# Kiiro vs Training Loader

The clearest difference is price: Kiiro at Free against Training Loader's $0.99. Kiiro also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (18.0 vs 26.0). Training Loader's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

Kiiro is free to download; Training Loader costs $0.99 up front. Kiiro sells 3 in-app purchases, starting at $14.99 per month. Training Loader asks for nothing beyond the download.

Kiiro ships an update fortnightly, Training Loader every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Kiiro | Training Loader |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/kiiro-running-trainer-and-plans/id6749277384/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 55 MB | 3 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [endurance101 OÜ](https://appshunter.io/developer/1824960103) | [One Reaction LLC](https://appshunter.io/developer/1864426860) |

## What reviewers say

### Kiiro

[App page](https://appshunter.io/ios/app/kiiro-running-trainer-and-plans/id6749277384)

This app helps runners understand their training by analyzing data like training load, heart rate zones, and progress. It provides clear insights and warnings to prevent overtraining and ensure effective workouts.

**Highlights:** Training load analysis, Heart rate zone tracking, Progress visualization, VO2 max trends, Automatic route matching, Personal records

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $14.99 | per month |
| Annual | $99.99 | per year |
| Yearly | $99.99 | per year |


### Training Loader

[App page](https://appshunter.io/ios/app/training-loader/id6759540555)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kiiro free?

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

### Is Training Loader free?

Training Loader costs $0.99, with no in-app purchases.

### Do Kiiro or Training Loader have ads?

Neither Kiiro nor Training Loader shows ads.

### Which is updated more often, Kiiro or Training Loader?

Kiiro ships an update fortnightly, and Training Loader every 2 months. Most recently, Kiiro was updated on October 24, 2026 and Training Loader on October 25, 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.*