# CSUB SRC vs Rush Cycle Bkfld

The clearest difference is ads: CSUB SRC at none against Rush Cycle Bkfld's shown. CSUB SRC also leads on iOS requirement (14.0 vs 16.0). Rush Cycle Bkfld's advantage is update cadence (every 5 weeks vs every 17 months). 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.

CSUB SRC ships an update every 17 months, Rush Cycle Bkfld every 5 weeks. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | CSUB SRC | Rush Cycle Bkfld |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (38 ratings)](https://appshunter.io/ios/app/rush-cycle-bkfld/id6743567407/reviews)** |
| Number of ratings | — | **38** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 5 weeks** |
| Monetization | — | Ad-supported |
| Size | 43 MB | 34 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [InnoSoft Canada Inc.](https://appshunter.io/developer/672385534) | [D & A Velez Investments Inc](https://appshunter.io/developer/1803466562) |

## What reviewers say

### CSUB SRC

[App page](https://appshunter.io/ios/app/csub-src/id1535847257)

**In-app purchases:** none


### Rush Cycle Bkfld

[App page](https://appshunter.io/ios/app/rush-cycle-bkfld/id6743567407)

Easily browse and purchase class packs or memberships for indoor cycling. View the schedule, filter classes by type, and manage your reservations to stay organized and committed to your fitness goals.

**Highlights:** Purchase class packs and memberships, Browse class schedule, Filter classes by type, Manage class reservations, Track upcoming classes

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is CSUB SRC free?

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

### Is Rush Cycle Bkfld free?

Rush Cycle Bkfld is free to download, with no in-app purchases.

### Do CSUB SRC or Rush Cycle Bkfld have ads?

Rush Cycle Bkfld shows ads; CSUB SRC does not.

### Which is updated more often, CSUB SRC or Rush Cycle Bkfld?

CSUB SRC ships an update every 17 months, and Rush Cycle Bkfld every 5 weeks. Most recently, CSUB SRC was updated on September 21, 2026 and Rush Cycle Bkfld on September 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.*