Comparison

iSign vs OwlEye Green Energy RL2

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

Head to head
About

iSign

Easily create, manage, and customize digital signatures for business, personal, or legal documents. Sign PDFs, Word files, and images securely and paperlessly directly from your device. Offers a seamless and professional signing experience.

Highlights
  • Create custom digital signatures
  • Sign PDFs, Word, and image files
  • Secure and legally compliant signatures
  • Paperless document signing
  • Manage signatures easily
Features
Read full description

Our app is your solution to create, manage and customize digital signatures with ease and professionalism. Whether you are signing documents for business, personal use or legal agreements, our app provides a seamless, secure and paperless process – right from your device. Key Features: - Create your own signatures: Draw, type or upload your signature with custom fonts and styles to suit your needs. - Sign documents instantly: Import PDF, Word or image files and add your signature effortlessly. - Security and legality: Rest easy knowing your digital signatures comply with global electronic signature standards. Our app is perfect for professionals, businesses and anyone looking for a convenient way to handle signatures. It saves time, eliminates hassle and eliminates paper waste. Unlock unlimited access to easy document signing and secure management with our subscription plans! Choose a weekly plan for just $4.99 including a 3-day free trial, or save big with an annual plan for just $24.99. Subscription Terms: - Payment will be charged to your App Store account upon confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. - Manage your subscription and auto-renewal settings through your Account Settings. - Any unused portion of a free trial will be forfeited when you purchase a subscription. Privacy Policy: https://docs.google.com/document/d/11PdNjPU5M-Ucs1Pgre8YK5tfx0leZC9SO9Lfzq-JG2s/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/17cgPdOKsJ_GdbTtmsy1MH4x5x7jxva8yhaGdxonVOZc/edit?usp=sharing

About

OwlEye Green Energy RL2

Features
Read full description

The OwlEye Green Energy platform is a monitor system to allows the management of multiple electrical equipment in housing and sites. The OwlEye GE provides the 4 main features: - Real-time data monitoring: Remotely monitor the running readings and status of your equipment with OwlEye GE applications in real time - Historical data visualization: Visualize device data by integrating into charts over different time periods - Alarm and notification: Inform the sudden fault status and repair issue on equipment to deal with anomalies in a timely manner, by notifying with push message instantly - Reporting: Customize time and filters to generate reports for easy maintenance and management of equipment health

Screenshots

iSign4 screens
OwlEye Green Energy RL24 screens

Verdict

The call

The clearest difference is in-app purchases: OwlEye Green Energy RL2 at none against iSign's 8. iSign's advantage is update cadence (every 2 days vs every 4 months). On price, ads, device support 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. iSign sells 8 in-app purchases, starting at $2.99 per 7 days. OwlEye Green Energy RL2 asks for nothing beyond the download.

UpkeepUpdate frequency

iSign ships an update every 2 days, OwlEye Green Energy RL2 every 4 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
iSign versus OwlEye Green Energy RL2: the parameters behind the verdict, then further details
ParameteriSignOwlEye Green Energy RL2
PriceFreeFree
Rating4.5 (31 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings31 — better—
Update frequencyEvery 2 days — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.615.1 — better
Further details — not scored
Size59 MB39 MB
Age rating4+4+
DeveloperEidarovi Ilgar3Tech Corporate Limited

In-app purchases

8 purchases

iSign

Subscriptions8
  • Create Your Signature3 Days trial$2.997 Days
  • Create Your Signature3 Days trial$4.997 Days
  • Create Your Signature3 Days trial$6.997 Days
Show 5 more
  • Create Your Signature3 Days trial$9.997 Days
  • Create Your Signature3 Days trial$19.991 Year
  • Create Your Signature$29.991 Year
  • Create Your Signature$39.991 Year
  • Create Your Signature$49.991 Year
None

OwlEye Green Energy RL2

No in-app purchases

Questions

Is iSign free?
iSign is free to download, with in-app purchases available.
Is OwlEye Green Energy RL2 free?
OwlEye Green Energy RL2 is free to download, with no in-app purchases.
Do iSign or OwlEye Green Energy RL2 have ads?
Neither iSign nor OwlEye Green Energy RL2 shows ads.
Which is updated more often, iSign or OwlEye Green Energy RL2?
iSign ships an update every 2 days, and OwlEye Green Energy RL2 every 4 months. Most recently, iSign was updated on November 4, 2026 and OwlEye Green Energy RL2 on October 30, 2026.

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