Comparison

OTAC auth vs GoGreenEnergy

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

Head to head
About

OTAC auth

Features
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Experience rapid and secure user/device authentication through OTAC's 8-character code. โ— Quick and Easy, No Registration: Streamlined authentication without the hassle of sign-up or login processes. Your privacy is paramount; no personal information required. โ— Secure Authentication with OTAC Code: Ensure robust security with time-sensitive OTAC codes. Safely access your accounts using a code that expires after a specific duration. โ— Manage Multiple Accounts Easily: Effortlessly authenticate multiple accounts using a single OTAC auth app. Register and manage up to 20 accounts securely.

About

GoGreenEnergy

Features
Read full description

Main functions: 1, scanning code charging: Just scan the two-dimensional code on the charging pile, you can immediately start charging, without complex operations. 2, wide coverage: Connect many charging piles, cover major cities and regions, ensure that you can always find available charging stations. 3, real-time monitoring: check the charging progress at any time, master the charging status. 4, automatic reminder: after the charging is completed, the automatic notification is sent to avoid the risk of overcharging. Simple interface: The interface design is simple and clear, easy to operate.

Screenshots

OTAC auth4 screens
GoGreenEnergy3 screens

Verdict

The call

The clearest difference is iOS requirement: GoGreenEnergy at 13.0 against OTAC auth's 15.0. On price, update cadence, ads and in-app purchases 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

OTAC auth ships an update every 6 weeks, GoGreenEnergy every 5 weeks. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

Scorecard1 real difference ยท 5 level
OTAC auth versus GoGreenEnergy: the parameters behind the verdict, then further details
ParameterOTAC authGoGreenEnergy
PriceFreeFree
Update frequencyEvery 6 weeksEvery 5 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS15.013.0 โ€” better
Further details โ€” not scored
Size10 MB44 MB
Age rating4+17+
DeveloperswIDch LimitedZhejiang Zhenwan Technology Co.,Ltd.

In-app purchases

None

OTAC auth

No in-app purchases

None

GoGreenEnergy

No in-app purchases

Questions

Is OTAC auth free?
OTAC auth is free to download, with no in-app purchases.
Is GoGreenEnergy free?
GoGreenEnergy is free to download, with no in-app purchases.
Do OTAC auth or GoGreenEnergy have ads?
Neither OTAC auth nor GoGreenEnergy shows ads.
Which is updated more often, OTAC auth or GoGreenEnergy?
OTAC auth ships an update every 6 weeks, and GoGreenEnergy every 5 weeks. Most recently, OTAC auth was updated on September 17, 2026 and GoGreenEnergy on September 10, 2026.

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