Palace Walk vs QC3 Formulas
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Palace Walk
Train your memory using the Memory Palace technique. This app provides an easy way to practice the Method of Loci, useful for studying, memorizing lists, and improving recall.
- Memory Palace training
- Method of Loci practice
- Journey Method exercises
- Useful for studying
- Helps memorize lists
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Palace Walk allows you to practice memory techniques known as the Memory Palace, Mind Palace, Method of loci, or Journey Method. Due to the usefulness of this memory technique, many famous people have professed or introduced its use, but there has been no easy way to train it. Palace Walk is an app that aims to make it easy for anyone to train this memory technique. It can be used to study for exams and certifications, and is also useful for memorizing small shopping lists. Now supports Apple Watch. Add it to your watch face to check the time while effortlessly practicing number memory throughout the day.
QC3 Formulas
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QC3の公式を効率的に学習できる無料アプリです。 A free app for mastering QC Level 3 formulas efficiently. 【アプリの特徴 / About This App】 品質管理3級レベルの公式13個を厳選収録。試験対策・実務活用・統計学の基礎学習に最適です。各公式には計算式と記号の説明が付いており、初学者でも理解しやすい構成です。 Covers 13 essential QC Level 3 formulas for exam prep, on-the-job reference, and building a statistics foundation. Each formula includes clear explanations of symbols, making it beginner-friendly. 【収録公式 / Formulas Included】 - 基本統計量 / Basic Statistics(7):平均値・範囲・中央値・偏差平方和・不偏分散・標準偏差・変動係数 / Mean, Range, Median, Sum of Squared Deviations, Sample Variance, Standard Deviation, Coefficient of Variation - 確率分布 / Probability Distributions(1):標準化 / Standardization (Z-Score) - 管理図 / Control Charts(2):Xbar-R管理図の管理限界線 / Control limits for Xbar-R charts - 相関・回帰 / Correlation & Regression(1):相関係数 / Pearson Correlation Coefficient - 工程能力指数 / Process Capability Indices(2):Cp・Cpk 【学習サポート機能 / Learning Features】 - お気に入り / Favorites 重要な公式をワンタップで登録。試験直前の復習や苦手な公式の集中学習に最適です。 Save any formula with one tap for quick access during last-minute review or focused practice. - 学習進捗管理 / Progress Tracking 学習済みにチェックを付けて達成率をパーセンテージで可視化。カテゴリ別進捗で学習の偏りも防げます。 Check off formulas as you learn them. Completion rates are shown by percentage, with per-category tracking to keep your studying well-rounded. - 検索機能 / Search 公式名・説明文からリアルタイム検索。該当箇所がハイライト表示されます。 Search across formula names and descriptions in real time, with matching text highlighted. - ダークモード / Dark Mode ワンタップで切り替え可能。夜間学習時の目の疲れを軽減します。 Switch with one tap to reduce eye strain during nighttime study sessions. - 文字サイズ調整 / Font Size 小・中・大の3段階で調整可能。どの画面サイズでも快適に閲覧できます。 Choose from three sizes — small, medium, or large — for a comfortable reading experience on any device. 【こんな方におすすめ / Who This App Is For】 ・品質管理3級の受験を予定している方 / Anyone preparing for the QC Level 3 exam ・統計学の基礎を学びたい方 / Those building a foundation in statistics ・製造業・品質保証部門で働く方 / Professionals in manufacturing or quality assurance ・スキマ時間に効率よく学習したい方 / Anyone looking to study smarter in short bursts ・参考書を持ち歩かずに勉強したい方 / Those who prefer studying without carrying a textbook 【完全無料・広告なし / Free & Ad-Free】 広告なし・課金なし。集中して学習に取り組める環境を提供します。 No ads, no in-app purchases. Just a clean, focused learning experience. 【データ保存 / Data Storage】 アカウント登録(無料)でお気に入り・進捗・設定データをクラウドに保存。端末変更やキャッシュ削除後も学習データが引き継げます。 Create a free account to save your favorites, progress, and settings to the cloud. Your data stays intact even if you switch devices or clear your cache. 品質管理の資格試験合格を目指す皆様の学習をサポートします。効率的な学習で、合格を勝ち取りましょう。 We're here to support everyone working toward QC certification. Study smart and go get that passing score.
Screenshots
Verdict
The clearest difference is ads: QC3 Formulas at none against Palace Walk's shown. On price, in-app purchases, device support and iOS requirement 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.
| Parameter | Palace Walk | QC3 Formulas |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (17 ratings) — better | — |
| Positive reviews | 81.0% of reviews | — |
| Number of ratings | 17 — better | — |
| Update frequency | Fortnightly | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 59 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomoya Furubori | Masaki Katayama |
In-app purchases
Palace Walk
No in-app purchases
QC3 Formulas
No in-app purchases
Questions
Is Palace Walk free?
Is QC3 Formulas free?
Do Palace Walk or QC3 Formulas have ads?
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