Machine review
UUNA TEK iAuto Review
The auto-feeding sibling of the iDraw line and the most direct "machine for envelopes" competitor in the affordable tier. ~$2,599 on sale (from ~$3,999). Auto-feeder (up to 80 papers / 30 envelopes) plus API and mail merge make it viable for real campaigns.
Specs at a glance
| Type | Handwriting robot |
|---|---|
| Tier | Desktop / prosumer tier — suited to testing, hobby, and low-volume use |
| Tier notes | Auto-feed, but the ~80-sheet / 30-envelope hopper, single-unit throughput, and overseas support put it in the desktop tier — right for testing and low-volume campaigns, not continuous production. |
| Brand | UUNA TEK |
| Price (USD) | $2,599 |
| Plot / write area | Letter / envelope |
| Auto-feed | Yes — Up to 80 papers / 30 envelopes per load |
| Pen types | Ballpoint, Gel |
| Software | UUNA TEK software with API + mail merge |
| OS | Windows, macOS |
| API | Yes |
| Throughput | Bulk via auto-feeder |
| Best for | Business / production |
Pros and cons
Pros
- Auto-feed for bulk runs
- API + mail merge included
- Envelope handling
Cons
- Feed capacity modest for high volume
- Support/parts for a China-origin brand worth verifying
Specs and price last checked June 17, 2026. A "~" or "unverified" note means the figure came from a third party or a non-USD source — confirm with the vendor before buying.