Ti84
ti84.ioTi84 is a browser-based TI-84 graphing calculator emulator marketed to students, teachers, and parents, requiring no account or install for basic use. The supplied Terms of Service and Privacy Policy are extremely generic boilerplate documents that are silent on the topics that matter most for an AI/data risk assessment: model training, data retention schedules, deletion rights, opt-out mechanisms, and any compliance certifications. Notably, the product surface describes no AI/ML functionality (it is a calculator emulator), and the policies also contain no AI language, so there is no policy-product mismatch on that front — but the User Content license granted in the Terms is broad, and the near-total silence on privacy rights, retention, and compliance leaves users without meaningful protections. Not recommended for use with sensitive or proprietary data without further contractual assurances, though the risk to a casual user entering math expressions is inherently limited.
AI Transparency Facts
Independent analysis by TermsWatchdog · © 2026 TermsWatchdog
Input Data Ownership
The Terms state users retain rights to content they submit, which is favorable. However, submitting content grants the vendor a broad worldwide license to use, reproduce, modify, and distribute it, which materially undercuts the ownership retention.
Output Data Ownership
Neither document addresses ownership of outputs or results generated through the service. The Terms only assert vendor ownership of the website's own original content and functionality, leaving output ownership undefined.
Training Data Usage
The documents never mention AI models or training. The Privacy Policy does reserve a general right to use information to improve services, and the broad content license could theoretically cover such use, but there is no explicit statement about model training either way.
Data Retention & Deletion
The documents are entirely silent on data retention periods, deletion rights, and deletion procedures. There is no retention schedule, no deletion SLA, and no described mechanism for users to request removal of their data.
Third-Party Data Sharing
The Privacy Policy discloses that third-party companies may be used to facilitate, provide, or analyze the services, but provides no detail on who these parties are, what data they receive, or any limits on their use. There is no mention of selling data, but the disclosure is vague and offers no user control.
Opt-Out Rights
Neither document provides any opt-out mechanism for data collection, analytics use, or third-party sharing. There is no reference to consent management, cookie controls, or any user-facing choice.
Compliance & Certifications
The documents name no regulatory frameworks and no certifications whatsoever. Assessed against the universal baseline (GDPR, CCPA/CPRA, SOC 2, ISO 27001, etc.) and, given the edtech secondary sector, potentially COPPA/FERPA, nothing is mentioned — a significant gap for a tool marketed to students and children.
Model Explainability & Auditability
The product is a calculator emulator with no AI model described, and the documents make no mention of explainability, auditability, or enterprise audit rights. Silence is expected here given the product type but still means no transparency commitments exist.
Security Practices & Breach History
The Privacy Policy offers only a single vague sentence about 'appropriate security measures' with no specifics on encryption, access controls, penetration testing, or incident response. No security page or trust center is referenced, and there are no breach disclosures.
Enterprise vs. Consumer Risk Delta
The product markets itself as free with no account required, and no paid or enterprise tier is described in the documents. There is therefore no disclosed differential data handling, and no enterprise agreement was available to compare.
Human Review of User Inputs
The documents do not explicitly address human review of user inputs. However, the broad content license and the general right to analyze usage to improve services leave open the possibility of staff access without any stated limitation.
Regulatory & Litigation Exposure
The documents contain no references to government data requests, law enforcement cooperation, subpoenas, or litigation. This silence means users have no visibility into how the vendor would respond to such demands.
PII & SPI Data Inventory
The Privacy Policy discloses collection of name, email, contact details, usage data, and device information including IP address, browser type, and operating system — a moderate PII footprint. No sensitive personal information categories are described as collected, though given the tool is marketed to students and children the absence of COPPA-aware disclosures is a concern.
Policy–Product Currency
Both documents are dated 2025/03/10, roughly 18 months before the analysis date, placing them in the 12–24 month window. The product surface describes a browser-based calculator emulator with no AI/ML functionality, and the policies contain no AI language — so there is no AI coverage gap, but the policies are generic boilerplate that only partially address the data flows (analytics, device data) the product implies.
Cross-Document Consistency
Two documents were supplied — the Terms of Service and the Privacy Policy — and no contradictions were found between them. They cover largely non-overlapping topics, and where they touch on shared themes (data use, service improvement) they are consistent.
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