扫描仪 vs Arbiter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
扫描仪
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扫描仪-图片转PDF扫描文件去手写包含扫描文件,扫描证件等基本功能,还包含试卷/合同去手写,PDF转换器等特色功能。 功能介绍: 扫描文件:手机化身扫描仪,扫描纸质合同/试卷/文件,框选合适区域,去除褶皱阴影,实现扫描效果; 扫描证件:出门办事必备,扫描身份证/户口本等证件,1:1还原至A4纸,实现和复印件一致的效果; 去除手写:智能擦除合同/试卷/文件上的手写印记,让其焕然一新,重复使用; PDF转换器:PDF/word/Excel/ppt/jpg格式相互转换,在保持原版式的情况下灵活转换; 会员订阅说明: 会员权益:解锁所有功能 订阅周期:套餐订阅周期包括季度(3个月)/终身(永久) 订阅价格:订阅价格取决于选择的订单套餐,以实际订阅价格为准 付款:用户确认购买并付款后记入iTunes账户 续订:苹果iTunes账户会在到期前24小时内扣费,扣费成功后订阅周期顺延一个订阅周期 取消续订:如需取消续订,请在当前订阅周期到期前24小时以前,手动在iTunes/Apple ID设置管理中关闭自动续订功能 三天免费试用:免费试用期内再次续订或取消续订,不会向用户收回免费试用权益,用户可以继续试用直至试用周期结束 在产品使用过程中有任何疑问,可随时通过app内部的联系我们入口联系我们。 隐私政策:https://www.showdoc.com.cn/p/07141d0554fad52f8db79694e86bb90a 用户许可协议:https://www.showdoc.com.cn/p/93c0831c961d12435f2070e3116aed62
Arbiter
This privacy-focused AI assistant operates entirely on your device, offering offline functionality. Choose from various open-source models to suit your needs, with all conversations securely stored locally. It's ideal for brainstorming, proofreading, and exploring AI capabilities without data collection.
- On-device AI processing
- Offline model execution
- Document summarization
- Privacy-focused design
- Multiple AI model selection
- Local data storage
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Arbiter is a privacy-first offline AI assistant that runs on your device. Choose from lightweight open-source models like Gemma, Llama, DeepSeek, Qwen, and Mistral, or connect to larger models running on your PC or Mac over your local network. You can also connect to Arbiter for Mac when it is serving a local model on your network. There are no accounts, servers, or data collection. All your conversations are stored securely on your device, under your control. Key Features: - On-Device AI: Download and run models locally on your iPhone - Apple Intelligence Support: Use Apple’s on-device Foundation Model on supported devices without downloading another model - Local Image Generation: Create images directly on your device with Stable Diffusion - Local Network Models: Connect to more powerful models running on your PC or Mac through tools like LM Studio, Ollama, or Arbiter for Mac - Visual AI Support: Upload images or take photos in-app to use with MLX-powered visual models - Document & File Uploads: Summarize files and extract key insights - Expanded File Support: Work with DOCX, RTF, HTML, Markdown, CSV, JSON, code, PDF, and text files - Bring Your Own Model: Search Hugging Face, download compatible models, or import supported GGUF files and MLX folders already on your device - MCP Tools: Connect to compatible MCP servers, review tool arguments, and run tools when needed - Optional Web Search: Access up-to-date information when needed, while keeping your core experience private and local - Smart Chat Suggestions: Context-aware suggestions tailored to your selected model and role - Personalization: Customize system prompts and model settings for a more tailored experience - Advanced Model Controls: Adjust context size, maximum response length, temperature, Top-P, and Top-K - Local Model Benchmarking: Measure model quality, speed, response time, and memory use directly on your device - Privacy by Design: Your conversations and data never leave your device unless you choose to enable web search or connect to a local network model - Model Flexibility: Choose from multiple open-source AI models to balance speed, accuracy, and memory use - Improved Reliability: Smarter context handling and enhanced error management for a more stable experience - No Hidden Costs: Avoid expensive cloud fees with local and local-network processing Whether you want to brainstorm, code, proofread text, analyze images, summarize files, search the web, or experiment with the latest open-source AI, Arbiter makes advanced AI models accessible while keeping your data in your hands. Device Requirements: For smooth on-device performance, Arbiter is recommended for iPhone 13 Pro or later, or devices with at least 6GB RAM. Older devices may experience memory issues or crashes.
Screenshots
Verdict
The clearest difference is update cadence: Arbiter at fortnightly against 扫描仪's every 2 months. 扫描仪's advantage is iOS requirement (11.0 vs 18.4). 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. 扫描仪 sells 2 in-app purchases, starting at $40.99 per 3 months and Arbiter sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
扫描仪 ships an update every 2 months, Arbiter fortnightly. Both last shipped on October 8, 2026.
| Parameter | 扫描仪 | Arbiter |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.9 (16 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 16 — better |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, Mac |
| Requires iOS | 11.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 52 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Herui Business(Guangzhou) Co., Ltd. | Jordan Stone |
In-app purchases
扫描仪
- 连续包季3 Days trial$40.993 Months
- 终身会员$59.99
Arbiter
- Small Tip$1.99
- Medium Tip$4.99
- Large Tip$9.99
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- Extra Large Tip$19.99









