--- title: "Tili · Interactive Lessons, Online Classroom & Homework for Language Tutors" canonical_url: "https://ontili.com/" last_updated: "2026-09-03T14:14:59.060Z" meta: description: "Prep in 5 minutes, teach on any screen, and skip manual grading. Students join by link — no signup required." "og:description": "Prep in 5 minutes, teach on any screen, and skip manual grading. Students join by link — no signup required." "og:title": "Tili · Interactive Lessons, Online Classroom & Homework for Language Tutors" "twitter:description": "Prep in 5 minutes, teach on any screen, and skip manual grading. Students join by link — no signup required." "twitter:title": "Tili · Interactive Lessons, Online Classroom & Homework for Language Tutors" --- [Tili](https://ontili.com/) The toolkit for language tutors # **Prep in 5 minutes. Teach live. **Auto-graded homework.** ** Ready catalog lessons or your own in about five minutes. Students join by link — no signup — answers check themselves while you teach on Zoom or Meet. [Start 14-day free trial](https://ontili.com/register) [Browse lesson catalog](https://ontili.com/catalog) Free for 14 days · No credit card required · Students join with a link Instant link join for students 0 min setup required One lesson, two screens. Students answer on their own device — you watch every answer arrive already checked, in real time. **Student's screen** ontili.com/s/lesson **Past Simple — a trip to London ** Synced with teacher **When do we use the Past Simple? ** We use the past simple for actions that finished in the past — it's the tense of stories and travel diaries. Yesterday I packed my bag and caught the early train. Regular verbs take **-ed**. Irregular verbs change completely: go → **went**, catch → **caught**. **Multiple choice ** Last summer we \_\_\_\_ to London. goed went gone Exercise 3 of 6Vocabulary: 12 words **Teacher's screen** ontili.com/t/live **LIVE ****A **Alex2 / 6 **When do we use the Past Simple? ** We use the past simple for actions that finished in the past — it's the tense of stories and travel diaries. Yesterday I packed my bag and caught the early train. Regular verbs take **-ed**. Irregular verbs change completely: go → **went**, catch → **caught**. **Multiple choice ** Presenting… Last summer we \_\_\_\_ to London. goed went gone 3 456 Vocab drawer ## **How it works** Catalog · Editor · AI **1** ### **How do I get a lesson ready?** Grab one from the catalog, build your own, or let AI draft it. Lesson or deck — same stack. **T****You** **A****Alex** **2** ### **Do I replace Zoom or Meet?** No. Keep your regular call (or teach in the room). Tili runs alongside as the interactive lesson screen. **You** **Alex** ClassroomPresenter mode **3** ### **How do students see the lesson?** Remote: they open your link — no signup — and answers arrive auto-checked. In front of a screen: open presenter mode and teach from your teacher panel. ClassroomPresenter mode Homework **8 / 10** Vocabulary **+12 words** **4** ### **What do I send after class?** Assign auto-checked homework with a deadline and watch vocabulary and progress grow. **Deliver** ## **One lesson. Two ways to teach it.** The same lesson works as an interactive document in a classroom, or as a deck on the big screen. Prep once, teach either way — and keep your Zoom or Meet call; Tili runs alongside it. [Classroom](https://ontili.com/features/live) [Presenter mode](https://ontili.com/features/presenter) Interactive Room ### **Classroom — for remote lessons** Send a link; your students join from any browser — no signup, any device. You spotlight a block and it lights up on their screens. Answers arrive already checked while you talk. - **Students join by link — no accounts** - **Answers arrive auto-checked, in real time** - **Works for 1-on-1 and groups** **Teacher's screen** ontili.com/t/live **Past Simple — a trip to London ** **LIVE ** **Multiple choice** Last summer we **went ** to London. **A ** went **M ** went New ### **Presenter mode — for the big screen** Put the lesson on a projector, a second display, or your shared screen. You keep a teacher panel: current slide, next slide, private notes, a timer. They see a clean stage — plus your laser pointer and ink. - **Teacher panel with next-slide preview, notes, and timer** - **Laser pointer and freehand drawing, live on the audience screen** - **Reveal steps, slide overview, screen recording with camera** Dual-Screen Presenter Cockpit below **Teacher laptop** ontili.com/t/present Slide 4 / 1218:24 REC 02:10 **Past Simple — Travel ** Last summer we **\_\_\_** to London. - • Finished actions in the past - • Irregular: go → **went ** - • Ask: Where did you go last summer? Next **Irregular verbs — quiz ** Notes Ask about her trip first · drill went / saw · 2 min max **extends to** **TV / projector** **Past Simple — Travel ** Last summer we **\_\_\_** to London. - • Finished actions in the past - • Irregular: go → **went ** - • Ask: Where did you go last summer? Both windows run on your machine — drag the audience window to the second screen, or share it in your call. ## **From blank screen to lesson in five minutes** Grab a ready lesson, build your own, or generate a draft — then turn any of them into a deck. [How prep works →](https://ontili.com/features/prep) Ready Content ### **Pick a ready-made lesson** A growing catalog of ready lessons. Pick one and assign or teach it right away — no prep. Editing is optional. - **A growing library of ready lessons** - **Interactive, not a PDF — auto-checked** - **Pick → assign or start teaching** **A2** **Use** **Past Simple basics** **B1** **Use** **Travel & airports** **B2** **Use** **Job interview** **A2** **Use** **Food & menus** Notion-style Editor ### **Make any lesson your own** Open any catalog lesson in the editor and change anything — or build from scratch. Want a head start? Generate a draft with AI and tweak it. - **A range of interactive exercise types** - **An AI lesson draft in seconds** - **A lesson in 5 minutes, not 30** **B** *I* **H** **slash ** **Past Simple — a trip to London** **Fill the gap** Last summer we **went** to London and \_\_\_\_ the river. saw crossed visited Auto-checked7 / 10 Lesson → Deck ### **Turn it into a deck** Any lesson becomes slides for presenter mode — reveal steps included. Or describe a topic and let AI draft the deck for you. **Past Simple** **Travel vocab** **Irregular quiz** **Speaking** **Follow up** ## **The lesson doesn't end when the call does** Assign auto-checked homework in one click — reuse a ready one, or generate it with AI from the lesson, your student's vocabulary, and the exercise types you choose. Then watch vocabulary and progress grow on their own. [How homework & vocab work →](https://ontili.com/features/homework) - **One-click homework with deadlines — assigned to graded, auto-checked** - **AI homework from a lesson, topic, and your student's vocabulary** - **Per-student vocabulary with mastery levels and flashcard review** **Generate homework with AI** **Topic**Past Simple — travel **A1****A2****B1****B2****C1****C2** **Fill the gap**** Multiple choice**** True / false** **Generate** **or pick a ready homework** **B1**** Use** **Past Simple · Travel** 6 exercises · auto-checked **A2**** Use** **Daily routines** 6 exercises · auto-checked ## **Simple, honest pricing** Start with a 14-day Studio AI trial — no card required. Then stay free on Solo, or upgrade. **Founder pricing — limited · Save up to $50/year** **Solo** Teach 1-on-1 with ready-made lessons. **$0** **free forever** - Assign lessons from the catalog - Teach live — link room or presenter mode - Up to 5 students - Vocabulary & progress tracking [Start free forever](https://ontili.com/register) **Starter** Build your own lessons and teach groups. **$10** **per month** - Everything in Solo - Create your own lessons (full editor) - Group classes & unlimited students - Full catalog access [Start 14-day free trial](https://ontili.com/buy?plan=starter&billing=monthly) **Studio AI** Most popular Everything, plus your AI teaching copilot. **$25** **per month** - Everything in Starter - AI lesson, deck & exercise generation - AI homework & in-editor AI chat - Live-lesson AI Copilot - Premium catalog content - Co-tutor teacher chat — coming soon [Start trial with AI copilot](https://ontili.com/buy?plan=studio&billing=monthly) ## **Frequently asked questions** ## **Your next lesson is prepped in 5 minutes** Choose a catalog lesson or draft your own. Teach live on Zoom, Meet, or the big screen. Free for 14 days. [Start 14-day free trial](https://ontili.com/register) [Catalog](https://ontili.com/catalog) [Pricing](https://ontili.com/pricing) [Compare](https://ontili.com/compare) **Free for 14 days · No credit card required · Students join with a link**