# 5K Run vs Simby

The clearest difference is iOS requirement: Simby at 15.1 against 5K Run's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 5K Run sells 1 one-off in-app purchase and Simby sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

5K Run ships an update every 10 days, Simby every 3 weeks. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 5K Run | Simby |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (2.2K ratings)](https://appshunter.io/ios/app/5k-run-beginner-training-plan/id1271409505/reviews)** | — |
| Number of ratings | **2.2K** | — |
| Positive reviews | 24.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 68 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Carlos Fernandez Mayor](https://appshunter.io/developer/1544231737) | [VESELA NIKOLAEVA MARINOVA](https://appshunter.io/developer/6786623623) |

## What reviewers say

### 5K Run

[App page](https://appshunter.io/ios/app/5k-run-beginner-training-plan/id1271409505)

This app guides beginners from inactivity to running a 5K with a flexible, adaptive training plan. It offers audio cues during runs and integrates with HealthKit to track progress and Apple Watch activity.

**Highlights:** Adaptive 5K training plan, Voice trainer for run/walk intervals, Flexible workout scheduling, HealthKit integration, Motivation and progress tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plan de entrenamiento 5K | $4.99 | one-time |

**What reviewers like**

- 🚀 Simple and easy to use
- 👍 Motivating for beginners
- 💡 Gradual training program

**What reviewers complain about**

- 🐛 Unreliable sync with Apple Watch
- 🔒 Lack of customer support
- 💰 Hidden in-app purchases
- 🔄 Inability to repeat or restart stages

**Reported bugs**

- App crashes and loses user progress
- Inconsistent tracking of distance and pace
- Issues with treadmill workouts

**Requested features**

- Ability to manually adjust training program
- More detailed workout information
- Integration with other fitness apps
- Audio cues for run/walk transitions


### Simby

[App page](https://appshunter.io/ios/app/simby/id6786623621)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simby Premium Monthly | $4.99 | per month |
| Simby Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is 5K Run free?

5K Run is free to download, with in-app purchases available.

### Is Simby free?

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

### Do 5K Run or Simby have ads?

Neither 5K Run nor Simby shows ads.

### Which is updated more often, 5K Run or Simby?

5K Run ships an update every 10 days, and Simby every 3 weeks. Most recently, 5K Run was updated on October 9, 2026 and Simby on October 10, 2026.

---

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