Checkmate or Valkyrie Nexus have ads?
Both Simple Checkmate and Valkyrie Nexus show ads.
Which is updated more often, Simple Checkmate or Valkyrie Nexus?
Simple Checkmate ships an update every 2 weeks, and Valkyrie Nexus every 2 days. Most recently, Simple Checkmate was updated on October 18, 2026 and Valkyrie Nexus on October 19, 2026.

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