Comparison

PopNLock vs E

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

Head to head
About

PopNLock

Access your coworking space using your email address. This app allows entry to electronically locked doors by verifying your email against a pre-approved list. No hardware syncing is necessary.

Highlights
  • Email-based entry
  • Electronic door unlocking
  • No hardware syncing
  • Coworking space integration
  • Secure access management
Features
Read full description

Give your email to your coworking space then use this app to get entry! You will just log in (no syncing with hardware required) - your coworking space has taken care of setting up an electronically locked door and adding your email to the list that is allowed to unlock the door.

About

E

Features
Read full description

Easy to use and powerful, E-Register is a great solution for businesses of all sizes. It allows you to track any workflow as per your business. Finally a solution that adapts to your business instead of the other way around. The key benefits are:- - Bring all your data in one place - Allow for easier and more secure collaboration as compared to spreadsheets - Significant savings on time and money as compared to using separate applications or building custom ones To setup a new account, please visit https://eregister.app to book a call or sign up. - Monitor any process with the help of reviews and notifications

Screenshots

PopNLock3 screens
E4 screens

Verdict

The call

The clearest difference is update cadence: E at every 2 weeks against PopNLock's every 22 months. PopNLock's advantage is iOS requirement (13.4 vs 15.0). 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

PopNLock ships an update every 22 months, E every 2 weeks. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
PopNLock versus E: the parameters behind the verdict, then further details
ParameterPopNLockE
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 22 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.4 — better15.0
Further details — not scored
Size21 MB68 MB
Age rating4+4+
DeveloperJohn LangeWit By Bit Private Limited

In-app purchases

None

PopNLock

No in-app purchases

None

E

No in-app purchases

Questions

Is PopNLock free?
PopNLock is free to download, with no in-app purchases.
Is E free?
E is free to download, with no in-app purchases.
Do PopNLock or E have ads?
Neither PopNLock nor E shows ads.
Which is updated more often, PopNLock or E?
PopNLock ships an update every 22 months, and E every 2 weeks. Most recently, PopNLock was updated on October 10, 2026 and E on October 8, 2026.

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