Smart vs RIA DigiDoc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart
Securely authenticate your identity for online services, banking, and transactions. It offers legally recognized digital signatures and allows access across multiple devices. Registration is simple and the service is free to use.
- Online authentication
- Digital signatures
- Access e-services
- Confirm transactions
- Multi-device access
- Secure key management
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Smart-ID is the easiest, most convenient and safest way to authenticate yourself online – check your online bank account, access e-services and confirm transactions. Smart-ID allows you to give signatures equal to handwritten signatures (except Basic level), which complies with EU regulations about qualified electronic signatures. Smart-ID is currently available for: - Estonian, Latvian, Lithuanian residents - Estonian e-residents - Belgium residents EASY Get started by downloading Smart-ID app. Follow the steps in the app to confirm your identity and complete the registration process. Once you’ve done that, you’re good to go – no other confirmation needed! CONVENIENT Your Smart-ID is always within an easy reach! You can use Smart-ID in as many smart devices as you want and gain access to your online accounts across all of them any time, any place. Using Smart-ID is free and totally unlimited. SAFE Smart-ID app does not store your identity or PIN codes. The app is used for key management: it creates your private keys while account registration and later mediates authentication and signature requests. User identity is managed securely by the service provider. A technology has been used in this product for which Cybernetica AS has filed a patent application or a patent has been granted. Try out Smart-ID, visit portal.smart-id.com!
RIA DigiDoc
Digitally sign, verify, encrypt, and share documents on mobile devices. Supports Estonian ID card, NFC, Mobile-ID, and Smart-ID for secure document handling. Also allows checking ID card certificate validity and managing PIN codes.
- Digital document signing
- Signature validity verification
- Document encryption and decryption
- File saving and sharing
- Estonian ID card integration
- Mobile-ID and Smart-ID support
- ID card certificate validation
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RIA DigiDoc is an application that allows you to digitally sign documents, verify the validity of digital signatures, encrypt and open, save and share files on mobile devices using the Estonian ID card, NFC, mobile-ID and Smart-ID. Encryption / decryption via RIA DigiDoc only works via the Estonian ID card and a supported reader. Containers with the .ddoc, .bdoc and .asice extensions are supported. With the RIA DigiDoc application, you can check the information and validity of ID card certificates and change PIN and PUK codes. The “My eIDs” menu displays the ID card owner’s data and ID card validity information. This information is only visible when the ID card is connected. Requirements for use with an ID-card: Feitian iR301U https://www.ftsafe.com/Products/Card_Reader/iOS_Reader/Specification App requires iOS 16 or later.
Screenshots
Verdict
The clearest difference is review sentiment: Smart at 66% against RIA DigiDoc's 0%. Smart also leads on rating (4.5 vs 2.3) and ratings volume (664 vs 3). On price, update cadence, ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Smart holds the better App Store score, 4.5 against 2.3. That said, the two scores are not equally well evidenced: Smart has 664 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 66% of Smart's written reviews are positive against 0% of RIA DigiDoc's.
Smart ships an update every 6 weeks, RIA DigiDoc every 3 months. The most recent releases landed on September 23, 2026 and July 7, 2026 respectively.
| Parameter | Smart | RIA DigiDoc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (664 ratings) — better | 2.3 (3 ratings) |
| Positive reviews | 65.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 664 — better | 3 |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 82 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | SK ID Solutions AS | Riigi Infosusteemi Amet |
Customer experience
Smart
RIA DigiDoc
Bugs and requests
Smart
Reported bugs
3 issues- App crashes or freezes
- Authentication codes not working
- Compatibility issues with newer OS versions
Requested features
3 requests- Face ID or fingerprint authentication
- Improved support for device changes
- Better guidance for setup and troubleshooting
RIA DigiDoc
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Smart
No in-app purchases
RIA DigiDoc
No in-app purchases
