# HydroLog vs DaySense Tracker

The clearest difference is update cadence: DaySense Tracker at daily against HydroLog's every 8 days. HydroLog's advantage is iOS requirement (18.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. HydroLog sells 7 in-app purchases, starting at $0.99 per month and DaySense Tracker sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

HydroLog ships an update every 8 days, DaySense Tracker daily. Both last shipped on October 31, 2026.

## The numbers

| Metric | HydroLog | DaySense Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Daily** |
| Size | 6 MB | 21 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Andre Moura](https://appshunter.io/developer/1864639204) | [Robert Newman](https://appshunter.io/developer/1895000346) |

## 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 |


### DaySense Tracker

[App page](https://appshunter.io/ios/app/daysense-tracker/id6762764170)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DaySense Premium Monthly | $2.99 | per month |
| DaySense Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is HydroLog free?

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

### Is DaySense Tracker free?

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

### Do HydroLog or DaySense Tracker have ads?

Neither HydroLog nor DaySense Tracker shows ads.

### Which is updated more often, HydroLog or DaySense Tracker?

HydroLog ships an update every 8 days, and DaySense Tracker daily. Most recently, HydroLog was updated on October 31, 2026 and DaySense Tracker on October 31, 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.*