Comparison

Hubble Safety vs e

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

Head to head
About

Hubble Safety

Features
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Apply for electronic permits and raise safety inspections with Hubble Safety Mobile Application. Key Features: 1. On-the-go submission of permits and inspections 2. Mobile approval system 3. Submit photo proof of safety breaches and rectification 4. Seamless cloud sync Do away with tedious and manual methods of pen and paper. Allow your workforce to be more accountable, productive and achieve higher safety standards.

About

e

Features
Read full description

Permit to Work is digitalized to offer a better solution for Safety Management Team. This is an excellent management software that can be downloaded and used on any mobile device or PC. It’s easy to customize any electronic Permit to Work form app with fields that pertain to your worksite, such as potential hazards, health and safety regulations, electrical work spots, or hazardous energy sites. It also includes data entry for work safety procedures, contractor management names, and permit management. Once our Permit to Work software form has been filled out and all safety measures are completed, your safety executive can sign off on the form electronically. If your property is in compliance, the issuing officer may sign as well, add their comments and email a copy of the permit to the appropriate parties. Throughout the application process, this permit management software keeps your management in control and saves everyone time.

Screenshots

Hubble Safety3 screens
e3 screens

Verdict

The call

The clearest difference is update cadence: e at every 2 weeks against Hubble Safety's every 5 weeks. Hubble Safety's advantage is iOS requirement (11.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Hubble Safety ships an update every 5 weeks, e every 2 weeks. The most recent releases landed on September 13, 2026 and September 15, 2026 respectively.

Scorecard2 real differences Β· 4 level
Hubble Safety versus e: the parameters behind the verdict, then further details
ParameterHubble Safetye
PriceFreeFree
Update frequencyEvery 5 weeksEvery 2 weeks β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS11.0 β€” better16.6
Further details β€” not scored
Size50 MB3 MB
Age rating4+4+
DeveloperHubble Pte LtdShajahan Mohamed

In-app purchases

None

Hubble Safety

No in-app purchases

None

e

No in-app purchases

Questions

Is Hubble Safety free?
Hubble Safety is free to download, with no in-app purchases.
Is e free?
e is free to download, with no in-app purchases.
Do Hubble Safety or e have ads?
Neither Hubble Safety nor e shows ads.
Which is updated more often, Hubble Safety or e?
Hubble Safety ships an update every 5 weeks, and e every 2 weeks. Most recently, Hubble Safety was updated on September 13, 2026 and e on September 15, 2026.

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