FastMath vs Naughty Duck !
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
FastMath
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FastMath turns mental math into a quick, satisfying game — for kids, teens and adults. PICK YOUR CHALLENGE • Classic — 60 seconds. Build combos for bonus time and score multipliers up to ×5. • Survival — 3 lives and a clock that shrinks as you get better. • Daily Challenge — a fresh puzzle set every day, the same for everyone your age. Keep your streak alive. • Practice — no timer. Drill any times table from 2× to 12×. EXACTLY THE MATH YOU WANT Turn addition, subtraction, multiplication and division on or off. Puzzles adapt to your age and get harder as you improve, including missing-number puzzles like 7 × ? = 56. LEVEL UP Earn XP, unlock achievements and collect colourful themes. See your accuracy for each skill so you know what to practice next. FRIENDLY FOR EVERYONE • Players under 13 get a kid-safe experience: no ads, no online features, and purchases need a grown-up. • Teens and adults can compete on Game Center leaderboards. • Your progress stays on your device. No account needed. FREE, WITH OPTIONAL UPGRADES FastMath is free to play. Remove Ads ($0.99) or get Premium ($1.99) for every theme, mistake review and no ads. One-time purchases — no subscriptions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://uia9020.github.io/fastmath/privacy.html
Naughty Duck !
Embark on an adventure with a mischievous duck who has angered a farmer. Help this fowl escape by outsmarting the farmer and reaching safety. Enjoy a lighthearted game designed for passing the time.
- Escape the farmer
- Collect stolen crops
- Pass the time
- Enjoyable gameplay
- Lighthearted adventure
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Hey! I'm the naughty duck. I'm here to help you pass the time and enjoy! There is an evil farmer whom I stole some cucumbers and corn from, and he decided to kill me. But guess what. I DON'T CARE. With your help, I can run away from him! Thanks.
Screenshots
Verdict
The clearest difference is price: FastMath at Free against Naughty Duck !'s $0.99. Naughty Duck !'s advantage is in-app purchases (none vs 2) and ads (none vs shown). On 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
FastMath is free to download; Naughty Duck ! costs $0.99 up front. FastMath sells 2 one-off in-app purchases. Naughty Duck ! asks for nothing beyond the download.
FastMath ships an update every 111 months, Naughty Duck ! every 3 months. The most recent releases landed on October 8, 2026 and November 3, 2026 respectively.
| Parameter | FastMath | Naughty Duck ! |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | — | 3.2 (53 ratings) — better |
| Positive reviews | — | 48.3% of reviews |
| Number of ratings | — | 53 — better |
| Update frequency | Every 111 months | Every 3 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Best chart rank | — | #80 — better |
| Devices | iPhone, iPad | iPhone, iPod, Apple Watch — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Upul Adikari | abedalkareem omreyh |
In-app purchases
FastMath
- Remove Ads$0.99
- FastMath Premium$1.99
Naughty Duck !
No in-app purchases









