# SATS vs BLX

The clearest difference is update cadence: SATS at fortnightly against BLX's every 2 months. BLX's advantage is iOS requirement (15.6 vs 18.0). On price, ads, 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.

SATS ships an update fortnightly, BLX every 2 months. The most recent releases landed on August 28, 2026 and August 10, 2026 respectively.

## The numbers

| Metric | SATS | BLX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (245 ratings)](https://appshunter.io/ios/app/sats/id1272653109/reviews)** | — |
| Number of ratings | **245** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 233 MB | 61 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HFN](https://appshunter.io/developer/1163778444) | [BLX](https://appshunter.io/developer/1551654584) |

## What reviewers say

### SATS

[App page](https://appshunter.io/ios/app/sats/id1272653109)

Enhance your fitness journey with personalized training experiences. Discover new classes, book sessions with personal trainers, and participate in challenges. Connect with friends, track your progress automatically, and utilize exclusive rewards and discounts.

**Highlights:** Discover and book group classes, Book personal training sessions, Join fitness challenges, Connect and motivate friends, Automatic workout activity tracking, Manual activity logging, Access and use rewards/discounts

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

**In-app purchases:** none


### BLX

[App page](https://appshunter.io/ios/app/blx/id1551654582)

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

**In-app purchases:** none


## Frequently asked questions

### Is SATS free?

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

### Is BLX free?

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

### Do SATS or BLX have ads?

Neither SATS nor BLX shows ads.

### Which is updated more often, SATS or BLX?

SATS ships an update fortnightly, and BLX every 2 months. Most recently, SATS was updated on August 28, 2026 and BLX on August 10, 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.*