Comparison

Aligner Tracker vs Peeklet

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

Head to head
About

Aligner Tracker

Features
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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.

About

Peeklet

Features
Read full description

Peeklet is your all-in-one accessible vision toolkit, designed to help you identify, understand, and navigate colors in your daily life. Whether you experience color vision deficiency (CVD), want to make your designs more accessible, or want to understand how others perceive color, Peeklet provides premium real-time tools to bridge the gap. ### Key Features: 1. LIVE SCANNER & OBJECT DETECTOR * Real-Time Identification: Point your camera at any surface to instantly detect color names and precise HEX codes. * Smart Object Tracking: Detect physical objects in the frame alongside their colors. * Text-to-Speech Accessibility: Enable automatic voice feedback to read aloud detected colors and objects. * Built-In Utilities: Easily copy HEX codes to your clipboard and toggle your device's flashlight for low-light scanning. 2. VISION SIMULATOR (PROTANOPIA, DEUTERANOPIA, TRITANOPIA) * Interactive Swatch Tester: View standard color palettes under simulated visual impairments or apply Daltonization correction. * Split-Screen Photo Compare: Import your own photos and use a side-by-side sliding mask to compare normal, simulated, and corrected views. * GPU-Accelerated Live Feed: Experience different color vision types in real time using your camera. * WCAG Contrast Checker: Input custom foreground/background colors to check WCAG compliance (AA, AAA, AA Large) under normal and simulated vision modes. 3. ISHIHARA EYE TEST * Dynamically Generated Plates: Test your color vision with an interactive Ishihara plate test. * Diagnostic Summary: Get immediate, easy-to-read feedback on your color perception score. 4. CARE & ASSIST HUB * System Setup Guide: Easy-to-follow instructions to configure system-wide iOS Color Filters for red-green and blue-yellow deficiencies. * Corrective Lens Simulator: Preview how notch-filter glasses (like EnChroma) alter color perception by adjusting active filter strength. * Color Naming Game: Train your color recognition skills through a fun, gamified multiple-choice color deck. * Practical Daily Tips: Access curated advice for driving & traffic, food & cooking, career, fashion, gaming, and general wellbeing. * Scientific Research Digest: Stay informed with a breakdown of emerging gene therapy research, perceptual learning, and medical resources.

Screenshots

Aligner Tracker3 screens
Peeklet4 screens

Verdict

The call

Aligner Tracker and Peeklet are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

ScorecardNo meaningful differences
Aligner Tracker versus Peeklet: the parameters behind the verdict, then further details
ParameterAligner TrackerPeeklet
PriceFreeFree
Update frequencyEvery 6 weeks—
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad — better
Requires iOS17.016.0 — better
Further details — not scored
Size3 MB2 MB
Age rating4+4+
DeveloperFeiyu ChangGALGOTIAS UNIVERSITY,SCHOOL OF BUSINESS

In-app purchases

None

Aligner Tracker

No in-app purchases

None

Peeklet

No in-app purchases

Questions

Is Aligner Tracker free?
Aligner Tracker is free to download, with no in-app purchases.
Is Peeklet free?
Peeklet is free to download, with no in-app purchases.
Do Aligner Tracker or Peeklet have ads?
Neither Aligner Tracker nor Peeklet shows ads.

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