PlayWithClock vs Sum + Sum
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PlayWithClock
An interactive clock application designed to help users learn to tell time. It allows manipulation of clock hands, provides spoken time in English and Japanese, and offers time-telling challenges. Users can even record their own voices for spoken time.
- Manipulate clock hands
- Listen to spoken time (English/Japanese)
- Time-telling challenges
- Record custom voice for time
- Switch between English and Japanese
- Customizable clock parts and colors
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An analog clock app to rotate the hands and see and hear the time. Try clock questions, record your voice to speak the time, switch Japanese and English display and audio, repeat the time at intervals, check X minutes before or after, and customize clock parts and colors. Reading analog clocks can help develop math skills. Enjoy it in your free time. Thank you for more than 1 million downloads (iOS only)!
Sum + Sum
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Sum Tass Sum(さんたさん)は、足し算の筆算をマス目で一歩ずつ練習できる学習アプリです。 入力するマスが自動で選ばれ、関係する数字がハイライトされるため、子どもが「次にどこを考えればよいか」を見失いにくい設計です。繰り上がりがある問題も、補助マスを使って順番に確認しながら進められます。 練習できる内容: ・1桁+1桁 ・2桁+1桁 ・2桁+2桁 ・3桁+3桁 ・3つの数の足し算 特徴: ・筆算をマス目で表示 ・入力対象マスを自動ガイド ・関連する数字をハイライト ・繰り上がりもステップごとに練習 ・ヒントとヘルプ機能 ・間違えた問題の復習 ・学習履歴を端末内に保存 ・iPhone / iPad対応 Sum Tass Sumは、家庭での算数学習や、足し算の筆算をはじめて練習する子ども向けに作られています。 問題を解くだけでなく、筆算の手順そのものを自然に身につけられることを目指しています。
Screenshots
Verdict
The clearest difference is ads: Sum + Sum at none against PlayWithClock'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 | PlayWithClock | Sum + Sum |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (16 ratings) — better | — |
| Positive reviews | 81.8% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 6 weeks | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 127 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Akiyo Imanaka | Yu Takahashi |
In-app purchases
PlayWithClock
No in-app purchases
Sum + Sum
No in-app purchases
Questions
Is PlayWithClock free?
Is Sum + Sum free?
Do PlayWithClock or Sum + Sum have ads?
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