Ruspectra vs ポケット数学公式
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ruspectra
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Master Russian verb aspects with confidence! This app is designed to help you truly understand perfective and imperfective forms—not just through memorization, but through practice that delivers lasting results. With over 1,000 verbs included, you’ll build a solid foundation while improving naturally at your own pace. Every word comes with clear native audio, and adjustable playback speed ensures you can follow along comfortably. Progress tracking and streaks help you stay motivated and see how far you’ve come. - Learn and reinforce 1,000+ perfective & imperfective verb pairs - Listen to natural pronunciation for every word - Adjust audio speed to match your level - Track your progress and celebrate milestones - Choose vocabulary levels that fit your stage of learning Whether you’re starting out or strengthening your skills, this app gives you reliable tools to gain confidence and mastery in Russian verb aspects.
ポケット数学公式
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ポケット数学公式とは 必要な数学公式をすぐに引けるリファレンスアプリです。7カテゴリ・65の主要公式を 収録。試験前の確認や仕事中のふとした疑問に、パッと開いてすぐ見つかります。 ■ 7つのカテゴリ ・代数:二次方程式の解の公式、因数分解、対数、指数法則 ・幾何学:面積・体積公式、ピタゴラスの定理、座標幾何 ・三角関数:加法定理、倍角・半角、正弦定理、余弦定理 ・微分・積分:導関数、積の微分、連鎖律、不定積分、定積分 ・確率・統計:順列・組合せ、期待値、分散、二項分布、正規分布 ・数列:等差・等比数列、Σ公式、階差数列、漸化式 ・ベクトル・行列:内積・外積、行列式、逆行列、一次変換 ■ 便利な機能 ・キーワード検索:公式名・数式・タグで横断検索 ・お気に入り登録:よく使う公式をワンタップで保存 ・使用例つき:具体的な数値例で理解を深める ■ 安心設計 ・完全オフライン対応(通信不要) ・広告なし ・データは端末内のみ保存(外部送信なし) ・無料で全機能利用可能 ■ こんな方におすすめ ・テスト前に公式をサッと確認したい学生 ・数学を学び直したい社会人 ・仕事で数式を使うエンジニア・研究者 ・受験勉強のお供に いつでもポケットに数学の辞典を。
Screenshots
Verdict
The clearest difference is update cadence: Ruspectra at every 6 days against ポケット数学公式's monthly. Ruspectra also leads on iOS requirement (15.6 vs 17.0). 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.
Ruspectra ships an update every 6 days, ポケット数学公式 monthly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Ruspectra | ポケット数学公式 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 45 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Hidenori Ishiii | SANWA Inc. |
In-app purchases
Ruspectra
No in-app purchases
ポケット数学公式
No in-app purchases









