9x9カード vs Lecta
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
9x9カード
This app helps children learn multiplication tables with interactive flashcards. It offers various modes, including random quizzes and challenges, and allows customization of pronunciation for multiplication facts. It's designed to make learning multiplication engaging and effective.
- Interactive flashcards
- Customizable pronunciation
- Multiple learning modes
- Randomized quizzes
- Multiplication challenges
- Progress tracking
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シンプルな九九カードのアプリです カードのタップで答えを表示、スワイプで次の問題が表示されます 九九の読み方も表示します 初期設定の読み方は変更することができるので、通っている学校で教わっている読み方に変更できます 例)はちしさんじゅうに --> はっしさんじゅうに 4つモードを用意しています ・全部の九九 ・段の選択 ・ランダム50問 ・九九チャレンジ(答えを入力しながら九九にチャレンジ) ぜひお子さまの九九学習にお役立てください!
Lecta
Easily create optimized lecture videos from your recordings. Simply film your lecture with the blackboard visible, identify the blackboard in the app, and let it automatically process the video. The resulting files are significantly smaller and process quickly.
- Automated video optimization
- Blackboard identification tool
- Significant file size reduction
- Fast processing times
- Save directly to Photos app
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Create On Demand optimized lecture videos in 4 easy steps: 1. Film lecture with entire blackboard in view. 2. Open video in Lecta. 3. Identify the blackboard using the selection tool. 4. Watch Lecta do the rest! The optimized video will be saved to the Photos app. The resulting videos can be up to 1/20 the size of the original. A 10 minute 1080p videos take around 2 minutes to process. - Privacy Policy https://public.splyza.com/legal/20200604/pp.pdf - Terms of Use https://public.splyza.com/legal/20200604/terms.pdf
Screenshots
Verdict
The clearest difference is update cadence: Lecta at every 3 days against 9x9カード's every 5 months. Lecta also leads on iOS requirement (12.0 vs 16.6). 9x9カード's advantage is monetization model (free vs free with in-app purchases) and review sentiment (81% vs 72%). On price, rating, ratings volume and ads 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. 9x9カード sells 1 one-off in-app purchase and Lecta sells 5 in-app purchases, starting at $49.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for 9x9カード against 5.0 for Lecta. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 81% of 9x9カード's written reviews are positive against 72% of Lecta's.
9x9カード ships an update every 5 months, Lecta every 3 days. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.
| Parameter | 9x9カード | Lecta |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 81.3% of reviews — better | 72.2% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Kouichi INAFUKU | SPLYZA Inc. |
Customer experience
9x9カード
Lecta
In-app purchases
9x9カード
- 機能の追加$1.99
Lecta
- Unlimited Monthly7 Days trial$49.991 Month
- Unlimited Yearly7 Days trial$449.991 Year
- 1 Save$1.99
- 10 Saves$15.99
- Complete$599.99









