Chess vs Apex Lines
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chess
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Chess Tracker is your companion for online chess ratings. • Follow favorites — track players on Chess.com and Lichess • Alerts — new peaks, milestones (e.g. crossing 2000), and rating drops • Leaderboard — top players by time control • Player profiles — rating history, openings, heatmap, recent games • Daily puzzle — straight from Chess.com • Compare & favorites ranking — who's ahead? • Your profile — set a rating goal and track progress • Widgets, Live Activity (Lichess), Siri, app icons, iCloud sync, German & English Not affiliated with Chess.com or Lichess. Data from their public APIs.
Apex Lines
Log track day details like tire pressures, gearing, and lap times against real circuit maps. Features corner notes, setup memory, and a maintenance ledger for your motorcycle. Offers data export and simulation tools.
- Log track day sessions, laps, and tire pressures
- Real circuit maps with numbered corners
- Pin notes to specific corners
- Circuit setup memory and hot-pressure intelligence
- Motorcycle maintenance ledger
- Data export (CSV, JSON)
- 3D circuit simulation
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APEX LINES — THE PADDOCK NOTEBOOK THAT KNOWS THE TRACK Your track days live here: sessions, cold and hot tire pressures, gearing, weather, lap times, and prep checklists — logged against real maps of 34 circuits and 49 motorcycle layouts with every corner numbered. Riders already keep this notebook — on paper, on tape, in the pit box. Apex Lines is that notebook with the track built in. KEEP THE RECORD • Log every track day: sessions, laps, tires, gearing, setup. Weather fills itself in. • Cold and hot pressures per wheel — every number you'd otherwise scribble on tape. • Lap times with delta-to-best and personal-best flags. • Corner notes: pin a note to any corner — line, gear, reference points. Walk the track with your coach and mark what matters to you. • Circuit setup memory: "LAST TIME HERE — F 30.0 → 33.5." Your own numbers, from this track, recalled when you come back — and keyed to conditions, so you can see what you ran the last time it was this cold. • Hot-pressure intelligence: cold-to-hot deltas surfaced per wheel at 0.5-psi steps, seeded from your own history. KNOW THE TRACK • Real maps of 34 circuits and 49 motorcycle layouts — real geometry, every corner numbered, offline in your pocket at the paddock. • A computed reference line — minimum-curvature over the mapped pavement, contained on the asphalt by construction. A starting point to study, not "the" line: adapt it to conditions, traffic, and your event's rules. • Corner guides that mark brake, turn-in, apex, and exit on a map turned the way you ride in — study material, not rider coaching. • 3D circuits and a fly-the-line camera with tunable simulation: grip, braking, drive, top speed. Physics-simulation estimates, not measured data — it never claims to be your lap. RUN THE DAY • Prep checklists with per-category progress — the laminated sheet, digitized. Add your own items; they carry forward day to day. • Duplicate Last Day carries your whole setup to the next event. • RaceBox lap import with staged review — and an import preview, so you see what's in your files before you're asked to pay. • Share a photo of your day with your best lap on it — free. • Season stats: days, laps, circuits. Real numbers — no streaks, no projections. • Your data is yours: single-day CSV and JSON export free for everyone; season-wide exports with Pro. THE GARAGE • A maintenance ledger keyed to your logged track time — log the day, and oil hours, pad life, and tire heat cycles accrue on their own. • Your bike, your intervals: nickname is the only required field, and every component is optional. Track what you care about; the rest renders nothing. • Seeded intervals cite their source — you accept or edit each number, and your figure is never overwritten. • Facts, not verdicts: the ledger shows hours against your own mark. It never nags, and nothing turns red. • Tire sets follow the tire — swap wheels and the heat cycles ride along. • Resale-ready export: the full ledger with sources, free for every bike. • One bike's complete ledger is free for good; Pro adds more bikes. NOT A LAP TIMER Apex Lines doesn't time your laps. It's the study-and-logging half of your track day — the study tool your lap timer is missing. FREE AND PRO Free keeps the full circuit library, 2D maps with the reference line, and your first track day — never deleted, never locked. Pro opens the rest of the toolbox: 3D circuits and the fly-the-line camera, corner guides, and unlimited track days. OFFLINE-FIRST, NO ACCOUNT Everything works without a signal — pit lane included. No sign-up, no tracking. One app on iPhone and Mac. Track maps are derived from OpenStreetMap data, © OpenStreetMap contributors (ODbL). Questions or a circuit request: hey@apexlines.app Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://apexlines.app/privacy
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Verdict
The clearest difference is in-app purchases: Chess at none against Apex Lines's 2. On price, update cadence, ads 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
Both are free to download. Apex Lines sells 2 in-app purchases, starting at $4.99 per month. Chess asks for nothing beyond the download.
Chess ships an update weekly, Apex Lines every 5 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | Chess | Apex Lines |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| Update frequency | Weekly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, Apple Watch | iPhone, iPad, Mac — better |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Dustin-Joel Eden | Another One, LLC |
In-app purchases
Chess
No in-app purchases
Apex Lines
- Apex Lines Pro Monthly$4.991 Month
- Apex Lines Pro Yearly$39.991 Year









