# TrayMinder vs 正雅小秘书

The clearest difference is in-app purchases: 正雅小秘书 at none against TrayMinder's 5. 正雅小秘书 also leads on ads (none vs shown) and iOS requirement (15.0 vs 18.0). TrayMinder's advantage is update cadence (every 2 days vs every 3 months) and review sentiment (65% vs 41%). On price and device support there is nothing between them.

Both are free to download. TrayMinder sells 5 in-app purchases, starting at $4.99 per month. 正雅小秘书 asks for nothing beyond the download.

TrayMinder ships an update every 2 days, 正雅小秘书 every 3 months. The most recent releases landed on September 22, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | TrayMinder | 正雅小秘书 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5.2K ratings)](https://appshunter.io/ios/app/trayminder-aligner-timer/id1320684802/reviews)** | — |
| Number of ratings | **5.2K** | — |
| Positive reviews | **64.8% of reviews** | 41.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#90** | — |
| Size | 172 MB | 31 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [TrayMinder LLC](https://appshunter.io/developer/1317535909) | [SHANGHAI SMARTEE DENTE-TECHNOLOGY CO.,LTD](https://appshunter.io/developer/847523524) |

## What reviewers say

### TrayMinder

[App page](https://appshunter.io/ios/app/trayminder-aligner-timer/id1320684802)

**Currently charting:** #90 Top Grossing · Medical (US App Store)

This app helps users stay on track with their clear aligner treatments. It provides tools for tracking wear time, setting reminders, and documenting progress with photos and notes. Advanced features are available through an optional subscription.

**Highlights:** Aligner wear time tracking, Smart reminders for tray insertion, Aligner change notifications, Progress photo documentation (Teethie), Calendar for appointments and notes, Wear data sharing with orthodontist

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrayMinder+ | $4.99 | per month |
| TrayMinder+ | $39.99 | per year |
| (Legacy) Remove Ads | $1.99 | one-time |
| (Legacy) Apple Watch Support | $1.99 | one-time |
| TrayMinder+ (Lifetime) | $69.99 | one-time |

**What reviewers like**

- 👍 Well-designed and packed with features
- 🚀 Excellent tracking and reminders
- 📊 Helpful statistics and progress tracking
- 🔍 Detailed and customizable
- 🤖 Seamless Apple Watch integration

**What reviewers complain about**

- 🐛 Syncing and connectivity issues
- 🔋 Battery drain
- 🔒 Concerns about in-app purchases and subscriptions
- 🔍 Confusing or unintuitive UI elements

**Reported bugs**

- Photos not saving or uploading correctly
- Timer issues and inaccurate tracking
- Notification problems and duplicate reminders

**Requested features**

- Time zone adjustment for travelers
- Parental controls or multi-user support
- Countdown widget for home screen
- Customizable color themes
- Chewie reminder feature


### 正雅小秘书

[App page](https://appshunter.io/ios/app/id1488732077)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TrayMinder free?

TrayMinder is free to download, with in-app purchases available.

### Is 正雅小秘书 free?

正雅小秘书 is free to download, with no in-app purchases.

### Do TrayMinder or 正雅小秘书 have ads?

TrayMinder shows ads; 正雅小秘书 does not.

### Which is updated more often, TrayMinder or 正雅小秘书?

TrayMinder ships an update every 2 days, and 正雅小秘书 every 3 months. Most recently, TrayMinder was updated on September 22, 2026 and 正雅小秘书 on August 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*