NebulaRec vs AlienSilva
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NebulaRec
This app intelligently records and summarizes audio content, transforming spoken words into text, concise summaries, and mind maps. It offers efficient file management, AI-powered Q&A, and practical tools for organizing information for study, work, or personal use.
- AI-powered transcription
- Automatic summarization
- Mind map generation
- Efficient file management
- Recording tag function
- AI Q&A support
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NebulaRec, your one-stop intelligent recording companion! It has a powerful fast transmission function, ensuring rapid and stable transmission. File management is efficient and convenient, with automatic classification and summary. It's effortless to search for files. The unique transcription, summary and mind mapping functions, combined with a rich variety of summary templates, can quickly convert recorded content into text, refine summaries, and generate mind maps, making it convenient to organize thoughts. The recording tag function can precisely mark important recordings, facilitating quick location. AI Q&A is always available to answer your questions and provide professional advice. In addition, it is equipped with a variety of practical tools to meet diverse needs. In NebulaRec, audio recording is no longer merely a simple record; it is an efficient process of information processing and knowledge management. The simple operation interface enables you to get started easily and complete tasks efficiently. Whether it's for study, work or life record-keeping, it is your best choice.
AlienSilva
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1、Private chats and group interactions: Chat one-on-one with friends or join group chats anytime, sharing thoughts and feelings for seamless communication. 2、AI Q&A dialog: Ask questions anytime and engage in in-depth conversations with intelligent AI to get quick and accurate answers. 3、AI multilingual translation: Easily overcome language barriers to achieve free communication among friends from different countries, supporting real-time translation in multiple languages. 4、AI customized style image generation: Based on your creativity, the AI will create unique artworks tailored to you, unleashing your creativity.
Screenshots
Verdict
The clearest difference is in-app purchases: AlienSilva at none against NebulaRec's 10. NebulaRec's advantage is update cadence (every 8 days vs every 4 weeks) and device support (3 vs 1). On price, ads 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. NebulaRec sells 10 one-off in-app purchases. AlienSilva asks for nothing beyond the download.
NebulaRec ships an update every 8 days, AlienSilva every 4 weeks. The most recent releases landed on November 5, 2026 and October 16, 2026 respectively.
| Parameter | NebulaRec | AlienSilva |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 8 days — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15 — better | 16.0 |
| Further details — not scored | ||
| Size | 165 MB | 98 MB |
| Age rating | 4+ | 17+ |
| Developer | Shanghai PalmZen Wireless Technology Co.,Ltd | Shenzhen Hanshuang Technology Co., Ltd |
In-app purchases
NebulaRec
- 書き起こし時間:120 分$2.99
- 120分钟转写时长$2.99
- 月度Max VIP$4.99
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- 書き起こし時間:600 分$9.99
- 600分钟转写时长$9.99
- 月度Max VIP权益$15.99
- 月額 Ultra VIP 特典(つがねっくすブイアイピーとくてん)$29.99
- 書き起こし時間:3000 分$39.99
- 3000分钟转写时长$49.99
- 書き起こし時間:6000 分$69.99
AlienSilva
No in-app purchases









