# TEFC vs Jymm

The clearest difference is update cadence: Jymm at every 3 days against TEFC's fortnightly. TEFC's advantage is iOS requirement (13.0 vs 17.0). 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.

TEFC ships an update fortnightly, Jymm every 3 days. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | TEFC | Jymm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 54 MB | 19 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Train-Era Fitness Club](https://appshunter.io/developer/1835088758) | [Sailesh Theegela](https://appshunter.io/developer/6802945055) |

## What reviewers say

### TEFC

[App page](https://appshunter.io/ios/app/tefc-built-by-effort/id6751433714)

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

**In-app purchases:** none


### Jymm

[App page](https://appshunter.io/ios/app/jymm/id6802945053)

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

**In-app purchases:** none


## Frequently asked questions

### Is TEFC free?

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

### Is Jymm free?

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

### Do TEFC or Jymm have ads?

Neither TEFC nor Jymm shows ads.

### Which is updated more often, TEFC or Jymm?

TEFC ships an update fortnightly, and Jymm every 3 days. Most recently, TEFC was updated on October 6, 2026 and Jymm on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*