Comparison

plus Auth vs Nostash

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

Head to head

A Nostr signing extension

Free

🔧 Utilities

No ratingsView app →

About

plus Auth

Features

Read full description

"plus Auth" is an authentication application for companies and organizations that authenticate users using smartphones. Just launch the application and tap the screen to complete the authentication. By linking with various systems and applications requiring authentication such as remote access and groupware, security can be enhanced by multi-factor authentication. 【Notes】 * In order to use this "plus Auth" application, "plus Auth" server is required separately. * For "plus Auth" server construction, please consult "Contact" on the support site.

About

Nostash

This extension allows Safari users to sign Nostr events directly within their browser. It adheres to the NIP-07 specification, enabling secure interactions with the Nostr network. Compatible with Mac, iPhone, and iPad.

Highlights

Nostr signing functionality
NIP-07 specification compliance
Safari browser extension
Secure event signing
Cross-device compatibility

Features

Read full description

Nostash is a Nostr signing extension for Safari that follows the NIP-07 specification.

Screenshots

plus Auth4 screens

Nostash4 screens

Verdict

The call

The clearest difference is update cadence: Nostash at weekly against plus Auth's every 10 months. plus Auth's advantage is iOS requirement (16.6 vs 18.0). 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

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

plus Auth ships an update every 10 months, Nostash weekly. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 6 level

plus Auth versus Nostash: the parameters behind the verdict, then further details
Parameter	plus Auth	Nostash
Price	Free	Free
Positive reviews	—	100.0% of reviews
Update frequency	Every 10 months	Weekly — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad	iPhone, iPad, Mac — better
Requires iOS	16.6 — better	18.0
Further details — not scored
Size	5 MB	11 MB
Age rating	17+	4+
Developer	FUJI NEXTERA LABO INC.	Terry Yiu

In-app purchases

None

plus Auth

No in-app purchases

None

Nostash

No in-app purchases

Questions

Is plus Auth free?

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

Is Nostash free?

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

Do plus Auth or Nostash have ads?

Neither plus Auth nor Nostash shows ads.

Which is updated more often, plus Auth or Nostash?

plus Auth ships an update every 10 months, and Nostash weekly. Most recently, plus Auth was updated on September 8, 2026 and Nostash on September 9, 2026.