Comparison

软航PDF阅读器 vs NAS Vista

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

Head to head

NAS Universal File Browser

Free

🔧 Utilities

No ratingsView app →

About

软航PDF阅读器

Features

Read full description

PDF阅读器让你可以查看手机上的PDF，或者查看存储在iCloud中的PDF文档。

About

NAS Vista

Features

Read full description

Key Features: 1. Multiple login methods 2. Easy multi-user switching 3. Playback for various video and audio formats 4. EPUB eBook reading with notes and bookmarks saved to your NAS Privacy Policy: https://page3app.pages.dev/docs/privacy-policy/nas-vista/ End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ User Manual：https://page3app.pages.dev/en/docs/nasvista/usage/

Screenshots

软航PDF阅读器2 screens

NAS Vista4 screens

Verdict

The call

The clearest difference is in-app purchases: 软航PDF阅读器 at none against NAS Vista's 3. 软航PDF阅读器 also leads on update cadence (every 2 days vs every 5 weeks) 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. NAS Vista sells 3 in-app purchases, starting at $0.99 per month. 软航PDF阅读器 asks for nothing beyond the download.

UpkeepUpdate frequency

软航PDF阅读器 ships an update every 2 days, NAS Vista every 5 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 3 level

软航PDF阅读器 versus NAS Vista: the parameters behind the verdict, then further details
Parameter	软航PDF阅读器	NAS Vista
Price	Free	Free
Update frequency	Every 2 days — better	Every 5 weeks
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	12.0 — better	15.6
Further details — not scored
Size	10 MB	127 MB
Age rating	4+	4+
Developer	Chongqing Ruanhang Technology Co., Ltd.	zhang pan

In-app purchases

None

软航PDF阅读器

No in-app purchases

3 purchases

NAS Vista

Subscriptions2

Premium Subscription Service14 Days trial$0.991 Month
1-Month Subscription (Direct)$0.991 Month

One-time1

Lifetime Subscription$39.99

Questions

Is 软航PDF阅读器 free?

软航PDF阅读器 is free to download, with no in-app purchases.

Is NAS Vista free?

NAS Vista is free to download, with in-app purchases available.

Do 软航PDF阅读器 or NAS Vista have ads?

Neither 软航PDF阅读器 nor NAS Vista shows ads.

Which is updated more often, 软航PDF阅读器 or NAS Vista?

软航PDF阅读器 ships an update every 2 days, and NAS Vista every 5 weeks. Most recently, 软航PDF阅读器 was updated on November 3, 2026 and NAS Vista on October 30, 2026.