# HydroLog vs Training Loader

The clearest difference is price: HydroLog at Free against Training Loader's $0.99. HydroLog also leads on update cadence (every 8 days vs every 2 months) and iOS requirement (18.6 vs 26.0). Training Loader's advantage is in-app purchases (none vs 7). On ads and device support there is nothing between them.

HydroLog is free to download; Training Loader costs $0.99 up front. HydroLog sells 7 in-app purchases, starting at $0.99 per month. Training Loader asks for nothing beyond the download.

HydroLog ships an update every 8 days, Training Loader every 2 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HydroLog | Training Loader |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 months |
| Size | 6 MB | 3 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andre Moura](https://appshunter.io/developer/1864639204) | [One Reaction LLC](https://appshunter.io/developer/1864426860) |

## What reviewers say

### HydroLog

[App page](https://appshunter.io/ios/app/hydrolog-water-tracker/id6757146528)

**Features:** Apple Watch app

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| HydroLog Premium 1 Month | $1.99 | per month |
| Annual | $1.99 | per month |
| Annual | $7.99 | per year |
| HydroLog Premium 1 Year | $12.99 | per year |
| Monthly | $12.99 | per month |
| Premium | $17.99 | one-time |


### 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 HydroLog free?

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

### Is Training Loader free?

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

### Do HydroLog or Training Loader have ads?

Neither HydroLog nor Training Loader shows ads.

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

HydroLog ships an update every 8 days, and Training Loader every 2 months. Most recently, HydroLog was updated on October 21, 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.*