Comparison

Unify vs Kryptodian Cold Signer

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

Head to head
About

Unify

Features
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Peer to peer payjoin transactions powered by Nostr!

About

Kryptodian Cold Signer

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Kryptodian Cold Signer is a companion app designed to work with the Kryptodian web application. The app securely generates a cryptographic keypair using the Secure Enclave on the device for the organization’s Admin. It leverages the private key to sign requests initiated from the Kryptodian website, ensuring secure and authenticated communication. The signed requests are then sent back to the Kryptodian API, allowing the Admin to approve or reject actions directly from their device. We are adding an extra layer of security for the Admin of an organization that manages significant cryptocurrency balances. Many critical requests initiated within the organization require verification and approval from the Admin. To enhance the security of these approvals, we chose to build this application specifically for Apple devices, leveraging the Secure Enclave and the trusted security features provided by Apple hardware and iOS.

Screenshots

Unify3 screens
Kryptodian Cold Signer4 screens

Verdict

The call

Unify and Kryptodian Cold Signer are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Unify ships an update fortnightly, Kryptodian Cold Signer every 2 weeks. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

ScorecardNo meaningful differences
Unify versus Kryptodian Cold Signer: the parameters behind the verdict, then further details
ParameterUnifyKryptodian Cold Signer
PriceFreeFree
Update frequencyFortnightlyEvery 2 weeks β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad β€” betteriPhone
Requires iOS17.016.0 β€” better
Further details β€” not scored
Size15 MB55 MB
Age rating4+4+
DeveloperDenton LLCKryptodian Limited

In-app purchases

None

Unify

No in-app purchases

None

Kryptodian Cold Signer

No in-app purchases

Questions

Is Unify free?
Unify is free to download, with no in-app purchases.
Is Kryptodian Cold Signer free?
Kryptodian Cold Signer is free to download, with no in-app purchases.
Do Unify or Kryptodian Cold Signer have ads?
Neither Unify nor Kryptodian Cold Signer shows ads.
Which is updated more often, Unify or Kryptodian Cold Signer?
Unify ships an update fortnightly, and Kryptodian Cold Signer every 2 weeks. Most recently, Unify was updated on November 4, 2026 and Kryptodian Cold Signer on October 25, 2026.

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