- Starting price
- Free trial; $29 one-time license
- Free tier
- Yes
- Platforms
- macOS 13 and later
- Developer
- Mathias Michel
- Launched
- 2023
- Updated
- Aug 16, 2026
The verdict
RewriteBar is one of the cleanest ways to place AI editing behind a keyboard shortcut across Mail, Word, Slack, browsers, Notion, code editors, and church systems. The $29 lifetime app license is attractive, Pro includes three devices and one Gateway year, and local-model support creates a genuinely private path for suitable hardware and models. The safe setup is not automatic: grant Accessibility permission knowingly, choose the processing route, never rewrite confidential care records through an unapproved provider, protect API keys, verify every factual or theological change, and preserve the writer’s actual voice.
Try RewriteBar ↗Opens rewritebar.com
RewriteBar is a native Mac menu-bar assistant that reads currently selected text, sends it to a chosen language model, and pastes the result back into the originating application. Built-in actions cover spelling and grammar, clarity, tone, simplification, summarization, translation, and prompt improvement, while custom actions let users define recurring transformations and shortcuts.
The application supports three materially different data paths. RewriteBar Gateway sends text through the vendor’s service to OpenAI or OpenRouter-routed models. Bring-your-own-key sends directly from the Mac to a selected provider. Local providers such as Ollama or LM Studio can keep text on the device, subject to the model, software, and machine. The app needs macOS Accessibility access to read selected text and replace it.
Current pricing shows a free trial on one device with one-time credits, Standard at $29 once for one device, updates, BYOK, third-party, and local providers, and Pro at $59 once for three devices plus three million monthly Gateway credits for one year. An extra device is $19 once, and Gateway renews at $40 annually. The pricing and terms disagree on whether the free limit is credits or one hundred requests, so rely on the live account meter.
We reviewed current product, pricing, privacy, terms, subprocessor, and directory material without installing the app, auditing signed binaries, testing every provider, inspecting clipboard behavior, measuring local-model quality, or validating hundreds of languages. The policy says RewriteBar does not store processed text, but cloud providers can have their own abuse, retention, jurisdiction, and content rules.
✓ The good
- Works across apps - selected text can be improved without moving drafts into a separate chatbot
- Three processing paths - Gateway, direct BYOK, and local models provide useful cost and privacy choices
- Low one-time price - Standard and Pro include the native app and continuing updates
- Custom actions - teams can create repeatable transformations for announcements, email, summaries, and style
- Broad model choice - numerous direct and routed providers reduce single-model dependence
- Strong transparency - provider routing, subprocessors, retention, legal identity, and refund rules are substantially documented
- Lightweight native utility - a roughly twenty-megabyte app and shortcuts preserve writing flow
✗ Watch out
- Powerful Accessibility permission - the app can inspect selected text and control replacement across other applications
- Cloud privacy varies - Gateway, OpenRouter, OpenAI, and each BYOK provider have different routing and retention behavior
- Sensitive context can be selected accidentally - pastoral notes, donor data, health details, passwords, contracts, and child information may sit beside ordinary prose
- AI edits can alter meaning - names, dates, doctrine, promises, tone, quotation, and authorship can drift under a fluent rewrite
- Pricing language conflicts - trial credits versus requests and cloud entitlements are not perfectly consistent across current pages
- Mac only - Windows, Linux, ChromeOS, iPhone, and Android users need another workflow
- Lifetime is product-dependent - a one-time license does not guarantee perpetual compatibility, model access, cloud credits, or business continuity
Best for
- Mac users who repeatedly polish nonconfidential email, documents, posts, and internal drafts
- Church communications staff who can approve output and define provider and data rules
- Privacy-conscious users willing to run an appropriate local model or manage their own API keys
- Writers who want reusable transformations without replacing authorship and judgment
Avoid if
- The Mac is shared, unmanaged, or cannot safely grant a third-party app Accessibility control
- Users will process confessions, counseling notes, safeguarding reports, donor records, child data, passwords, or protected information
- The organization needs Windows support, central administration, SSO, DLP, audit logs, procurement commitments, or guaranteed availability
- Staff intend to accept theological, pastoral, factual, legal, or public-facing changes without comparison and named approval
What RewriteBar is
RewriteBar is an interface and routing utility, not one fixed language model. Accuracy, confidentiality, latency, cost, regional processing, and available languages change with the chosen Gateway, direct provider, model, prompt, and local configuration.
Accessibility permission is broader than a browser extension limited to one page. The value is universal reach; the corresponding obligation is device control, trusted distribution, careful selection, and an organizational rule for prohibited data.
Why provider choice matters more than the command menu
Most desktop AI writers make one cloud backend the product. RewriteBar separates the Mac workflow from the model, allowing a user to route an ordinary draft through the Gateway, a specialist model through BYOK, or sensitive low-risk language through a local model.
Local does not automatically mean safe or correct. Confirm that no remote fallback, analytics, crash capture, prompt library, or model download leaks content; encrypt the Mac; and test whether the smaller local model preserves facts and tone before trusting it.
Selected-text rewriting: fast changes in the original context
A shortcut opens actions over text in compatible Mac applications, then replaces or returns an edited version without requiring a manual copy-and-paste chat session.
Always compare before replacing. Preserve version history for public copy, do not select more context than necessary, and watch for hidden content such as quoted email chains or notes inside a document.
Custom commands and translation: reusable workflows need review
Users can create prompts for recurring formats and translate across a very large claimed language range, with performance depending on the model.
Record the purpose and owner of shared commands, prohibit invented facts, specify Scripture editions, and have fluent humans approve important translations. A language count is not a quality guarantee.
Gateway, BYOK, and local models: choose per data class
Gateway is simplest, BYOK provides direct vendor relationships and usage billing, and local engines provide the strongest potential isolation.
Map each route to allowed information. Church announcements may tolerate approved cloud processing; care, giving, minors, employment, access credentials, and legal matters usually should not enter a general AI workflow.
Pricing
Trial
Free
One active device with limited one-time Gateway use plus BYOK and third-party providers. Public pages describe the limit differently; check the app meter.
Standard
$29 one time
One active device, full app, unlimited updates, initial cloud credits, BYOK, third-party providers, and local AI.
Pro
$59 one time
Three active devices plus three million monthly Gateway credits and one year of Gateway access, alongside BYOK and local providers.
Add-ons
$19 device · $40/year Gateway
Extra device activation is one-time; Gateway supplies vendor-managed model access after the included Pro year.
Standard and Pro are one-time application licenses; cloud inference can still carry recurring or usage-based cost.
Pro includes Gateway for one year. Current annual continuation is $40 and uses monthly credit allowances that should be checked against model multipliers.
BYOK charges come from the selected AI provider and are not covered by a ChatGPT, Claude, or other consumer chat subscription.
Published refund windows are generally fourteen days for one-time purchases, thirty days for annual subscriptions, and fourteen days for monthly subscriptions, subject to current terms and law.
Where RewriteBar falls behind
Add signed security documentation for app updates, code signing, auto-update integrity, keychain storage, clipboard handling, Accessibility scope, telemetry, and vulnerability reporting.
Make the active processing route, model, jurisdiction, retention, and estimated cost unmistakable beside every action.
Provide organization policy controls that disable providers, block sensitive apps, enforce local mode, manage commands, and export audit events without capturing text.
Resolve trial credit/request inconsistencies and show exact Gateway model multipliers and exhaustion behavior in one plan table.
Offer Windows and managed-team editions with SSO, deployment controls, DLP integration, shared style rules, and administrative reporting.
RewriteBar vs. Grammarly vs. Apple Writing Tools vs. a chatbot
Grammarly provides mature grammar, style, and organization controls through cloud services. Apple Writing Tools are integrated into supported Apple systems with fewer model choices. A chatbot is flexible but interrupts flow and invites larger copy-pastes. RewriteBar offers the strongest combination of universal Mac selection, custom actions, provider choice, and low one-time price.
Choose RewriteBar when Mac-native speed and routing control matter. Choose Grammarly for standardized team writing governance, Apple tools for built-in simplicity, and a full chatbot for longer conversational research that will be sourced and reviewed.
A church can use different tools by data class: local or conventional editing for confidential drafts, RewriteBar for non-sensitive transformation, and a researched assistant for public content that needs sources.
The bottom line
RewriteBar is a thoughtfully priced, unusually open Mac writing assistant. Its real advantage is not another grammar button but the ability to keep one interface while changing who processes the text—including a local model. That power raises the need for visible routing and strong device policy. Use minimal selections, approved providers, local processing when appropriate, protected API keys, and human comparison. It can speed church communications without making a language model the author, editor, theologian, or custodian of confidential ministry information.
Alternatives to RewriteBar
Frequently asked questions
How much does RewriteBar cost?
The trial is free, Standard is $29 once for one device, and Pro is $59 once for three devices plus one Gateway year. Gateway then lists at $40 annually.
Does it work in every Mac app?
It works in most applications and webpages that expose selectable editable text, using macOS Accessibility and clipboard-related workflows.
Does RewriteBar store my text?
The vendor says it does not store processed text. Gateway and external AI providers still process it under their policies; local models can keep it on-device.
Can it use a local AI model?
Yes. Current material names local-provider support such as Ollama and LM Studio, depending on compatible setup and model capability.
Do I need ChatGPT Plus?
No. Consumer chat subscriptions do not include API use. Choose Gateway, a separately billed API key, or a local model.
Why does it need Accessibility permission?
That permission allows it to read currently selected text and replace it inside other apps. Grant it only on a trusted managed Mac.
Can church staff use it for pastoral records?
Do not send confidential care, minors, giving, health, legal, safeguarding, or credential data through an unapproved AI route. Use organizational policy and minimal data.
Sources & further reading
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