kaidanplus vs AltLog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
kaidanplus
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階段を登るたびに、世界の名峰へ近づいていく。 kaidanplus(カイダンプラス)は、Appleヘルスケアの「階段(フロア)」データを活用して、毎日の階段活動を楽しくトラッキングするアプリです。 ■ 今日の記録をリアルタイム表示 階数・歩数・アクティブカロリー・体脂肪消費量を一目で確認できます。 ■ 仮想登山で毎日がチャレンジに 高尾山から富士山、エベレストまで25座以上の国内外の名峰を制覇出来る。 日々の階段データが累積され、少しずつ山頂へ近づいていきます。 衛星写真・3Dマップで実際の山の場所も確認できます。 ■ 記録を振り返る 週間・月間の履歴グラフで、積み重ねてきた成長を実感しましょう。 ■ 自分だけの目標設定 1日の目標階数を自由に設定。目標達成時には通知でお知らせします。 ■ カスタムテーマ 好みのテーマカラーでアプリを彩れます。 エレベーターではなく階段を選ぶ、その小さな積み重ねが健康への一歩になります。毎日の階段生活を、kaidanplusで楽しみましょう。
AltLog
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AltLog is a one-tap elevation logger. It reads the barometric pressure sensor built into your iPhone and turns it into a live tally of height climbed, height descended and stair-equivalents — in metres or feet. There is no GPS. None. AltLog never asks for your location, and the pressure sensor uses far less power than GPS. WHEN IT WORKS • Inside parking garages, multi-story buildings and stairwells where GPS is useless. • On stairs, hills and short climbs where you want the number, not a map. • In elevators — see how much height the ride really covered. • Anywhere there is air. (Sealed pressurised vehicles excepted — physics, not us.) HOW TO USE 1. Tap Start before a staircase, a hill or a walk. 2. Keep AltLog open: it measures while it is on screen, and it keeps the screen awake during a session. 3. Tap Stop when you're done. The session lands in History with its altitude profile. WHAT YOU GET • Live cumulative ascent, in metres or feet, and in stair-equivalents (1 stair = 0.20 m). • Cumulative descent, counted separately from the climb. • An altitude profile chart for each session, kept in History. • The height unit follows your region, or your own choice in Settings. FREE AND PRO Recording sessions is free, and your three most recent sessions are always there. AltLog Pro, a one-time in-app purchase, unlocks your full session history. PRIVATE BY DESIGN No account. No cloud. No ads, no tracking. Pressure samples are processed on-device, and your sessions are stored only on your iPhone. Deleting the app removes everything.
Screenshots
Verdict
The clearest difference is update cadence: kaidanplus at every 2 days against AltLog's every 2 weeks. AltLog's advantage is iOS requirement (18.0 vs 26.2). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
kaidanplus ships an update every 2 days, AltLog every 2 weeks. Both last shipped on October 11, 2026.
| Parameter | kaidanplus | AltLog |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 26.2 | 18.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | TAKESHI SUZUKI | Ilia Filiaev |
In-app purchases
kaidanplus
No in-app purchases
AltLog
No in-app purchases









