Comparison

ESA ON Mobile vs GreenBook

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

Head to head
About

ESA ON Mobile

This app allows Electrical Safety Authority account holders to manage wiring inspection notifications. Users can schedule inspections, check status, and submit photo/video evidence of installations directly to the ESA. It requires an ESA Online Services account to use.

Highlights
  • Schedule wiring notifications for inspection
  • Check inspection status and inspector information
  • Capture and submit photo/video evidence
  • Offline photo/video capture
  • Log in with ESA Online Services credentials
Features
Read full description

With Electrical Safety Authority’s ESA ON Mobile app, ESA account holders can schedule Wiring notifications for inspection, check the status of notifications, and capture and submit photo/video evidence and related details to ESA to demonstrate the full scope of your installation. Key features include: • Use your ESA Online Services credentials to log into the app • Search for your open notifications and view current inspection Status and Inspector information • Schedule notifications for inspection • Capture photo/video evidence while on-site and submit evidence to ESA with pertinent details for review • Offline capability (photo/ video capture only) Note: To use ESA ON Mobile, you must have a valid account with Electrical Safety Authority (ESA) and login credentials for ESA Online Services. Contact the ESA Customer Service Centre for more information. Minimum Device Requirements • Location services must be turned on within the device settings for geo-tagging of evidence i.e. photographs/videos • Mobile devices/OS supported by the application: o iPhone: • Minimum supported: iPhone 5 running iOS 9 or later • Minimum for updates: iPhone 5 running iOS 13 or later • Recommended: iPhone 6S/SE or more recent running iOS 9 or later however, 6S/SE is at the end of life cycle. o iPad: • Minimum supported – iPad 2 running iOS 9 or later • Minimum for updates – iPad running iOS 13 or later

About

GreenBook

Access Ontario's Occupational Health and Safety Act and Regulations. This tool allows for easy searching, bookmarking, and highlighting of key passages to aid in workplace compliance. A downloadable safety board posting is also available.

Highlights
  • Access Ontario's Health and Safety Act
  • Searchable Regulations
  • Bookmark key passages
  • Highlight text
  • Global search across documents
  • Downloadable safety board posting
Features
Read full description

DISCLAIMER: GreenBook is not affiliated with the Government of Ontario. GreenBook's contents are for informational purposes only. All documents referenced in this app are retrieved from https://www.ontario.ca/laws. This app's intended use is as a tool for compliance. Under 25(2)(i) of the Occupational Health and Safety Act, R.S.O. 1990, c. O.1, employers are required to post a copy of this Act, and any explanatory material prepared by the Ministry, in a conspicuous place at the workplace. A safety board posting that directs users to download this app is downloadable from app main screen - PDF button. GreenBook provides users with access to Ontario's Health and Safety Act and Regulations. The Act and Regulations are searchable and bookmarkable, including a global search across all documents to help you find what you're looking for. The Search function on the home page searches all available documents. Searching in a document will only search that doc. You can highlight a passage of text, preferably a section heading, and click the Bookmark button. These bookmarks can be reordered by holding and dragging. Clicking the "i" button while viewing a doc opens the e-Law website for that doc.

Screenshots

ESA ON Mobile4 screens
GreenBook4 screens

Verdict

The call

The clearest difference is review sentiment: GreenBook at 100% against ESA ON Mobile's 0%. GreenBook also leads on update cadence (every 3 months vs every 7 months) and iOS requirement (13 vs 16). On price, ads, in-app purchases and monetization model 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

ESA ON Mobile ships an update every 7 months, GreenBook every 3 months. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 7 level
ESA ON Mobile versus GreenBook: the parameters behind the verdict, then further details
ParameterESA ON MobileGreenBook
PriceFreeFree
Rating4.3 (4 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings4 — better—
Update frequencyEvery 7 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1613 — better
Further details — not scored
Size3 MB26 MB
Age rating4+4+
DeveloperElectrical Safety AuthorityTanner Mackenzie

Customer experience

ESA ON Mobile

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews12 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

GreenBook

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ESA ON Mobile

No in-app purchases

None

GreenBook

No in-app purchases

Questions

Is ESA ON Mobile free?
ESA ON Mobile is free to download, with no in-app purchases.
Is GreenBook free?
GreenBook is free to download, with no in-app purchases.
Do ESA ON Mobile or GreenBook have ads?
Neither ESA ON Mobile nor GreenBook shows ads.
Which is updated more often, ESA ON Mobile or GreenBook?
ESA ON Mobile ships an update every 7 months, and GreenBook every 3 months. Most recently, ESA ON Mobile was updated on September 22, 2026 and GreenBook on September 23, 2026.

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