# Just Run vs ErgForge

The clearest difference is update cadence: ErgForge at every 3 days against Just Run's every 3 weeks. ErgForge also leads on iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Just Run sells 2 one-off in-app purchases and ErgForge sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Just Run ships an update every 3 weeks, ErgForge every 3 days. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Just Run | ErgForge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1.3K ratings)](https://appshunter.io/ios/app/just-run-zero-to-5k-plus-10k/id1619784769/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 98.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 35 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | +4 | 17+ |
| Developer | [Jupli](https://appshunter.io/developer/988757514) | [MICHAEL JOHN CHIDLEY](https://appshunter.io/developer/6796773834) |

## What reviewers say

### Just Run

[App page](https://appshunter.io/ios/app/just-run-zero-to-5k-plus-10k/id1619784769)

This app guides you from a beginner runner to completing a 5K in 9 weeks with a structured workout plan. It also offers a 6-week plan to progress from 5K to 10K. Enjoy ad-free workouts with customizable trainer voices and background operation.

**Highlights:** Zero to 5K training plan, 5K to 10K training plan, Customizable trainer voices, Background operation, Music/podcast integration, No ads

**Features:** Family Sharing, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |
| Premium + Tip | $5.49 | one-time |

**What reviewers like**

- 🚀 Simple, no frills app
- 👍 Easy to use and follow
- 🔒 No ads or subscriptions
- 💡 Helpful audio cues
- 👍 Achievable progression

**What reviewers complain about**

- 🐛 Occasional issues with audio cues not triggering
- 💡 Lack of distance/pace tracking

**Reported bugs**

- Progress not always saved correctly
- Occasional app freezing/crashing

**Requested features**

- Integration with fitness trackers/smartwatches
- More customization options (e.g. voice selection)


### ErgForge

[App page](https://appshunter.io/ios/app/ergforge/id6796773832)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ErgForge Pro Monthly | $4.99 | per month |


## Frequently asked questions

### Is Just Run free?

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

### Is ErgForge free?

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

### Do Just Run or ErgForge have ads?

Neither Just Run nor ErgForge shows ads.

### Which is updated more often, Just Run or ErgForge?

Just Run ships an update every 3 weeks, and ErgForge every 3 days. Most recently, Just Run was updated on October 24, 2026 and ErgForge on October 11, 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.*