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Straight answers on kosher phones and kosher devices

104 guides written by the team that builds the complete operating layer for kosher devices — the market, the certifications, the prices, and the first honest look at what a kosher device can finally do.

Buying a kosher phone

Buying a kosher phone

The market, the certifications, the prices, and the questions to ask — before any money changes hands.

Pillar guide Kosher phones in 2026 — the complete guide Every path, every verified price, every certification — and the two things no phone on any list has ever shipped. Buying Guide A kosher phone for a yeshiva bochur What mesivtas and yeshivos expect, which devices fit, and the wake-up problem nobody budgets for. Buying Guide A kosher phone for work Email, banking, navigation — the parnassah exception done right, priced honestly. Buying Guide Can I make my current phone kosher? What's possible for an existing iPhone or Android — and what "kosher" can honestly mean for it. Buying Guide Dumb phone vs kosher phone Silicon Valley's minimalism and Brooklyn's architecture — what each can teach the other. Buying Guide How much does a kosher phone cost? Devices, plans, subscriptions, and the costs nobody prints — the full math, verified July 2026. Buying Guide Kosher phone certification, explained TAG, Letaher, VAADim, MindOS — who certifies what, and why communities differ. Buying Guide Kosher phone stores, city by city Lakewood, Monsey, Boro Park and beyond — the counters, verified, with two closures flagged. Buying Guide Kosher phones: Israel vs America A central committee vs competing certifiers — and what February 2026 taught everyone. Buying Guide Kosher smartphone vs flip phone A decision framework by life-stage — bochur, seminary, parent, parnassah — not a spec sheet. Buying Guide The first phone for a frum teen When, which device, what rules — the whole kitchen-table conversation, structured. Buying Guide The seminary phone guide School rules, Israeli kosher lines, program phones — and the one need no plan ever covered. Buying Guide The TAG approved phone list, explained What approval means, which models are on it, and why the community keeps dated mirrors. Buying Guide What is a kosher phone? The definition, the levels of practice, and the reasoning — explained from inside the fluency.
Family safety

Family safety

The first family safety platform built for the Jewish world — and every question around keeping a family close.

Pillar guide KolBo Safe — the first family safety platform for the Jewish world Real-time family location and arrival alerts, explained for parents. Family Safety Can a flip phone be tracked? Mostly no — with three narrow exceptions and one platform-level answer, all explained. Family Safety Carpool & camp bus logistics The rotation, the bus, the Motzaei Shabbos drive — communal engineering, and its missing instrument. Family Safety Child arrival alerts, explained How arrival and departure alerts work, what they require, and the kosher-native version. Family Safety Family location privacy — the record The Markup's Life360 investigation, the lawsuits, and why "places of worship" lands differently here. Family Safety Family location without an app store Every family app assumes the store. Here is the honest option map for devices without one. Family Safety GPS trackers for frum kids AngelSense, SecuLife, and the watch drawer — when wearables earn their keep, and their limits. Family Safety Staying close to a daughter in seminary The calling side was solved years ago. The "did she land" side never was — until now. Family Safety The kosher Life360 alternative Why the search came up empty for a decade, and what changed — the full comparison.
The kosher internet

The kosher internet

The first kosher Chrome — browsing with protection fused into the build itself.

Pillar guide KolBo Browser — the first kosher Chrome The full Chromium engine, re-engineered with protection fused into the build itself. Kosher Internet A safe browser for kids The bypass list every parent guide buries — and the structural bar a kids' browser must clear. Kosher Internet Kosher internet at home The parnassah-first framework, the current toolbox, and what "protected" is coming to mean. Kosher Internet Kosher internet browsers in 2026 Wrappers, utilities, browser-free phones — and the first browser built kosher itself. Kosher Internet The kosher Chrome alternative Why "alternative" always meant "less" — and the Chromium rebuilt to mean "ours." Kosher Internet Website blocker vs kosher browser The maintenance treadmill of bolt-on blocking, versus enforcement compiled into the artifact.
Email

Email

The first kosher mail client built from scratch — spam defense and child-safe controls in the architecture.

Pillar guide KolBo Mail — the first kosher mail client Built from the ground up — not a reskinned inbox. The whole email story, priced and sourced. Email A kosher Gmail alternative Address lock-in, the dead Basic view, and what an alternative must actually replace. Email Child-safe email, honestly A full Google identity or a browser-based webmail — and the architecture that ends the dilemma. Email Email for the frum business The address is the business — the setups that serve it without opening the browser door. Email Email scam defense for the community Clergy impersonation, fluent AI fraud, mapped targets — the record, and the architectural answer. Email Kosher email services in 2026 Plans, portals, delivery platforms — the whole receive-and-send shelf, priced and sorted.
Phone & text

Phone & text

Calling and messaging rebuilt clean — with the unified contact timeline nobody else ships.

Pillar guide KolBo Phone — calling, rebuilt clean Every call, text, and email with a contact in one timeline — not even Apple or Samsung ships this. Phone & Text Business calls on a kosher phone The voice-first frum business, the robocall weather, and the timeline that works like a CRM. Phone & Text KolBo Text — secured messaging Texting rebuilt on the platform — the security layer inside, the timeline fed with every thread. Phone & Text Kosher texting apps in 2026 Device levels, restricted builds, monitors — the texting shelf sorted, and the built answer. Phone & Text Safe texting for teens The stage, the norms, the seams in every monitoring tool — and safety as architecture. Phone & Text The unified contact timeline Calls, texts, and emails in one view per contact — the moat that needs one builder. Phone & Text Why one company should build all three The platform essay — what becomes possible when the three channels share one author.
WhatsApp & community

WhatsApp & community

Community groups without the account — connection without the exposure.

Pillar guide KolBo WhatsApp — groups without the account The connection people want, minus the exposure they don't — the decade-old dilemma, resolved. Community & WhatsApp Community groups & staying connected The class list, the Tehillim chain, the simcha thread — what the groups actually carry, and how to keep them. Community & WhatsApp Restricted WhatsApp builds, compared The text-only handsets manage the account; the account-free app removes it. The real comparison. Community & WhatsApp WhatsApp alternatives for frum families Signal won't help, hotlines carry half, relays bolt on — the real list, and the real answer. Community & WhatsApp WhatsApp on kosher phones — the options The KosherOS unlock, the beta handset, the relays, the dead paths — the whole shelf, verified. Community & WhatsApp WhatsApp without an account The account was the price of admission — and the exposure. What removing it changes.
Torah library

Torah library

Every sefer, fully offline — a complete beis midrash in your pocket.

Pillar guide KolBo Library — every sefer, offline A complete beis midrash in your pocket that works in a basement, on a plane, anywhere. Torah Library Daf yomi on a kosher phone Phone lines, granted apps, the house tablet — and the library that opens to the right daf itself. Torah Library Digital sefarim vs paper What the bound sefer does that no screen will, what the screen does that no shelf can — honestly. Torah Library Kids' Torah learning, protected The chinuch case for digital sefarim that arrive inside the family's standard, shaped per child. Torah Library Learning on the go, kosher The commute, the wait, the trip — turning scattered minutes into seder with the right architecture. Torah Library The offline sefarim library Dead zones are where found-time learning lives — the case for offline as architecture. Torah Library Torah apps on kosher phones The approval-list reality, the apps worth asking for, and the library that needs no list.
Kosher AI

Kosher AI

A real AI assistant with kosher guardrails engineered in.

Pillar guide KolBo AI — a kosher AI assistant Kosher guardrails engineered in, and safeguards that keep AI out of the wrong hands on kids' devices. Kosher AI A kosher ChatGPT alternative Not a nicer bot on the same open device — the four requirements, and what meets them. Kosher AI AI guardrails, engineered in Why retrofit AI safety degrades and consent-gated controls fail — and the built-in alternative. Kosher AI AI safety for frum families The numbers parents don't have, this week's checklist, and the architecture on the horizon. Kosher AI Is there a kosher AI assistant? Web bots, teen modes, and the assistant with boundaries engineered in — the category, sorted. Kosher AI Keeping AI away from kids The mainstream can't make AI absent — the vendors say so. Deniability as architecture.
Alarm & clock

Alarm & clock

The alarm with accountability — wake up for the daf because someone is counting on you.

Pillar guide KolBo Alarm — accountability built in Let a chavrusa lock your alarm so you can't snooze it — waking as the communal act it always was. Alarm & Clock The alarm on a kosher phone The one app every kosher device kept — and what it looks like finally built for its actual job. Alarm & Clock The chavrusa lock, explained Commitment devices, the mussar of witnesses, and the snooze button that isn't yours to press. Alarm & Clock The morning that runs on zmanim Neitz moves, Shema is a deadline, the shiur floats — the morning's real math, done by the device. Alarm & Clock Waking up for daf yomi The shiur holds the seat; the alarm holds the wake-up — the daf's morning, structured end to end.
The everyday suite

The everyday suite

Twenty-two apps that behave like one product — the everyday tools, app by app.

Pillar guide One platform, 22 apps A bundle is apps sitting next to each other. A platform is apps built for each other. The Platform KolBo Calculator — maaser built in A calculator that knows who's using it — every cheshbon of tzedakah, tracked where it's figured. The Platform KolBo Calendar — the executive calendar Weather and zmanim woven directly into the schedule — planning on the day's real shape. The Platform KolBo Camera — protected capture Sight protection in the capture pipeline itself, every photo syncing to the family's own cloud. The Platform KolBo Cloud — the backbone Sign in once and everything follows you — photos, notes, playlists, contacts — under one security layer. The Platform KolBo Contacts — every shul preloaded One list shared across the suite — tap any entry and Go is already navigating. The Platform KolBo Gallery — the protected album Our own gallery, not a stock viewer — synced to the family's cloud under one security layer. The Platform KolBo Keyboard — Hebrew-first A Hebrew-first keyboard built in-house, paired with kosher video calling — the input layer, owned. The Platform KolBo Notes — following, protected Synced through the family's cloud, dictation-ready via Voice, under the same one security layer. The Platform KolBo Player — music from your cloud Prepare any playlist on your account and the Player streams it to every device you own. The Platform KolBo Voice — dictation everywhere Voice flows into Notes, Mail, and Text — the input layer as a platform service, ours. The Platform KolBo Weather — no feed attached Clean forecasts, zero news feed — integrated into the Calendar so the schedule knows the storm. The Platform KolBo Zmanim — the engine The Calendar schedules around it, the Alarm wakes by it, the Library opens to the daf by it.
The security layer

The security layer

KolBo Secure — protection for any iPhone or Android that nobody can peel off.

Pillar guide KolBo Secure — the security layer The enforcement layer under every KolBo device, available on its own — from $14.99/month. The Security Layer AI sight protection, explained Real-time models screening images, video, and text — shmiras einayim as architecture. The Security Layer Device security for schools The office fleet, the lab, the policy letter — one enforcement layer for the institution's shape. The Security Layer Protect any iPhone or Android The kitchen-table walkthrough — decision to enrolled, self-service, the same evening. The Security Layer Tamper-resistant protection, explained Remove the management layer and the safeguard stays locked — the fail-closed design, unpacked. The Security Layer The parents' device-security guide Every device in the house, sorted into four columns — and the floor that goes under all of them.
For manufacturers

For manufacturers

The complete application layer, ready to license onto your hardware.

Pillar guide For kosher device manufacturers A complete application layer — 22 apps, pre-secured — ready to license. For Manufacturers Licensing the KolBo suite Your hardware, the complete application layer, the update pipeline — the division of labor, stated. For Manufacturers The flagship exclusives Safe and Go are firsts the market has waited a decade for — and the maker who ships them stops competing on price. For Manufacturers The kosher device market, for OEMs Demand signals, the workaround economies, the candid incumbents — the market from the layer above. For Manufacturers The next kosher device The vision essay — what two decades of subtraction earned, and what the built era owes it.
The security layer

Protection for the device already in your pocket

KolBo Secure protects any iPhone or Android — tamper-resistant enforcement, a self-service portal, and real human support. Starting at $14.99/month.

Secure a device

Enrollment, configuration, and billing in one portal — minutes, not appointments.