Comparison

NebulaRec vs AlienSilva

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • AI-powered transcription
  • Automatic summarization
  • Mind map generation
  • Efficient file management
  • Recording tag function
  • AI Q&A support
Features
Read full description

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.

About

AlienSilva

Features
Read full description

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

NebulaRec4 screens
AlienSilva3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. NebulaRec sells 10 one-off in-app purchases. AlienSilva asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 6 level
NebulaRec versus AlienSilva: the parameters behind the verdict, then further details
ParameterNebulaRecAlienSilva
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 8 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15 — better16.0
Further details — not scored
Size165 MB98 MB
Age rating4+17+
DeveloperShanghai PalmZen Wireless Technology Co.,LtdShenzhen Hanshuang Technology Co., Ltd

In-app purchases

10 purchases

NebulaRec

One-time10
  • 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
Show 7 more
  • 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
None

AlienSilva

No in-app purchases

Questions

Is NebulaRec free?
NebulaRec is free to download, with in-app purchases available.
Is AlienSilva free?
AlienSilva is free to download, with no in-app purchases.
Do NebulaRec or AlienSilva have ads?
Neither NebulaRec nor AlienSilva shows ads.
Which is updated more often, NebulaRec or AlienSilva?
NebulaRec ships an update every 8 days, and AlienSilva every 4 weeks. Most recently, NebulaRec was updated on November 5, 2026 and AlienSilva on October 16, 2026.

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