Comparison

Arca by Privacy Everywhere vs Onsight Flow

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

Head to head
About

Arca by Privacy Everywhere

This email client offers robust PGP encryption for secure communication. Your private keys are generated and stored locally on your device, ensuring they never leave. It seamlessly integrates with other PGP-compatible applications.

Highlights
  • PGP encryption
  • Local key generation
  • Private key security
  • Public key server storage
  • Compatibility with PGP Standard apps
  • Supports PGP/mime and old format
Read full description

Standard email client with PGP encryption option. Keys are generated locally, and private key never leaves users device. Public key is sent to the server. The app is compatible with all PGP Standard apps. Supports both the PGP/mime and the old format with encrypted cyphertext in the body of the message.

About

Onsight Flow

Read full description

As a part of the Onsight Augmented Reality Platform, Onsight Flow helps you transform your paper-based processes into digital work instructions for enterprise-grade wearables, smartphones, or tablets. Your teams can rely on step-by-step instructions or digital forms that include asset recognition, access to reference material, multi-decision tree steps, simplified data capture, and digital sign off procedures. With Flow, you can create, schedule, deploy, execute, and monitor work instructions securely across your workforce. Automatically send custom reports to separate groups including team members and customers. Use the built-in powerful reporting dashboards or pull the data into your own external visualization tools, and analyze live data to identify areas for improvement and monitor the status of jobs. Integrated with the Onsight Connect remote expert solution, you can immediately collaborate with colleagues, suppliers, or customers using live video, audio, telestration, text, and high-resolution image sharing

Screenshots

Arca by Privacy Everywhere3 screens
Onsight Flow4 screens

Verdict

The call

The clearest difference is update cadence: Arca by Privacy Everywhere at weekly against Onsight Flow's every 4 months. Onsight Flow's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Arca by Privacy Everywhere ships an update weekly, Onsight Flow every 4 months. The most recent releases landed on October 5, 2026 and October 16, 2026 respectively.

Scorecard2 real differences ยท 6 level
Arca by Privacy Everywhere versus Onsight Flow: the parameters behind the verdict, then further details
ParameterArca by Privacy EverywhereOnsight Flow
PriceFreeFree
Positive reviews0.0% of reviewsโ€”
Update frequencyWeekly โ€” betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS15.012.0 โ€” better
Further details โ€” not scored
Size38 MB77 MB
Age rating4+4+
DeveloperPrivacy Everywhere ApSLibrestream Technologies Inc.

In-app purchases

None

Arca by Privacy Everywhere

No in-app purchases

None

Onsight Flow

No in-app purchases

Questions

Is Arca by Privacy Everywhere free?
Arca by Privacy Everywhere is free to download, with no in-app purchases.
Is Onsight Flow free?
Onsight Flow is free to download, with no in-app purchases.
Do Arca by Privacy Everywhere or Onsight Flow have ads?
Neither Arca by Privacy Everywhere nor Onsight Flow shows ads.
Which is updated more often, Arca by Privacy Everywhere or Onsight Flow?
Arca by Privacy Everywhere ships an update weekly, and Onsight Flow every 4 months. Most recently, Arca by Privacy Everywhere was updated on October 5, 2026 and Onsight Flow on October 16, 2026.

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