# Sun Tan City vs EvolvePDX

The clearest difference is ads: Sun Tan City at none against EvolvePDX's shown. Sun Tan City also leads on update cadence (every 2 weeks vs every 27 months). EvolvePDX's advantage is iOS requirement (13.0 vs 16.6). On price, in-app purchases and device support there is nothing between them.

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

Sun Tan City ships an update every 2 weeks, EvolvePDX every 27 months. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Sun Tan City | EvolvePDX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (12K ratings)](https://appshunter.io/ios/app/sun-tan-city/id888523615/reviews)** | — |
| Number of ratings | **12K** | — |
| Positive reviews | 21.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 27 months |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 73 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [STC MANAGEMENT GROUP, LLC](https://appshunter.io/developer/941802937) | [Northwest IV, LLC](https://appshunter.io/developer/1450431632) |

## What reviewers say

### Sun Tan City

[App page](https://appshunter.io/ios/app/sun-tan-city/id888523615)

Streamline your salon experience by checking in before you arrive to secure your spot. Browse available services, manage your membership, and access exclusive specials. This app makes getting your glow easier than ever.

**Highlights:** Pre-arrival check-in, View wait times, Purchase memberships and specials, Manage account details, Review visit history, Digital scan card, Live chat support

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient check-in
- 📱 User-friendly interface
- 💳 Manage account details
- 🎁 Exclusive deals/promos

**What reviewers complain about**

- 🐛 App crashes/freezes
- 🔍 Difficult to navigate
- 🕰️ Inaccurate wait times
- 🔑 Login/password issues
- 🔒 Difficult to cancel/freeze account

**Reported bugs**

- White screen on launch
- Inconsistent login functionality
- Inability to complete transactions

**Requested features**

- Display past visit history
- Show location hours and details
- Streamline check-in process
- Improve account management


### EvolvePDX

[App page](https://appshunter.io/ios/app/evolvepdx/id1557700726)

**In-app purchases:** none


## Frequently asked questions

### Is Sun Tan City free?

Sun Tan City is free to download, with no in-app purchases.

### Is EvolvePDX free?

EvolvePDX is free to download, with no in-app purchases.

### Do Sun Tan City or EvolvePDX have ads?

EvolvePDX shows ads; Sun Tan City does not.

### Which is updated more often, Sun Tan City or EvolvePDX?

Sun Tan City ships an update every 2 weeks, and EvolvePDX every 27 months. Most recently, Sun Tan City was updated on October 18, 2026 and EvolvePDX on October 9, 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.*