# SPAX vs SWIMKOI

The clearest difference is in-app purchases: SWIMKOI at none against SPAX's 31. SPAX's advantage is iOS requirement (12.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SPAX sells 26 in-app purchases, starting at $9.99 per month. SWIMKOI asks for nothing beyond the download.

SPAX ships an update every 4 weeks, SWIMKOI monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SPAX | SWIMKOI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (389 ratings)](https://appshunter.io/ios/app/spax/id1545365744/reviews)** | — |
| Number of ratings | **389** | — |
| Positive reviews | 47.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | Subscription | — |
| Size | 506 MB | 69 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Rhythm wave Technology Limited](https://appshunter.io/developer/1545365746) | [iClassPro Inc](https://appshunter.io/developer/1194756576) |

## What reviewers say

### SPAX

[App page](https://appshunter.io/ios/app/spax/id1545365744)

Stream hundreds of indoor running and cycling classes with expert trainers directly to your device. Achieve fitness goals like weight loss, strength, and flexibility with structured training plans and real-time data synchronization. Enjoy a variety of class types and virtual running tracks to keep your workouts engaging.

**Highlights:** Hundreds of streaming classes, Running, cycling, and no-equipment options, Professionally designed training plans, Bluetooth equipment connection for real-time data, Virtual running track with social features, Personal exercise data tracking and progress monitoring

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

**In-app purchases (26)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SPAX 1 Month VIP | $9.99 | per month |
| SPAX Monthly Membership | $18.99 | per month |
| SPAX Yearly Membership | $19.99 | per year |
| SPAX Monthly Membership | $21.99 | per month |
| SPAX Yearly Membership | $25.99 | per year |
| SPAX Quarterly Membership | $25.99 | per 3 months |
| SPAX 6Months Membership | $29.99 | per 6 months |
| SPAX Quarterly Membership | $35.99 | per 3 months |
| SPAX 6Month VIP $35.99 | $35.99 | per 6 months |
| SPAX Six Months Membership | $39.99 | per 6 months |
| SPAX Quarterly Membership | $39.99 | per 3 months |
| SPAX Quarterly Membership | $44.99 | per 3 months |
| SPAX Yearly Membership | $45.49 | per year |
| SPAX Yearly Membership | $49.99 | per year |
| SPAX Yearly Membership | $49.99 | per year |
| SPAX Yearly Membership | $53.99 | per year |
| SPAX Membership (Free Trial) | $53.99 | per year |
| SPAX Yearly Membership | $59.90 | per year |
| SPAX Yearly Membership | $59.99 | per year |
| SPAX Yearly Membership | $69.99 | per year |
| SPAX Yearly Membership | $99.99 | per year |
| SPAX Lifetime VIP | $9.99 | one-time |
| SPAX Lifetime VIP | $19.99 | one-time |
| SPAX Lifetime VIP | $39.99 | one-time |
| SPAX Lifetime VIP | $49.99 | one-time |
| SPAX year cashback | $59.99 | one-time |

**What reviewers like**

- 💪 Comprehensive workout programs and classes
- 📊 Detailed fitness tracking and progress monitoring
- 🎥 High-quality instructional videos
- 👨‍🏫 Multiple trainer options and variety
- ⏱️ Quick and convenient workout sessions

**What reviewers complain about**

- 🐛 Frequent app crashes and freezes
- 📝 Excessive signup/questionnaire process
- 🔌 Poor device connectivity and pairing issues
- 📊 Inaccurate workout tracking and statistics
- ⚠️ Misleading free trial and hidden costs

**Reported bugs**

- App crashes on 'Get My Plan' button
- Login credentials not retained between sessions
- Signup form swipes up and prevents data entry
- QR code scanning not working
- Device pairing fails or disconnects frequently

**Requested features**

- Apple Health integration
- Imperial measurements (miles/pounds) option
- Skip signup option for device-only users
- Simplified remote control functionality
- Plate calculator for meal planning


### SWIMKOI

[App page](https://appshunter.io/ios/app/swimkoi/id6754463492)

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

**In-app purchases:** none


## Frequently asked questions

### Is SPAX free?

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

### Is SWIMKOI free?

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

### Do SPAX or SWIMKOI have ads?

Neither SPAX nor SWIMKOI shows ads.

### Which is updated more often, SPAX or SWIMKOI?

SPAX ships an update every 4 weeks, and SWIMKOI monthly. Most recently, SPAX was updated on October 29, 2026 and SWIMKOI on October 24, 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.*