Comparison

Digicard Key vs Room Key

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

Head to head
About

Digicard Key

Verify the authenticity of tagged items by scanning NFC tags. Access detailed information, origin, and ownership history stored on a blockchain. Claim ownership of items and ensure their provenance.

Highlights
  • Scan NFC tags
  • Verify item authenticity
  • View item information and history
  • Claim item ownership
  • Blockchain-recorded data
  • Supply chain verification
Read full description

The Digicard Key mobile application helps users verify the authenticity of tagged items on the Digicard Key Network. This app is used to scan NFC tags affixed to items on the Network. Items are linked to Digital Landing Pages containing the item’s information, source of origin, supply chain verification points, and history of ownership. Users may also claim ownership of items by proving items are in their possession. Tagged items cannot be replicated and all scan data is recorded to blockchain making the information captured immutable. For assurance and confidence, buyers, collectors, and investors should demand Digicard Key.

About

Room Key

Unlock your door using your smartphone. This app eliminates the need for physical keycards or fobs, allowing you to simply present your phone to the lock for access.

Highlights
  • Unlock doors using smartphone
  • Replaces keycards and fobs
  • Simple phone-to-lock interaction
  • Convenient access solution
Features
Read full description

With Room Key, you can unlock your door with your phone. No more lost keycards or fobs. Just present your phone to the lock to open your door.

Screenshots

Digicard Key4 screens
Room Key3 screens

Verdict

The call

The clearest difference is ads: Room Key at none against Digicard Key's shown. Room Key also leads on update cadence (every 3 weeks vs every 4 months) and monetization model (free vs ad-supported). On price, rating, ratings volume and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Digicard Key against 5.0 for Room Key. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

UpkeepUpdate frequency

Digicard Key ships an update every 4 months, Room Key every 3 weeks. The most recent releases landed on September 30, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 6 level
Digicard Key versus Room Key: the parameters behind the verdict, then further details
ParameterDigicard KeyRoom Key
PriceFreeFree
Rating5.0 (2 ratings)5.0 (3 ratings)
Number of ratings23 — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size33 MB4 MB
Age rating4+17+
DeveloperDigicard Key LLCKohost LLC

Customer experience

Digicard Key

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Room Key

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Digicard Key

No in-app purchases

None

Room Key

No in-app purchases

Questions

Is Digicard Key free?
Digicard Key is free to download, with no in-app purchases.
Is Room Key free?
Room Key is free to download, with no in-app purchases.
Which has better reviews, Digicard Key or Room Key?
Digicard Key and Room Key are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.
Do Digicard Key or Room Key have ads?
Digicard Key shows ads; Room Key does not.
Which is updated more often, Digicard Key or Room Key?
Digicard Key ships an update every 4 months, and Room Key every 3 weeks. Most recently, Digicard Key was updated on September 30, 2026 and Room Key on October 4, 2026.

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