API Vault vs Harness
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
API Vault
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Initial Launch (v1.0.0): Welcome to the API Vault. • The Neural Console: Stress-test prompts in real-time with our signature Liquid Glass interface. • Global Multi-Node Access: Seamlessly route requests to Node O and Node D • Asset Vending: Instantly mint production-ready Vault Keys directly to your device via Apple Pay. • Universal Ledger: Track your Compute Unit balances in real-time with zero latency. Welcome to the future of AI Compute management. API Vault is the world’s most advanced mobile gateway for developers and engineers who demand high-speed, secure, and portable access to the world’s leading neural networks. Stop managing multiple billing accounts and start managing your Neural Assets. THE NEURAL CONSOLE Experience our signature Liquid Glass terminal. A high-performance interface designed for the year 2030, allowing you to stress-test prompts against top-tier LLM nodes in real-time. Whether you’re debugging code or architecting complex workflows, the Console provides instant, low-latency feedback. UNIVERSAL VAULT KEYS Purchase Compute Units once and deploy them anywhere. API Vault generates unique, secure Vault Keys that you can copy and integrate into your own apps, websites, or Python scripts. • Multi-Node Access: Power your projects with leading models using a single unified balance. • Zero Subscription Friction: No monthly fees. Buy what you need, use it when you want. ENTERPRISE FEATURES • Universal Ledger: Track your "Global Multi-Node" assets with a high-precision live balance tracker. • One-Tap Integration: Copy your production-ready keys directly to your clipboard for immediate deployment. • Atomic Security: Your keys are secured via hardware-level encryption and synced with our high-speed proxy. HOW TO USE: Acquire Compute: Select your credit pack in the Market tab. Generate Asset: Your unique Vault Key is instantly minted in your Secure Vault. Deploy: Copy the key and plug it into your project’s API header to start hitting nodes immediately. LEGAL NOTICE & DISCLAIMER API Vault provides a technical proxy interface for third-party AI models. API Vault is an independent developer utility and is not affiliated with, endorsed by, or partnered with OpenAI, DeepSeek-AI, or ElevenLabs. All product names, logos, and brands are property of their respective owners. Use of these names in this application is for identification purposes only. https://docs.google.com/document/d/1shg5wz2N9E4xoMuAxI0RZvvdLvNVRFA_VUpNVSXbCXY/edit?usp=sharing https://docs.google.com/document/d/1QuxiMv8ArpZamdfZPzn-9rGy0plC-un8cB583HdNXGQ/edit?usp=sharing
Harness
Manage AI agents remotely from your phone. Monitor progress, answer questions, and assign new tasks to your agents, no matter where you are.
- Remote AI agent management
- Monitor agent progress
- Answer agent queries
- Assign next tasks
- Mobile accessibility
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At the beach. In a taxi. Away from your desk. Your agents keep working—and you can check progress, answer questions, and give them their next task, right from your phone.
Screenshots
Verdict
The clearest difference is in-app purchases: Harness at none against API Vault's 3. Harness also leads on iOS requirement (15.0 vs 17.6). On price, ads 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
Both are free to download. API Vault sells 3 one-off in-app purchases. Harness asks for nothing beyond the download.
| Parameter | API Vault | Harness |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (2 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | — | Every 2 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 43 MB |
| Age rating | 4+ | +4 |
| Developer | NICHOLAS ERWIN HEITKAMP | Autonomous Inc. |
In-app purchases
API Vault
- Node O Compute Pack$4.99
- Node D Compute Pack$4.99
- Neural Voice Compute Pack$9.99
Harness
No in-app purchases









