Comparison

KeyPlus vs KeyPlus3

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

Head to head
About

KeyPlus

Features
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KeyPlus is an automated rent management system. KeyPlus is an integrated system designed with simplicity in mind. It provides many 1st-in-the-market total solutions for property management company, homestay/ short stay operator as well as any owner/ landlord renting out their property(ies). KeyPlus system provides a total rent management solution by combining Proptech + Fintech + IoT under one integrated platform. KeyPlus provides access management by integrating with IoT Smart lock system, innovative payment solution with auto rental collection (ARC) system, on-the-go tenant management over the cloud, smart energy meter as well as automated administration process. KeyPlus aims to disrupt and redefine the rent management market by leveraging latest technology to fully automate the rent management system, makes the business sustainable and scalable. By using KeyPlus platform, we can minimize the administration work by 90%, and tri-fold our business with even lesser resources. KeyPlus platform, a complete rent solutions.

About

KeyPlus3

Features
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Special Key KeyPlus provides customers with a unique experience. Creating a world where you can easily control and share car doors with just one phone, enabling a special life. The one thing that turns my car into a smart car is Special Key KeyPlus. YouTube Introduction Video: https://www.youtube.com/watch?v=rcryNcxolg8&t=2s Company Website: http://smartkeyplus.com/ Blog: https://blog.naver.com/sokeyplus

Screenshots

KeyPlus4 screens
KeyPlus34 screens

Verdict

The call

The clearest difference is update cadence: KeyPlus3 at every 3 weeks against KeyPlus's every 7 months. KeyPlus's advantage is iOS requirement (9.0 vs 15.0). 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

KeyPlus ships an update every 7 months, KeyPlus3 every 3 weeks. The most recent releases landed on September 21, 2026 and September 8, 2026 respectively.

Scorecard2 real differences Β· 4 level
KeyPlus versus KeyPlus3: the parameters behind the verdict, then further details
ParameterKeyPlusKeyPlus3
PriceFreeFree
Update frequencyEvery 7 monthsEvery 3 weeks β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS9.0 β€” better15.0
Further details β€” not scored
Size82 MB30 MB
Age rating4+4+
DeveloperSeng Hee LeeSpecial One Co., Ltd.

In-app purchases

None

KeyPlus

No in-app purchases

None

KeyPlus3

No in-app purchases

Questions

Is KeyPlus free?
KeyPlus is free to download, with no in-app purchases.
Is KeyPlus3 free?
KeyPlus3 is free to download, with no in-app purchases.
Do KeyPlus or KeyPlus3 have ads?
Neither KeyPlus nor KeyPlus3 shows ads.
Which is updated more often, KeyPlus or KeyPlus3?
KeyPlus ships an update every 7 months, and KeyPlus3 every 3 weeks. Most recently, KeyPlus was updated on September 21, 2026 and KeyPlus3 on September 8, 2026.

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