Do these feeders keep working if the power goes out?

Yes, but backup style differs a lot. The original PETLIBRO Granary line runs on D-cell batteries (not included) for emergency backup only. PETLIBRO Granary 2 replaces that with a sealed rechargeable pack giving 24h backup on the base model and 48h on Vision/Duo/X. PETKIT's Fresh Element Solo backs up on 5x AAA batteries for about 7 days. The PETKIT YumShare Dual-Hopper 2 backs up on 4x D batteries, but its camera automatically disables while running on battery power.

Can any of these feeders dispense wet food?

No. Every model here — both PETLIBRO Granary tiers and both PETKIT models — is a dry-kibble-only rotor/auger design rated for roughly 2-15mm (PETLIBRO) or up to 12mm dry / 9mm freeze-dried (PETKIT) pellets. Wet, semi-moist, or fresh food will interfere with the dispensing mechanism on either brand.

Why do these feeders actually jam?

According to an independent teardown at aitakon.com, most jams on PETLIBRO Granary feeders trace to two root causes, not random mechanical failure: irregular-shaped kibble (flat, X-shaped, or ring-shaped pieces — prescription diets like Hill's Metabolic or Royal Canin renal formulas are named specifically) that's borderline on the stated size spec, and humidity-swollen kibble bridging above the vane assembly when the desiccant bag isn't swapped roughly every 2 weeks. From outside, it looks like the outlet chute is blocked — but clearing the chute alone doesn't fix a bridge forming higher up.

What happens if my Wi-Fi drops during a scheduled feeding?

It depends on the model, and this is a real gap, not a minor inconvenience. PETLIBRO's Granary keeps its last saved schedule and continues feeding offline, though the camera and remote control need a live connection and go dark entirely in battery-backup mode. PETKIT's Fresh Element Solo has a reported failure mode where a scheduled feed can be silently skipped if Wi-Fi is down during the feeding window — worth knowing before you rely on it while traveling.

Should I get the 3L or 5L PETLIBRO Granary?

The 3L base Granary ($79.99) suits one cat or small dog on a refill-every-2-3-weeks routine. The 5L dual-bowl (~$99.99) suits two pets, or per retailer capacity specs runs roughly 20-25 days for a single cat versus about 7 days for a small dog. If you're feeding more than one pet or traveling for over two weeks at a stretch, size up.

Is the PETKIT Fresh Element Solo still available to buy?

Partially. It's listed as discontinued on Chewy and the older green and orange colorways are unavailable on Amazon, but the white and grey variants are in stock on Amazon and it remains a current listing at petkit.com. If you buy it, confirm the retailer's live stock and don't assume Chewy-level warranty support on a discontinued listing.

PETLIBRO Granary vs PETKIT (2026): Which Smart Feeder Should You Actually Buy?

TL;DR

PETLIBRO's Granary line wins on price and hopper capacity. The $79.99 3L base is the default pick for one pet, and Granary 2 fixes the original's biggest weakness (buying D-cells) with a built-in rechargeable pack.

PETKIT's YumShare Dual-Hopper 2 ($169.99) is the pick for multi-cat AI face recognition and a camera. It also carries the strongest owner ratings here.

PETKIT's Fresh Element Solo is the cheapest option on paper, but its Chewy discontinuation and 2.4GHz-only Wi-Fi make it a narrower buy than the price suggests.

As an Amazon Associate I earn from qualifying purchases made through links in this comparison. It doesn't change the price you pay. This is a research-desk comparison built from manufacturer specifications and published reviews, not first-hand testing of either brand's hardware.

PETLIBRO and PETKIT each sell several feeders that get lumped into one "which one should I buy" search. This comparison covers the whole decision: the base Granary against PETKIT's two current models, the newer Granary 2 line, PETLIBRO's Air and Space tiers, and 3L-vs-5L sizing. Every spec and complaint below traces to a manufacturer page or a cited source.

PETLIBRO Granary vs PETKIT: full spec comparison

PETLIBRO Granary Smart Camera Feeder, white cylindrical hopper with front-facing 1080p camera and stainless steel bowl

Spec	Granary 3L	Granary 5L Dual-Bowl	Granary Camera 5L	PETKIT Fresh Element Solo	PETKIT YumShare Dual-Hopper 2
Price	$79.99	~$99.99	$139.99	$52.99-69.99	$169.99
Capacity	3L (~13 cups)	5L, 2 bowls	5L	3L (~12 cups)	5L, 2 hoppers
Portions	Up to 48 portions, 10 meals/day	Same, split per bowl	Up to 50 portions, 6 meals/day	1-5 portions/meal, ~10g each	1-10 portions/hopper, 10-100g
Power backup	AC + D batteries (emergency only)	Same	Same	USB 5V + 5x AAA, ~7 days	DC 6V + 4x D (camera disables on battery)
Wi-Fi	Dual-band 2.4/5GHz	Dual-band	Dual-band	2.4GHz only + Bluetooth	Dual-band 2.4/5GHz
Camera	None	None	1080p, 145° FOV, night vision	None	1080p, 140° FOV, AI recognition up to 15 pets

Sources: PETLIBRO Granary 3L, Granary 5L dual-bowl, Granary Camera Feeder, PETKIT Fresh Element Solo, PETKIT YumShare Dual-Hopper 2.

The pattern holds across every row. PETLIBRO spends its budget on hopper size and freshness sealing; PETKIT spends its higher tiers on camera intelligence, its cheaper tier on the basics only. Our camera guide covers whether that's worth paying for, and our Granary vs Whisker comparison covers the Granary camera elsewhere.

Why do automatic feeders actually jam?

The single most useful finding here isn't a spec. It's a root cause. An independent teardown at aitakon.com traces most PETLIBRO Granary jams to two avoidable causes. First, kibble shape: flat, X-shaped, or ring-shaped pieces (Hill's Metabolic, Royal Canin renal formulas, named specifically) sit at the edge of the 2-15mm spec and catch more easily than round kibble. Second, humidity: an un-swapped desiccant bag lets kibble swell and bridge above the vane assembly, not at the visible chute. That's why clearing the chute doesn't fix a recurring jam. The real blockage sits higher up.

PETKIT's feeders carry their own reported quirks. The Fresh Element Solo's 2.4GHz-only Wi-Fi throws a "password error" unrelated to the actual password, and drops connection after firmware updates until replugged. More consequential, a scheduled feed can be silently skipped if Wi-Fi is down during the feeding window. PETLIBRO's jam push notification, by contrast, is a real differentiator against feeders that give no warning.

PETLIBRO Granary vs Granary 2: what actually changed

PETLIBRO Granary 2 automatic feeder with built-in scale, white body and stainless steel bowl

PETLIBRO launched the Granary 2 line around June 2026. The real upgrade has little to do with the camera. The original Granary runs on user-supplied D-cell batteries; Granary 2 replaces that with a sealed rechargeable pack: 24-hour backup on the base $129.99 model, 48 hours on the $189.99 Vision, $199.99 Vision Duo, and $249.99 X tiers. It also adds a 1-gram scale and intake tracking the original lacks. Camera and AI recognition, up to 10 cats, start at the Vision tier; the base Granary 2 has none.

That's real convenience, no more D-cells, but nearly double the price. The series is also only about three months old, so there's no independent long-term reliability data yet.

PETLIBRO Granary vs Air: do you need the bigger hopper?

PETLIBRO's Air is the smaller, simpler tier: 2L capacity, 1-6 meals a day at 1-16 portions each, the same 2-15mm kibble range as Granary, and 3x D batteries or AC power, per petlibro.com. It's $69.99 Wi-Fi or $49.99 battery-only at Chewy. Against the 3L Granary, Air trades hopper size and the freshness-sealed lid for a lower price: fine for one pet on a light schedule, less so near Granary's 48-portion ceiling.

One flag: PETLIBRO's site navigation no longer lists a standalone Air page. Both /collections/automatic-pet-feeder and /collections/air 404 it, though it's still sold at Chewy and Walmart. Treat that as a likely phase-out signal and confirm live stock first.

PETLIBRO Granary vs Space: is bigger always better?

Space isn't a Granary-tier swap. It's a bulk-capacity unit for large dogs and multi-pet homes: 8L (about 34 cups) in a vacuum-sealed hopper (model PLAF107), a 187mm stainless bowl, and kibble up to 18mm, beyond Granary's 15mm ceiling. It auto-reseals within 3 hours of no feeding, per PETLIBRO's post and its Best Buy listing. The trade-off: it's AC-only with no battery backup, so it can't run through an outage the way every Granary-tier model can. Pick Space if pets are draining a 5L Granary too fast; stay with Granary if outage resilience matters more.

PETLIBRO Granary 3L vs 5L: which capacity fits your home?

Inside the Granary line, the 3L base ($79.99) suits one cat or small dog on a refill-every-2-to-3-week cadence. The 5L dual-bowl (~$99.99) suits two pets, running roughly 20-25 days for a single cat versus about 7 days for a small dog, per retailer capacity language cross-checked against PETLIBRO's spec sheet. The $20 gap is small next to how much less often you'll refill. Size up unless counter space is tight.

PETKIT Fresh Element Solo: specs and price

PETKIT Fresh Element Solo automatic feeder shown with the PETKIT companion app on a smartphone

PETKIT's Fresh Element Solo (model P570) is the cheapest feeder here, $52.99-69.99 depending on retailer, per petkit.com. It runs on USB 5V power with a 5x AAA backup rated around 7 days; 2.4GHz-only Wi-Fi and no camera are the trade-off for that price.

The status flag matters more than the spec sheet. It's listed as discontinued on Chewy, and its older green and orange colorways are unavailable on Amazon. The white and grey colorways are in stock on Amazon (ASIN B0CQXLY5H9) and it remains a live listing at petkit.com. That's buyable, but through narrower channels than a fully active product, without Chewy-level warranty support.

PETKIT YumShare Dual-Hopper 2: specs and price

PETKIT YumShare Dual-hopper 2 feeder with dual bowls and built-in AI camera

The YumShare Dual-Hopper 2 (P592/D4SH-2) is PETKIT's premium play at $169.99, per petkit.com. Its standout feature is AI facial recognition for up to 15 individual pets, useful in multi-cat homes where different animals need different diets, plus 2-way audio and before/after-meal photos. The camera disables on battery backup, and cloud video history is free for 7 days.

Owner sentiment is the strongest number in this comparison: 4.5/5 on Amazon across 792 ratings (Amazon's Choice), 4.74/5 on Judge.me across 35 reviews, and 30 of 36 5-star on petkit.com's own review widget. Recurring praise centers on the per-cat AI recognition genuinely working in multi-cat households.

Who should NOT buy each one?

PETLIBRO Granary (any tier) is wrong if you feed wet, raw, or semi-moist food. It's unsupported and can interfere with the dispensing mechanism. Skip it too if your pet eats irregular or moisture-sensitive prescription kibble (Hill's Metabolic, Royal Canin renal) without accepting higher jam risk, or won't swap the desiccant bag every 2 weeks: the single biggest self-inflicted cause of jams.

PETLIBRO Granary 2 / Vision / X isn't for budget buyers. The jump from $80-140 to $130-250 only pays off with AI recognition or the X tier's diet-lid as a hard requirement, and the line is too new, about three months, for a proven track record.

PETLIBRO Air isn't a fit for demanding multi-meal households: its 2L capacity and 16-portion ceiling cap it to one small pet, and its uncertain availability is a second reason to hesitate.

PETKIT Fresh Element Solo is the wrong call if you want guaranteed retailer warranty: it's discontinued at Chewy and out of stock in older colorways on Amazon. Buy only white or grey, direct from Amazon or petkit.com, confirm stock first, and skip it on 5GHz-only home networks; its radio is 2.4GHz-only.

PETKIT YumShare Dual-Hopper 2 isn't for anyone wanting camera monitoring and battery backup at once (the camera disables on battery), or unlimited free cloud history (it's a 7-day free tier, paid beyond).

Is it safe to buy a PETLIBRO or PETKIT feeder right now?

A few status items matter before you buy. No CPSC recall turned up for PETLIBRO or PETKIT in a CPSC.gov search run on 2026-09-02: an absence of findings, not a clearance, worth re-checking later. PETKIT's US retail footprint is expanding, not shrinking: distributor John A. Van Den Bosch added PETKIT's smart feeding, hydration, waste, and grooming line as of its August 2026 flyer, per petage.com, a distribution deal, not a product pulled. PETLIBRO Air looks phased out from the brand's own site nav though still sold at Chewy and Walmart, while the Fresh Element Solo is discontinued at Chewy specifically but still live at petkit.com and in white/grey on Amazon: two different situations, easy to conflate if you check only one retailer.

Verdict: which one should you actually buy?

For most single-pet households on dry kibble, start with the PETLIBRO Granary 3L ($79.99), or the Granary 5L dual-bowl (~$99.99) for two pets or less-frequent refills. Both offer the strongest capacity-per-dollar here; jam risk stays manageable with round kibble and a fresh desiccant bag. Want a camera? The Granary Camera Feeder 5L ($139.99) adds one without PETKIT's AI complexity, or step up to the Granary 2 ($129.99) to never buy D-cells again.

If you're feeding multiple cats needing individually tracked diets, or the AI face-recognition camera is the real reason you're shopping, PETKIT's YumShare Dual-Hopper 2 ($169.99) is the stronger buy. It carries the strongest owner ratings here, at the cost of losing camera access on battery. Skip the Fresh Element Solo unless its low price decides it and you've confirmed a white or grey unit is genuinely in stock. Its Chewy discontinuation and 2.4GHz-only Wi-Fi make it the least future-proof option here.

Whichever you land on, two failure modes are worth engineering around: a jam from the wrong kibble shape or a stale desiccant bag, and a missed meal because the app assumed Wi-Fi would stay up. Neither is solved by price alone. For a broader shortlist, see our best automatic cat feeder guide for 2026; for more than two pets, our best automatic dog feeder for multiple pets covers larger-household sizing.