# Spa Three Ten vs Otti App

The clearest difference is rating: Spa Three Ten at 5.0 against Otti App's 4.0. Spa Three Ten also leads on ratings volume (10 vs 2) and iOS requirement (13.0 vs 16.6). Otti App's advantage is update cadence (every 3 weeks vs every 8 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Spa Three Ten holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Spa Three Ten has 10 ratings behind it against 2, so its average is the more settled of the two.

Spa Three Ten ships an update every 8 months, Otti App every 3 weeks. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Spa Three Ten | Otti App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/spa-three-ten/id1413287319/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/otti-app/id6474610560/reviews) |
| Number of ratings | **10** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 33 MB | 72 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tom Marchant](https://appshunter.io/developer/1299796941) | [Otti Laundry](https://appshunter.io/developer/1722037691) |

## What reviewers say

### Spa Three Ten

[App page](https://appshunter.io/ios/app/spa-three-ten/id1413287319)

Easily book your next spa appointment at any time. View staff profiles, select your preferred therapist, and manage your account and past bookings. Get ready to relax and rejuvenate with just a few taps.

**Highlights:** Book appointments 24/7, Meet the team, Choose your favorite therapist, Record of appointments, Register and manage account

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Otti App

[App page](https://appshunter.io/ios/app/otti-app/id6474610560)

This app simplifies laundry services by connecting users with professional providers for pickup, washing, folding, and delivery. Schedule services, track your order in real-time, and communicate directly with providers for a convenient and stress-free experience.

**Highlights:** Seamless booking for immediate or scheduled services, Access to trusted professional laundry providers, Real-time tracking of laundry status, Secure payment options, Direct chat with laundry providers, Easy login with social accounts

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

**In-app purchases:** none


## Frequently asked questions

### Is Spa Three Ten free?

Spa Three Ten is free to download, with no in-app purchases.

### Is Otti App free?

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

### Which has better reviews, Spa Three Ten or Otti App?

Spa Three Ten is rated higher. Spa Three Ten averages 5.0 out of 5 from 10 ratings, while Otti App averages 4.0 from 2 ratings.

### Do Spa Three Ten or Otti App have ads?

Neither Spa Three Ten nor Otti App shows ads.

### Which is updated more often, Spa Three Ten or Otti App?

Spa Three Ten ships an update every 8 months, and Otti App every 3 weeks. Most recently, Spa Three Ten was updated on October 20, 2026 and Otti App 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.*