Comparison

Satodime vs Time Guardian App

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

Head to head
About

Satodime

Securely store, manage, and exchange your cryptocurrencies and NFTs using a smart card. Create multiple vaults, deposit assets, and retrieve private keys with ease, all without account registration. Enjoy off-chain transactions and real-time balance tracking.

Highlights
  • Secure cold storage for crypto assets
  • Create and manage up to 3 vaults per card
  • Deposit and retrieve crypto with QR codes
  • Off-chain exchange of cryptocurrencies and NFTs
  • No account registration or KYC required
  • Multi-crypto support including tokens and NFTs
  • Real-time balance and price tracking
Read full description

This application is the perfect companion to your Satodime smart card, allowing you to physically store, manage and exchange your crypto-currencies. Satodime is the easiest and fastest way to protect your crypto-currencies or other cryptographic assets on cold storage. In a few clicks, create up to 3 vaults per card to store your favorite tokens. Exchange your crypto-currencies and NFTs as you would a banknote without the need for a trusted third party, off-chain. Your vault's private keys are stored and sealed in the chip's secure memory offering added security. Specifications: - No account registration or KYC: scan your card via NFC and operate autonomously. - Multi-crypto support: BTC, XCP, BCH, LTC, MATIC, ETH and ERC-20 and ERC-721 tokens (NFT). - Follow in real time the status of your balances and the price (EUR, USD,...). - The application does not store any sensitive information. - No personal data is collected. - The application is open-source. Features: - Create up to 3 vaults on a single card. - Create a vault in a few clicks (SEAL) and view its content directly. - Deposit your crypto-currencies on this vault easily (deposit address in QR code format). - Retrieve the private key of your vault in a few clicks (UNSEAL). - The application allows you to easily export all the most common private key formats (standard, WIF...). - Delete a vault in a few clicks (RESET). You can reuse your card over and over again (SEAL-UNSEAL-RESET). - The expert mode allows you to use the Testnet, to display additional information and to provide the entropy used to generate the key pairs. Note: Satodime is a product of Satochip S.R.L., Satodime does not sell or provide crypto-currency in any form.

About

Time Guardian App

Features
Read full description

Time Guardian is an application that allows you to transfer your information safely and reliably over long periods of time. Imperishable, it preserves complete confidentiality and ownership of all your data. Revolutionary, this application welcomes all types of media. Therefore, your texts, videos, photos, private keys, files, virtual worlds or contracts can be introduced into your capsule. But it's only on a chosen date or condition that your loved ones will have the joy of discovering them. As you may have guessed, the application allows your important memories to endure. Thanks to it, your stories are passed down from generation to generation. To ensure the security of stored information, the Time Guardian application encrypts everything. The latter authorizes access to your files only through passwords and decryption keys. A 100% secure Time Capsule! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Satodime4 screens
Time Guardian App4 screens

Verdict

The call

The clearest difference is in-app purchases: Satodime at none against Time Guardian App's 10. Time Guardian App's advantage is update cadence (monthly vs every 5 months). On price, ads, device support and iOS requirement 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. Time Guardian App sells 10 in-app purchases, starting at $29.99 per year. Satodime asks for nothing beyond the download.

UpkeepUpdate frequency

Satodime ships an update every 5 months, Time Guardian App monthly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Satodime versus Time Guardian App: the parameters behind the verdict, then further details
ParameterSatodimeTime Guardian App
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings1 — better—
Update frequencyEvery 5 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better16.6
Further details — not scored
Size31 MB88 MB
Age rating4+4+
DeveloperSatochipATHAR OPERATING LTD

In-app purchases

None

Satodime

No in-app purchases

10 purchases

Time Guardian App

Subscriptions10
  • Date + Consent + 2 Gb$29.991 Year
  • Consent + 10 Gb$49.991 Year
  • Will + 1 Gb$49.991 Year
Show 7 more
  • Date + Will + 2 Gb$49.991 Year
  • Date + Consent + 20 Gb$59.991 Year
  • Consent + Will + 2 Gb$69.991 Year
  • Date + Consent + Will + 3 Gb$74.991 Year
  • Date + Will + 20 Gb$99.991 Year
  • Consent + Will + 20 Gb$129.991 Year
  • Date + Consent + Will + 30 Gb$149.991 Year

Questions

Is Satodime free?
Satodime is free to download, with no in-app purchases.
Is Time Guardian App free?
Time Guardian App is free to download, with in-app purchases available.
Do Satodime or Time Guardian App have ads?
Neither Satodime nor Time Guardian App shows ads.
Which is updated more often, Satodime or Time Guardian App?
Satodime ships an update every 5 months, and Time Guardian App monthly. Most recently, Satodime was updated on October 24, 2026 and Time Guardian App on October 30, 2026.

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