進数・補数変換 vs 統計DS発展対策
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
進数・補数変換
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We have released an application that allows you to easily check decimal and complement conversions.
統計DS発展対策
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統計DS発展 全500問に対応した問題集アプリ。章別演習・ランダム出題・模擬試験など複数モードで効率的に学習できます。
Screenshots
Verdict
The clearest difference is price: 進数・補数変換 at Free against 統計DS発展対策's $4.99. 統計DS発展対策's advantage is update cadence (every 3 days vs weekly). On ads, 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
進数・補数変換 is free to download; 統計DS発展対策 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
進数・補数変換 ships an update weekly, 統計DS発展対策 every 3 days. The most recent releases landed on November 12, 2026 and October 16, 2026 respectively.
| Parameter | 進数・補数変換 | 統計DS発展対策 |
|---|---|---|
| Price | Free — better | $4.99 |
| Update frequency | Weekly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 3 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Manato Abe | satoshi yoshida |
In-app purchases
進数・補数変換
No in-app purchases
統計DS発展対策
No in-app purchases
