# Half Marathon vs Kudlify

The clearest difference is in-app purchases: Kudlify at none against Half Marathon's 7. Half Marathon's advantage is iOS requirement (13.4 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Half Marathon sells 7 in-app purchases, starting at $0.99 per 7 days. Kudlify asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Half Marathon | Kudlify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (254 ratings)](https://appshunter.io/ios/app/half-marathon-21k-run-app/id1435474702/reviews)** | — |
| Number of ratings | **254** | — |
| Positive reviews | 18.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 44 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Rumble](https://appshunter.io/developer/1368434055) | [XO Student Discounts Ltd](https://appshunter.io/developer/1515794916) |

## What reviewers say

### Half Marathon

[App page](https://appshunter.io/ios/app/half-marathon-21k-run-app/id1435474702)

Train for your first 21K run with a comprehensive 12-week program. This app offers audio coaching, interval planning, and motivational tips to build strength and endurance. Track your progress, earn badges, and share achievements with friends.

**Highlights:** 12-week running program, Audio coach guidance, Run/walk strategy, Integrated music player, Progress tracking and sharing, Motivational quotes, GPS and distance tracking

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| 21k Run Monthly New | $1.99 | per month |
| Weekly Subscription | $1.99 | per 7 days |
| 21K Run Trainer (Weekly) | $2.99 | per 7 days |
| Half Marathon Workout Plan | $29.99 | per year |
| Half marathon program | $37.99 | per 6 months |
| 21k Run Life Time | $39.99 | one-time |


### Kudlify

[App page](https://appshunter.io/ios/app/kudlify/id6469044310)

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

**In-app purchases:** none


## Frequently asked questions

### Is Half Marathon free?

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

### Is Kudlify free?

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

### Do Half Marathon or Kudlify have ads?

Neither Half Marathon nor Kudlify shows ads.

### Which is updated more often, Half Marathon or Kudlify?

Half Marathon ships an update every 3 months, and Kudlify every 3 months. Most recently, Half Marathon was updated on September 23, 2026 and Kudlify on September 20, 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.*