Comparison

Data Wallet vs Annotate Audio

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

Head to head
About

Data Wallet

Securely manage your personal information as digital cards for online transactions, travel, and health records. Control what you share and with whom, with auditable receipts for every data exchange. Experience enhanced privacy and security aligned with EU digital identity standards.

Highlights
  • Personal data control
  • Selective disclosure with zero-knowledge proof
  • Secure and auditable data storage
  • Supports legacy X.509 certificates
  • Decentralized app (dApp)
  • Auditable transaction receipts
Features
Read full description

Data Wallet, powered by iGrant.io, is your gateway to the EU Digital Identity Wallet ecosystem. Securely store your personal information as digital cards and use it effortlessly for online transactions, travel, health records, and more. Stay in control of what you share and with whom, backed by receipts for every data exchange based on clear agreements. Experience privacy, security, and accountability in line with EU digital identity standards. Key Features: Personal Data Control: Take charge of your personal information and decide how it's shared. Data Wallet allows you to manage your data cards and choose the level of access granted to different entities. Selective Disclosure with Zero-Knowledge Proof: Data Wallet incorporates the cutting-edge technology of zero-knowledge proofs, ensuring you can selectively disclose specific data attributes without revealing your complete personal information. This feature adds an extra layer of privacy and security to your data exchanges. Secure and Auditable: Our decentralised app (dApp) employs Self-Sovereign Identity technology to protect your data. Additionally, Data Wallet supports legacy X.509 data certificates for enhanced security. Every data exchange transaction generates an auditable receipt, providing transparency and empowering you to exercise your personal data rights. Trust and transparency: iGrant.io, based in Stockholm (Sweden), is a leading personal data exchange and consent mediation platform. We prioritise trust and transparency in handling consumer data, offering businesses and users a privacy-preserving SaaS-based platform. Our solutions are regulatory compliant, easy to access, and designed to enhance your digital life experience. Take back control of your personal data with Data Wallet and experience a new level of privacy, security, and convenience. Download now and join the movement towards a data-empowered future.

About

Annotate Audio

Features
Read full description

Build custom audio classification models directly on your iPhone. Annotate Audio is a complete machine learning toolkit for developers, researchers, and anyone looking to use audio classification who need to collect, annotate, and train audio classification systems. Turn your device into a powerful data collection and simple model training platform. CUSTOM MODEL TRAINING Train your own Core ML sound classification models on-device using your recorded audio data. Perfect for developers building audio-aware applications or researchers creating specialized datasets. INTELLIGENT AUTO-RECORDING Deploy your trained models to automatically detect and record target sounds. Your basic models help collect more training data, creating a self-improving cycle that enhances classification accuracy over time. PROFESSIONAL DATA COLLECTION • Real-time waveform visualization during recording • Manual and automatic recording modes • Background recording with proper iOS session management • Organized file management with classification-based folders SEAMLESS MODEL EXPORT & SYNC • Export trained models for use in other applications • iCloud synchronization across devices • Transfer datasets to more powerful training environments • Compatible with professional ML workflows EXAMPLE USE CASES • Industrial sound monitoring and machinery diagnostics • Bioacoustics research and animal call detection • Environmental audio analysis • Speech pattern recognition • Custom audio trigger systems • IoT and smart home audio classification Built with SwiftUI and optimized for performance with aggressive memory management, background processing, and professional audio session handling. Uses CreateML for on-device training and Core ML for real-time inference. Whether you're prototyping an audio-aware app, collecting research data, or building custom sound detection systems, Annotate Audio provides the complete pipeline from initial recording to deployed classification models. Requires iOS device for model training. Export capabilities enable scaling to more powerful training environments.

Screenshots

Data Wallet4 screens
Annotate Audio3 screens

Verdict

The call

The clearest difference is price: Data Wallet at Free against Annotate Audio's $3.99. Data Wallet also leads on iOS requirement (16.6 vs 18.0). On update cadence, ads, in-app purchases and device support 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

Data Wallet is free to download; Annotate Audio costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Data Wallet ships an update weekly, Annotate Audio every 4 days. The most recent releases landed on September 15, 2026 and September 22, 2026 respectively.

Scorecard2 real differences · 8 level
Data Wallet versus Annotate Audio: the parameters behind the verdict, then further details
ParameterData WalletAnnotate Audio
PriceFree — better$3.99
Rating1.0 (2 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings2 — better—
Update frequencyWeeklyEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone
Requires iOS16.6 — better18.0
Further details — not scored
Size88 MB7 MB
Age rating4+4+
DeveloperiGrant Technologies ABMarco Luthi

In-app purchases

None

Data Wallet

No in-app purchases

None

Annotate Audio

No in-app purchases

Questions

Is Data Wallet free?
Data Wallet is free to download, with no in-app purchases.
Is Annotate Audio free?
Annotate Audio costs $3.99, with no in-app purchases.
Do Data Wallet or Annotate Audio have ads?
Neither Data Wallet nor Annotate Audio shows ads.
Which is updated more often, Data Wallet or Annotate Audio?
Data Wallet ships an update weekly, and Annotate Audio every 4 days. Most recently, Data Wallet was updated on September 15, 2026 and Annotate Audio on September 22, 2026.

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