BJ vs 试卷橡皮擦
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BJ
Control your drone and view its camera feed in real-time. Adjust throttle, take photos, and record videos directly from your phone.
- Real-time drone control
- Live camera feed display
- Photo capture
- Video recording
- Throttle adjustment
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Through the real-time connection with the uav through WIFI, the pictures taken by the uav will be displayed, and the phone will control the direction of the aircraft throttle, shoot the pictures of the uav and record the video
试卷橡皮擦
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【试卷橡皮擦：让学习解题更高效】 还在为复杂题目卡壳？手写痕迹难清理？作业写作没思路？试卷橡皮擦一站式解决你的学习痛点，让解题、整理、提升变得简单高效。 **核心功能，直击需求** - 智能写作：AI赋能快速成文，贴合语境的优质内容一键生成，帮你理清写作思路。 - 擦除手写体：精准识别手写痕迹，一键擦除不留痕，让卷面整洁如新。 - 拍题解析：清晰梳理解题思路 - 错题本：自动收纳错题，智能归类便于复盘，针对性强化练习，让错题不再错。 无论是日常作业、备考复习还是写作练习，试卷橡皮擦成为你的得力助手，让学习更高效、更轻松。 立即下载，开启高效学习之旅 【订阅VIP会员】 1、服务名称：连续包周会员、连续包月会员、连续包年会员。 2、订阅周期：周(7天)、月(30天)、季(90天) 3、通过用户iTunes账户扣款，用户确认购买后即付款。 4、取消续订：如需取消续订，请在当前订阅到期 24 小时以前，手动在 iTunes/Apple ID 设置管理中关闭自动续订功能。 5、续订：苹果 iTunes 账户会在到期前 24 小时内扣款，扣款成功后订阅周期顺延相应期限。 6、隐私政策：https://docs.qq.com/doc/DWGVQSW92VVdpaXFk 7、用户协议：https://docs.qq.com/doc/DWEttb2p5QVRkSXpS
Screenshots
Verdict
The clearest difference is in-app purchases: BJ at none against 试卷橡皮擦's 3. BJ also leads on update cadence (every 5 weeks vs every 9 months) and iOS requirement (12.0 vs 15.6). On price, ads 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. 试卷橡皮擦 sells 3 in-app purchases, starting at $2.99 per 7 days. BJ asks for nothing beyond the download.
BJ ships an update every 5 weeks, 试卷橡皮擦 every 9 months. The most recent releases landed on August 18, 2026 and June 27, 2026 respectively.
| Parameter | BJ | 试卷橡皮擦 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (9 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 5 weeks — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 167 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | 介甲 张 | 枭雄 毛 |
In-app purchases
BJ
No in-app purchases
试卷橡皮擦
- 慧写解题连续周会员$2.997 Days
- 连续包月会员$3.991 Month
- 连续包季会员$7.993 Months
