Comparison

VIDwallet 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

VIDwallet

Manage your digital credentials securely and log in to enabled websites with ease. This digital wallet is part of a decentralized identity service, giving users control over their online presence and facilitating secure access.

Highlights
  • Manage Verifiable Credentials
  • Effortless SSI website authentication
  • Decentralized Self-Sovereign Identity
  • Regain control of digital identity
  • Secure access to online services
Features
Read full description

VIDwallet is a digital wallet that allows you to manage your Verifiable Credentials and enables you to authenticate and login without effort to any enabled SSI website. VIDwallet is part of VIDchain, our decentralized Self-Sovereign Identity (SSI) services that help companies and citizens alike to regain control over their digital identity and facilitate secure access to online services.

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

VIDwallet4 screens
Annotate Audio3 screens

Verdict

The call

The clearest difference is price: VIDwallet at Free against Annotate Audio's $3.99. VIDwallet also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). Annotate Audio's advantage is update cadence (every 4 days vs every 2 months). On ads and in-app purchases there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

VIDwallet 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

VIDwallet ships an update every 2 months, Annotate Audio every 4 days. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

Scorecard4 real differences Ā· 4 level
VIDwallet versus Annotate Audio: the parameters behind the verdict, then further details
ParameterVIDwalletAnnotate Audio
PriceFree — better$3.99
Positive reviews100.0% of reviews—
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better18.0
Further details — not scored
Size37 MB7 MB
Age rating4+4+
DeveloperValidated IDMarco Luthi

In-app purchases

None

VIDwallet

No in-app purchases

None

Annotate Audio

No in-app purchases

Questions

Is VIDwallet free?
VIDwallet is free to download, with no in-app purchases.
Is Annotate Audio free?
Annotate Audio costs $3.99, with no in-app purchases.
Do VIDwallet or Annotate Audio have ads?
Neither VIDwallet nor Annotate Audio shows ads.
Which is updated more often, VIDwallet or Annotate Audio?
VIDwallet ships an update every 2 months, and Annotate Audio every 4 days. Most recently, VIDwallet was updated on September 20, 2026 and Annotate Audio on September 22, 2026.

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