Registry vs Presto Voice
Side-by-side comparison of features, pricing, and ratings
At a glance
| Dimension | Registry | Presto Voice |
|---|---|---|
| Pricing | Free (open source) | Contact for pricing |
| Target Market | Developers building ACP-compatible clients | QSR chains with drive-thrus |
| Key Feature | Curated agent discovery with authentication | Automated order taking with up to 95% non-intervention |
| Integrations | GitHub, Zed Industries, JetBrains | ElevenLabs, POS systems, Headset systems |
| Platform Type | Agent registry / directory | Voice AI automation platform |
| Open Source | Yes (GitHub) | No |
The ACP Registry is one JSON endpoint listing every ACP-compatible coding agent you can install and authenticate.
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Presto Voice is drive-thru voice AI that takes QSR orders and upsells every car at the speaker post.
Visit WebsiteWhat real users say: Registry vs Presto Voice
Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.
Registry
No verifiable community signal. We scanned public discussion on Jul 3, 2026 and found posts matching the name “Registry”, but could not establish that they are about this product rather than something else sharing its name. Rather than publish a score built on the wrong subject, we publish none.
Presto Voice
37 mentions across 3 sources · 32% positive — critical (weighted across 3 sources)
YouTube, App Store, Lemmy
What users praise
- • Handles POS and headset integration itself, so voice AI goes live in an active lane without pausing service
- • Built specifically for multi-location QSR franchise groups, not single shops or dine-in concepts
- • Continuous upselling of add-ons and specials on every transaction targets average-order-value lift
- • 24/7 drive-thru ordering availability removes the labor constraint of shift coverage at the speaker post
What frustrates them
- • Almost no independent, on-topic community reviews — the dataset is dominated by unrelated same-name products
- • Vendor-published KPIs (95% non-intervention, 88% upsell, 6% lift) lack third-party verification
- • Won't hand over the model to tune, which blocks teams that want to own and iterate on the voice stack
- • Only Toast is documented as a named POS integration in the available data
Researched Oct 14, 2026
Who should pick which
- Developer building an ACP clientPick: Registry
Registry provides a free, searchable index of authenticated agents with JSON endpoint, perfect for integrating agent discovery into your client.
- Agent creator seeking distributionPick: Registry
Registry offers a GitHub-based submission workflow and versioning, giving your agent visibility to ACP-compatible clients.
- QSR chain operatorPick: Presto Voice
Presto Voice automates drive-thru orders with voice AI, reduces staff burden, and increases average order value via upselling.
- Franchise network managerPick: Presto Voice
Presto Voice supports multi-location deployment and integrates with major POS systems, ideal for standardization across franchises.
Frequently Asked Questions
Can I use Registry to find agents that work with any client?
No, Registry only lists agents that implement the Agent Client Protocol (ACP) and support authentication.
Does Presto Voice require hardware installation?
Presto Voice integrates with existing headset and POS systems, with easy installation at scale and minimal disruption.
Is Registry only for coding agents?
No, Registry supports multiple agent types including general-purpose agents, not just coding.
What kind of ROI can I expect from Presto Voice?
Presto Voice reports up to 6% monthly incremental revenue via upselling and up to 95% non-intervention rates, reducing labor costs.
Can I submit my own agent to Registry?
Yes, Registry is open source on GitHub and accepts community contributions via pull requests following the agent.json schema.
Does Presto Voice support phone ordering?
Yes, Presto Voice includes phone ordering automation in addition to drive-thru voice AI.
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Last reviewed: July 3, 2026