Desify sells rPen. SyncPen is a capable smart pen and we say where it wins below. SyncPen facts come from its Amazon.in listing (SyncPen Store, ASIN B0F5P2186C), checked 16 October 2026. Prices change often, so check the live listing before you buy.
rPen and SyncPen are the two smart pen and notebook sets most Indian buyers compare. Both write in real ink on a real notebook, both put each page on your phone as you write, and both turn handwriting into searchable text. The difference is what happens after the page is on your phone. SyncPen stores and organizes your notes. rPen also acts on them.
Side by side
| rPen | SyncPen | |
|---|---|---|
| Price in India | ₹8,999 (MRP ₹19,999); rPen Power ₹14,999 (MRP ₹29,999) | ₹6,799 (MRP ₹9,999) on Amazon.in |
| Writes on | rPen Smart Notebook with a printed pattern; 5 ink refills and 2 refill Inner Diaries in the box | A5 notebook, 128 pages |
| Live sync to phone | Yes, over Bluetooth | Yes, over Bluetooth |
| Works without the phone nearby | Yes, stores about 1,000 pages | Yes, notes saved offline and synced later |
| Handwriting to text and search | Yes | Yes, including math and music notation |
| Audio | The ReNote AI app records the room while you write | Audio recording listed |
| Notes to action | Tap printed icons on the page: Google Calendar, Microsoft To Do, Gmail, Outlook | Not listed |
| AI summaries and questions | Yes, in the ReNote AI app | Not listed |
| Sketch to image | Yes | Not listed |
| Phone charging | rPen Power cover has 8,000 mAh built in, with wireless charging | No |
| Battery | 14+ hours writing, up to 90 days standby | Not stated on the listing |
| App plan | AI App Pro free for the first year | Lifetime app access, no subscription |
| Warranty and support | Defective pens replaced | 1 year replacement warranty |
| Delivery | Free, in 3 business days | Amazon delivery |
| Amazon.in rating | New listing, too few ratings to compare | 3.7 out of 5 from 76 ratings |
Where rPen is better
Your notes do something. Every rPen page has printed command icons. Write a meeting time and tap the calendar icon, and it goes to Google Calendar. Tap the task icon and the line lands in Microsoft To Do. Tap the mail icon and the app drafts an email in Gmail or Outlook from what you wrote. SyncPen's listing does not mention any of this, so on SyncPen those steps stay manual.
AI that reads your pages. In the ReNote AI app you can ask for a summary of a meeting, ask a question about your notes, or turn a rough sketch into a finished image. That is useful for founders, consultants and students who want a clean recap without rewriting anything.
rPen Power charges your phone. The Smart Notebook Power has an 8,000 mAh battery built into the cover, with wireless charging. On a long day of meetings or travel, the notebook you carry is also your power bank. No other smart notebook we know of in India does this.
Built in India, with simple support. rPen is built in India by ReNote AI. Desify delivers free in 3 business days, and a defective pen is replaced.
Where SyncPen is better
Price. At ₹6,799, SyncPen costs ₹2,200 less than rPen. If you only need your handwriting on your phone and searchable, that saving is real.
No subscription, ever. SyncPen lists lifetime app access with no recurring fees and unlimited cloud storage. rPen includes AI App Pro free for the first year.
Math and music. SyncPen lists recognition of math equations and music notation, which suits engineering students and musicians.
More reviews. SyncPen has 76 ratings on Amazon.in. Buyers praise quick setup and the feel of a normal pen. Amazon's review summary also notes mixed feedback on connectivity and build quality, so read recent reviews before buying.
Who should buy which
- Founders, sales leaders and consultants who leave meetings with follow-ups: rPen, for tasks, calendar and email from the page.
- People who travel a lot: rPen Power, for the phone-charging cover.
- Students on a tight budget who mainly want searchable notes: SyncPen.
- Engineering and music students: SyncPen, for equations and notation.
- Gift buyers who want something that feels premium: rPen or rPen Power.
Questions people ask
Is rPen better than SyncPen?
For people who want their notes to turn into calendar events, tasks, emails and AI summaries, yes, because rPen does those from printed icons on the page and SyncPen does not list them. For the lowest price and a lifetime app, SyncPen is the better buy.
Do rPen and SyncPen work on normal paper?
No. Both read a pattern printed on their own notebooks. rPen comes with 2 refill Inner Diaries in the box.
Do both record audio?
Both list audio recording. On rPen, the ReNote AI app on your phone records the room while you write, and your notes and the recording stay together.
What is rPen Power?
rPen with the Smart Notebook Power, whose cover has an 8,000 mAh battery with wireless charging, so it can charge your phone. It costs ₹14,999.
