The Grow in grey — the scale lives in the base and there is no display; every reading happens in the Hatch Baby app
Smart changing pad & scale · Check #71 — from the Batch 5 review list
Hatch Grow Smart Changing Pad & Scale
The trend line is real, the ‘exactly how much they drank’ is not — worth it only for clinician-guided weight tracking in the early months.
See current price ↗The pitch
a changing pad that weighs the baby at every change and tells you “exactly how much milk your baby drinks at each nursing session” — trends charted in the app against WHO percentiles
The catch
there is no display — no phone, no reading — and the quarter-ounce accuracy only survives on a flat, hard, untouched surface; Hatch’s own file calls the pad “delicate,” and the warranty excludes moving, dragging and travelling with it
FSA/HSA
not eligible as a regular purchase — a clinician-directed monitoring plan plus a Letter of Medical Necessity is the only route worth asking about
What it is
A changing pad with a scale built into its base — wipeable foam over an ABS body, 29 × 16 × 3.5 in, about 7.5 lb, running on 3 included AA batteries. The scale has NO display: every reading happens over Bluetooth in the Hatch Baby app, which is required to weigh at all. Capacity 44 lb, resolution a quarter ounce. The app offers Record Weight and Start a Feeding (weigh before and after; the difference is shown as intake), logs feeds/diapers/sleep, charts growth against WHO percentiles, and supports caregiver accounts. 1-year limited warranty, from registration, original purchaser and authorised seller only.
Claims vs. reality
Claim check — ‘exactly how much milk your baby drinks at each nursing session’: the word that fails is ‘exactly.’ The mechanism is test weighing, a real clinical method — with clinical scales and a strict identical-clothing, no-diaper-change protocol. The peer-reviewed test-weighing literature calls single-feed test weighing imprecise, because small feeds sit near the scale’s resolution. In Engadget’s hands-on bottle tests of known volume, the Grow read a 6 oz bottle as 7.75 oz consumed and once reported 14 oz from a bottle that could not hold 14 oz. The honest version: it tracks weight TRENDS well between pediatrician visits (Babylist: consistent, not exact). A single feed’s number is the least reliable number it produces — feeding decisions belong with your pediatrician or lactation consultant.
Claim check — accuracy in general: Mommyhood101 tested it with weights in half-ounce increments and was ‘pleasantly surprised by how accurate it was when used correctly’ — while noting it is not a medical-grade scale. MomLovesBest scores Accuracy 4.5/5. But accuracy is placement-conditional: Hatch’s own support file says the pad auto-tares and demands re-zeroing if it touches a changing-table side or has wipes stored underneath. Engadget’s book test — the same stationary book weighed repeatedly — spread a full ounce on a changing table and only settled on a harder surface. Flat, hard, permanent, untouched is the regime where the quarter-ounce spec is real; do the book test in your return window.
Safety & recalls
No CPSC recall found for the Hatch Grow (checked Oct 19, 2026). The big Hatch recall in search results — about 919,400 Rest 1st Generation sound-machine power adapters, July 2024, shock hazard — is a different, plug-in product; the Grow is battery-powered and not in it. Changing products sit under the mandatory ASTM F2388 standard (16 CFR 1235); the manual’s warning is the category’s core one: FALL HAZARD — always keep the child within arm’s reach, use only on a level, stable surface at least 32 × 16 in (bigger than the 29-in pad itself), never lift the pad with the child on it, max 44 lb. The product-specific file is fragility, documented by Hatch itself: its support page calls Grow ‘delicate,’ says do not travel with it, limit moving it, never drag or lean on it — and the warranty excludes damage from travelling, repeated moving, dragging, leaning, water, and storing it in anything but the original packaging.
Real reviews — what owners say
Amazon 4.4/5 across ~1,473 ratings (77% five-star, 7% one-star); Target 3.8/5 across 397 ratings; Babylist 3.8/5 across 54 reviews; Best Buy 4.6/5 across 56. Praise is strongest from preemie/NICU families using it for early weight tracking, plus the wipe-clean no-cover surface and caregiver sharing. Complaints cluster on: wild readings when placement is wrong (one Target owner bought it for weighted feeds and saw ~1 lb fluctuations and an impossible 10 oz feed), scale and foot durability (mechanism failures inside a year; delicate plastic feet that break if the pad is dragged — Hatch replaced some owners’ units free, declined in another’s account), and app dependence (phone required for every weigh; Bluetooth and caregiver-sync glitches). Value fades as the early-months window closes.
Price & FSA/HSA
$149.99 was the long-standing list (Amazon-era record, Best Buy); the current shelf at Target and Babylist is $179.99 — treat $149.99 as the right price and price-watch. Running costs are near zero (AA batteries, no subscription found). Context: a premium pad with no scale (Keekaroo, check #8) is ~$149.95 with a 5-year warranty; a basic pad plus covers is $60–$90. No live Amazon buy-box price could be verified for this check (Amazon blocks automated reads).
FSA/HSA: not eligible as a regular purchase — a changing pad / consumer tracking scale. Hatch’s current HSA/FSA (Truemed) page names its sleep products and Hatch Baby, not the Grow. If a clinician has directed home weight monitoring, ask your plan whether a Letter of Medical Necessity changes that — don’t assume it.
The verdict
WORTH IT IF…: (1) a clinician-shaped reason exists — preemie/NICU graduate, slow gain, feeding troubleshooting — ideally with trends shared with the pediatrician or lactation consultant; Consumer Reports’ pediatrician sources split exactly here, with routine home monitoring of healthy babies not routinely recommended. (2) You use weekly trends, never single feeds. (3) The pad gets a permanent flat, hard, untouched home meeting the manual, and you accept the no-move/no-drag/no-travel warranty regime. (4) You accept the app as the only interface and register on day one (the warranty clock runs from registration). NOT worth it for a healthy, gaining baby bought for reassurance in the abstract, if you need medical-grade feed volumes, if the pad must move between rooms or houses, or at the $179.99 shelf price in a rush.
Sources: Hatch Grow manual, support and warranty files (specs; auto-tare and re-zeroing guidance; the ‘delicate’ care regime and its warranty exclusions) · engadget.com hands-on (bottle tests of known volume; the repeated book test) · mommyhood101.com tested review (half-ounce-increment weight tests) · momlovesbest.com (Accuracy 4.5/5) · babylist.com editor file (consistent, not exact) · peer-reviewed test-weighing literature (single-feed imprecision) · consumerreports.org pediatrician sources · Amazon, Target, Babylist and Best Buy owner pools · CPSC recall searches for the Hatch Grow and the Hatch Rest 1st Generation adapter recall (checked Oct 19, 2026). Not verified: a live Amazon buy-box price for ASIN B072TRBZPL (Amazon blocks automated reads). Check #71 — from the Batch 5 review list, checked October 19, 2026. Some links on this page may earn WorthItMama an affiliate commission — it never changes the answer.
The trend line is real, the ‘exactly how much they drank’ is not — worth it only for clinician-guided weight tracking in the early months.