Hanwei vs Let's Build Sentences
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hanwei
This mobile tool helps educators create and deliver interactive lessons. Record micro-lectures using various methods like whiteboard, photos, or imported documents, and share them easily. It also enables screen synchronization for dynamic classroom presentations with interactive features.
- Micro Lecture recording
- Whiteboard explanation
- Photo-based explanation
- Courseware import (PPT, PDF, Word)
- Screen synchronization
- Interactive classroom features (Q&A, testing)
- MP4 video export and editing
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“Hanwei” is a mobile teaching tool that integrates “Micro Lecture making” and “Screen Sync Interactive Teaching”. Simple and easy to use, can easily record professional Micro Lecture anytime and anywhere as well as create the lightest and efficient interactive classroom. It is the teacher's special teaching artifact for giving and recording lessons. Micro Lecture making: Teachers can easily record Micro Lecture on mobile phones/PAD, it supports rich recording scenes: 1.Blackboard-writing Explanation based on Whiteboard model; 2.Record Explanations based on taking photos of test papers, test questions and physical objects; 3.Record Courseware Explanation based on import PPT,PDF and word 4.Record Experimental Class Explanation based on camera shooting; 5.Support audio and video insertion for synchronous playing and recording . Micro Lecture video is generated as MP4 format, which supports later video editing and processing. Micro Lecture can be saved permanently as well as uploaded and shared quickly. Screen Sync Interactive Teaching It can sync the mobile phone / pad screen onto computer, large screen, whiteboard or other display devices, so as to realize walking teaching in class. Breathe in less chalk dust, freedom is everywhere! In the process of Screen Sync teaching, we can realize the interactive functions of Random Selection, Classroom Testing, Interactive Comment, Quick Q&A, Count down and so on to enhance the interaction between teachers and students and improve the teaching efficiency. --- Copyright Wuhan JunHeng Education Technology Co., Ltd
Let's Build Sentences
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Let’s Build Sentences helps children learn to write real sentences with calm, guided handwriting practice designed for early learners. Choose from available natural-sounding system voices in Parent Settings to find a narrator that suits your child. Children hear letters, build words, trace shapes, and practise writing complete sentences one letter at a time using large child-friendly writing boxes and supportive feedback. Designed for home learning, phonics support, and early confidence-building, the app keeps sentence practice simple, structured, and encouraging. Whether your child is beginning to recognise letter sounds or starting to write full sentences independently, Let’s Build Sentences creates a positive daily writing routine without pressure or overwhelm. FEATURES • Guided sentence handwriting practice • Child-friendly sentence layout with large writing boxes • Helpful feedback that highlights letters needing another try • Trace letters mode for extra support • Tap letters to hear sounds while learning • Parent-led sentence creation • One-tap child-friendly sentence generation • Type mode and handwriting mode • Parent voice recordings for familiar learning support • Learning settings for spacing, capitals, and speech style • iCloud sync across devices (update every device for the latest sync improvements) • Daily goals, streaks and earned mastery stars • A grown-up check for settings and purchases • Reduce Motion support for onboarding and help • Calm encouragement and celebration after success FREE VERSION The free version includes starter sentence packs, handwriting practice, the built-in narrator, and one saved custom sentence. PREMIUM UNLOCK Unlock all sentence packs, unlimited saved custom sentences, parent voice recordings, badges and richer learning tools with a simple one-time purchase. WHY PARENTS LOVE IT • Makes sentence practice feel achievable • Supports phonics-based early learning • Builds confidence through repetition and guidance • Helps children practise independently • Creates a calm and encouraging writing routine • Flexible for different learning stages and abilities No subscriptions. No distracting ads. Just focused sentence practice designed for young learners.
Screenshots
Verdict
The clearest difference is update cadence: Let's Build Sentences at every 4 days against Hanwei's every 2 months. Hanwei's advantage is iOS requirement (8.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Hanwei sells 3 one-off in-app purchases and Let's Build Sentences sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Hanwei ships an update every 2 months, Let's Build Sentences every 4 days. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.
| Parameter | Hanwei | Let's Build Sentences |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 58 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | WUHAN JUNHENG TECH CO.,LTD | Brian Leary |
In-app purchases
Hanwei
- 1 month membership$7.99
- 3 months membership$23.99
- 1 year membership$94.99
Let's Build Sentences
- Premium Unlock$4.99
Questions
Is Hanwei free?
Is Let's Build Sentences free?
Do Hanwei or Let's Build Sentences have ads?
Which is updated more often, Hanwei or Let's Build Sentences?
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