First grade Math vs Rival Edge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
First grade Math
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Boost your child's subtraction skills with First Grade Math – Subtraction! This engaging app features 5 fun mini-games with adaptive difficulty and natural handwriting input for an intuitive learning experience. Choose from two modes – Math Trainer to practice at your own pace and Math mini games for an exciting, game-based challenge. Practice essential skills including: Subtraction facts - numbers up to 10 Subtraction facts - numbers up to 18 Subtraction facts - numbers up to 20 Subtract multiples of 10 Subtract a multiple of ten Relate addition and subtraction Subtract one-digit number from two-digit number Subtract two two-digit numbers Download First Grade Math – Subtraction today and turn math practice into a fun, rewarding adventure!
Rival Edge
Master strategic decision-making with real-life scenarios and Nobel Prize-winning game theory concepts. Learn practical rules for everyday dilemmas, track your progress, and gain an edge in negotiations and relationships.
- Interactive real-life scenarios
- 12 essential game theory concepts
- 20 practical daily rules
- Progress tracking with XP and ranks
- Payoff matrices for decision math
- Offline functionality
- Supports 6 languages
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Learn game theory through real-life scenarios. Rival Edge teaches you the science of strategic decision-making. INTERACTIVE SCENARIOS Face real dilemmas: salary negotiations, splitting restaurant bills, trust in relationships, group projects, and more. Every choice has consequences calculated through actual game theory models. 12 ESSENTIAL THEORIES Nash Equilibrium — why people get stuck in suboptimal situations Tit-for-Tat — the winning strategy in repeated interactions Prisoner's Dilemma — when cooperation beats selfishness Tragedy of the Commons — why shared resources disappear Ultimatum Game — the psychology of fairness And 7 more Nobel Prize-winning concepts 20 DAILY RULES Practical principles for everyday life: "Always name your number first", "Mirror behavior, not words", "Forgive fast, but remember". Each rule is backed by research. FEATURES 10+ scenarios with multiple outcomes Payoff matrices showing the math behind decisions Progress tracking with XP and ranks Beautiful dark interface 6 languages: English, Russian, French, German, Spanish, Italian No ads, no tracking, fully offline Whether you're negotiating a raise, dealing with a difficult neighbor, or deciding whether to trust someone — game theory gives you the edge.
Screenshots
Verdict
The clearest difference is update cadence: Rival Edge at every 6 months against First grade Math's every 28 months. First grade Math's advantage is price ($2.99 vs $3.99) and iOS requirement (12.0 vs 26.0). 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
First grade Math costs $2.99 and Rival Edge $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
First grade Math ships an update every 28 months, Rival Edge every 6 months. The most recent releases landed on September 8, 2026 and September 21, 2026 respectively.
| Parameter | First grade Math | Rival Edge |
|---|---|---|
| Price | $2.99 — better | $3.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 28 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 18 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Sergey Malugin | Vladimir Rodzaevskiy |
In-app purchases
First grade Math
No in-app purchases
Rival Edge
No in-app purchases
Questions
Is First grade Math free?
Is Rival Edge free?
Do First grade Math or Rival Edge have ads?
Which is updated more often, First grade Math or Rival Edge?
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