Comparison

PetWall vs Aligner Tracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PetWall

Features
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Transform your phone into a celebration of pet love with PetWall — the adorable app that pairs cute pet wallpapers with smart care reminders. Every scroll reveals a new furry, feathery, or finny friend. From playful puppies and cozy kittens to colorful fish and cheerful birds, our curated wallpaper collections bring joy to your lock screen every single day. Browse by pet type, save your favorites, and set the perfect background that matches your mood. But PetWall is more than just pretty pictures. Life gets busy, and your pet's needs don't wait. Set personalized reminders for feeding times, litter cleaning, daily walks, medication schedules, vet appointments, and grooming sessions. Never miss a care moment again. KEY FEATURES: - Cute pet wallpapers — cats, dogs, fish, birds, and more - One-tap save for lock screen & home screen - Customizable care reminders with alarm notifications - Categories: feeding, litter, walks, medicine, vet, grooming - Clean, simple, and delightful to use Because your best friend deserves the best care — and your phone deserves the cutest wallpapers. Download PetWall today and make every unlock a reminder of the love waiting for you at home.

About

Aligner Tracker

Features
Read full description

Aligner Tracker helps clear-aligner and retainer wearers stay on track and finish treatment on time. It's simple, private, and works completely offline. WEAR-TIME TIMER • One big tap to start or pause wear tracking • Live session timer plus today's running total • A smooth circular progress ring toward your daily goal (default 22 hours) • Keeps counting accurately even if you close the app, and correctly splits time across midnight DAILY LOG & STREAKS • Color-coded calendar showing every day's wear time at a glance — green (goal met), yellow (close), red (missed) • Weekly and monthly averages • A streak counter for consecutive days that hit your goal ALIGNER CHANGE CYCLE • Set your current tray, total trays, and change interval (typically 7–14 days) • See the days remaining and a countdown to your next change right on the home screen • Local reminders the day before and on change day — each at a time you choose PHOTO DIARY • Snap a smile photo every time you switch trays • Each entry is auto-stamped with the date, tray number, and treatment day • Browse a timeline gallery, open any entry full screen, and export as PDF WIDGETS • Home Screen and Lock Screen widgets show today's wear time, your tray number, and days until the next change — without opening the app PRIVATE BY DESIGN • 100% offline — no account, no ads, no tracking • All data stays on your device; export anytime as JSON • Full English and Simplified Chinese support Start tracking today and give your smile the consistency it needs.

Screenshots

PetWall4 screens
Aligner Tracker3 screens

Verdict

The call

The clearest difference is update cadence: PetWall at fortnightly against Aligner Tracker's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PetWall ships an update fortnightly, Aligner Tracker every 6 weeks. The most recent releases landed on September 23, 2026 and October 9, 2026 respectively.

Scorecard1 real difference Ā· 5 level
PetWall versus Aligner Tracker: the parameters behind the verdict, then further details
ParameterPetWallAligner Tracker
PriceFreeFree
Update frequencyFortnightly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone
Requires iOS17.617.0 — better
Further details — not scored
Size86 MB3 MB
Age rating4+4+
Developer鸿宇 何Feiyu Chang

In-app purchases

None

PetWall

No in-app purchases

None

Aligner Tracker

No in-app purchases

Questions

Is PetWall free?
PetWall is free to download, with no in-app purchases.
Is Aligner Tracker free?
Aligner Tracker is free to download, with no in-app purchases.
Do PetWall or Aligner Tracker have ads?
Neither PetWall nor Aligner Tracker shows ads.
Which is updated more often, PetWall or Aligner Tracker?
PetWall ships an update fortnightly, and Aligner Tracker every 6 weeks. Most recently, PetWall was updated on September 23, 2026 and Aligner Tracker on October 9, 2026.

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