Comparison

Doomsday Trainer vs ADHD Focus by EasyRead

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

Head to head
About

Doomsday Trainer

Master the Doomsday Algorithm to instantly calculate the day of the week for any historical date. Engage in timed challenges, compete against others, and practice various calculation methods to improve your speed and accuracy.

Highlights
  • Doomsday Algorithm calculation
  • Timed streak challenges
  • 1-on-1 live battles
  • Multiple training methods
  • Targeted component drills
  • Step-by-step tutorial
Features
Read full description

Master the Doomsday Algorithm — calculate the day of the week for any date in history in seconds. PLAY Build your streak and beat the clock. Every correct answer adds to your streak; one wrong answer ends it. Compete on the global leaderboard for Longest Streak and Fastest Average Speed. BATTLE Challenge a real opponent to a live 1-on-1 race. Five dates, fastest and most accurate player wins. Elo-based ranking tracks your competitive record. TRAIN Six methods to choose from: • Doomsday — the classic anchor-day approach • Odd + 11 — the Fong-Walters mental shortcut • The Wollin Shortcut — a memory-based system using vectorized doomsdays, the Square Knot Rule, and the Wollin Calamity Table (by u/Nillows) • Conway's Method — the original algorithm by John Conway • Mod 28 — reduce any year to under 28 before calculating • Custom Mode — pick your own date range, century, or decade DRILL Targeted practice for each component: months, centuries, years, mod 7 arithmetic, and the full Wollin Shortcut drill suite. TUTORIAL New to the algorithm? The built-in tutorial walks you through everything step by step.

About

ADHD Focus by EasyRead

Features
Read full description

READ ANYTHING, LIKE A SUPERHUMAN Turn your ADHD into a superpower, and read at 400 words per minute. BUILT FOR FOCUS-HUNGRY BRAINS If your attention wanders mid-paragraph, if you re-read the same line five times, if long articles feel like walls — EasyRead was designed for you. Remove the friction, find your tempo, and finish what you start. EASYREAD AI Simply paste an article out of any public web page, document, or PDF and it gives you a clean, calm reading room — built for brains that crave focus. No distractions. Paste a link > Drop in text > Import a Contract or PDF. Digest information x5 faster! Everything becomes a distraction-free read with contrast emphasis, one-word-at-a-time focus, and a tempo you control. READING MODES THAT ACTUALLY HELP Speed Reading — A bold edge on every word, so your eyes glide instead of stutter Focus Mode — words flash one at a time at your tempo. No scanning, no losing your place Beam Mode — a moving highlight glides across the text, pacing your eyes word by word Auto Scroll — the page drifts upward on its own. Hands still, eyes relaxed WPM Control — drag the slider to feel your speed, then train yourself faster Warm paper by day, deep ink at night — two calm themes, easy on your eyes ADHD friendly, improve your focus and learning! And every mode stacks. Speed + Focus + Dark Mode? Tap the toggles while you read. AI THAT READS WITH YOU Ask Focus Chats to summarize, simplify, or pull out key points from whatever you're reading. Every conversation is saved, so insights never disappear. AI TOOLS? Connect EasyRead to ChatGPT or Claude with one simple MCP link — your AI tools can extract articles, apply speed formatting, and clean up text on your behalf. CALM BY DESIGN No ads. No feeds. No infinite anything. Just your words, your pace, your reading room. Free during early access. Paste a link and go. Customer Support & FAQ https://app.notion.com/p/sayif-rasheed-app/EasyRead-FAQ-Support-Page-3933a9e1318580f0ae29d4a10b1e908d? Privacy Policy & T&Cs https://sayif-rasheed-app.notion.site/EasyRead-Privacy-Policy-T-Cs-EULA-3933a9e1318580e29c3acdb533a5965b?pvs=74 EULA / Terms of Use https://sayif-rasheed-app.notion.site/EasyRead-Privacy-Policy-T-Cs-EULA-3933a9e1318580e29c3acdb533a5965b?pvs=74

Screenshots

Doomsday Trainer4 screens
ADHD Focus by EasyRead4 screens

Verdict

The call

The clearest difference is ads: Doomsday Trainer at none against ADHD Focus by EasyRead's shown. On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Doomsday Trainer ships an update every 5 days, ADHD Focus by EasyRead every 6 days. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

Scorecard1 real difference · 9 level
Doomsday Trainer versus ADHD Focus by EasyRead: the parameters behind the verdict, then further details
ParameterDoomsday TrainerADHD Focus by EasyRead
PriceFreeFree
Rating4.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 5 days — betterEvery 6 days
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size15 MB8 MB
Age rating4+4+
DeveloperMaarten ClaessenSayif-Ullah Rasheedd

In-app purchases

None

Doomsday Trainer

No in-app purchases

None

ADHD Focus by EasyRead

No in-app purchases

Questions

Is Doomsday Trainer free?
Doomsday Trainer is free to download, with no in-app purchases.
Is ADHD Focus by EasyRead free?
ADHD Focus by EasyRead is free to download, with no in-app purchases.
Do Doomsday Trainer or ADHD Focus by EasyRead have ads?
ADHD Focus by EasyRead shows ads; Doomsday Trainer does not.
Which is updated more often, Doomsday Trainer or ADHD Focus by EasyRead?
Doomsday Trainer ships an update every 5 days, and ADHD Focus by EasyRead every 6 days. Most recently, Doomsday Trainer was updated on September 30, 2026 and ADHD Focus by EasyRead on October 6, 2026.

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