# Rubber Bands vs TEFC

The clearest difference is in-app purchases: TEFC at none against Rubber Bands's 2. TEFC also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). Rubber Bands's advantage is update cadence (every 10 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Rubber Bands sells 2 in-app purchases, starting at $4.99 per month. TEFC asks for nothing beyond the download.

Rubber Bands ships an update every 10 days, TEFC every 2 months. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Rubber Bands | TEFC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (133 ratings)](https://appshunter.io/ios/app/rubber-bands/id6478053772/reviews)** | — |
| Number of ratings | **133** | — |
| Positive reviews | 69.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Subscription | — |
| Size | 107 MB | 51 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rubber Bands LLC](https://appshunter.io/developer/1731554796) | [Train-Era Fitness Club](https://appshunter.io/developer/1835088758) |

## What reviewers say

### Rubber Bands

[App page](https://appshunter.io/ios/app/rubber-bands/id6478053772)

This app provides personalized resistance band workouts for strength, mobility, and muscle building. It features a comprehensive exercise library with video guidance, progress tracking, and support for various band types and popular systems.

**Highlights:** Personalized workout plans, Video-guided exercises, Resistance band manager, Progress tracking, Supports various band types, Integration with fitness trackers

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $4.99 | per month |
| Unlock all features | $24.99 | per year |


### TEFC

[App page](https://appshunter.io/ios/app/tefctrainer/id6753975552)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rubber Bands free?

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

### Is TEFC free?

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

### Do Rubber Bands or TEFC have ads?

Rubber Bands shows ads; TEFC does not.

### Which is updated more often, Rubber Bands or TEFC?

Rubber Bands ships an update every 10 days, and TEFC every 2 months. Most recently, Rubber Bands was updated on October 19, 2026 and TEFC on October 5, 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.*