Comparison

RN DocSync vs SunPas

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

Head to head

2FA Authentication

About

RN DocSync

Features

Read full description

This application is only available for customers of Rail Network DocSync! Users are able to download files to their device by synchronizing with the Rail Network server in order to access them without a Wi-Fi connection.

About

SunPas

Features

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SunTis Ltd. Two-Factor Authentication (2FA). The app may be integrated with different kind of platforms: - custom website - GitLab - VPN - Platforms that uses OpenID and LDAP(S) - Easy registration process: 1. Scan the QR-Code 2. SMS Code confirmation 3. Device name and PIN configuration - 3 types of secure authentication: - Biometric - Pin code - Ok / Reject - Use multiple devices to receive the authentication requests - Authentication on multiple platforms (Tenants) with the same app - App languages: English, German, French, Italian

Screenshots

RN DocSync1 screens

SunPas4 screens

Verdict

The call

RN DocSync and SunPas are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 12 months. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

ScorecardNo meaningful differences

RN DocSync versus SunPas: the parameters behind the verdict, then further details
Parameter	RN DocSync	SunPas
Price	Free	Free
Update frequency	Every 12 months	Every 12 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	14.0 — better	15.5
Further details — not scored
Size	34 MB	36 MB
Age rating	4+	4+
Developer	EDITH GmbH & Co. KG	SunTiS Ltd

In-app purchases

None

RN DocSync

No in-app purchases

None

SunPas

No in-app purchases

Questions

Is RN DocSync free?

RN DocSync is free to download, with no in-app purchases.

Is SunPas free?

SunPas is free to download, with no in-app purchases.

Do RN DocSync or SunPas have ads?

Neither RN DocSync nor SunPas shows ads.

Which is updated more often, RN DocSync or SunPas?

RN DocSync ships an update every 12 months, and SunPas every 12 months. Most recently, RN DocSync was updated on September 10, 2026 and SunPas on September 17, 2026.