# Tag vs Fasting Timer & Hydration Log

The clearest difference is update cadence: Tag at every 5 days against Fasting Timer & Hydration Log's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Tag sells 8 in-app purchases, starting at $0.99 per month and Fasting Timer & Hydration Log sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Tag ships an update every 5 days, Fasting Timer & Hydration Log every 5 weeks. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Tag | Fasting Timer & Hydration Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 5 weeks |
| Size | 25 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bread technologies inc](https://appshunter.io/developer/1476303481) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Tag

[App page](https://appshunter.io/ios/app/tag-fast-water-tracker/id6746683045)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| tag monthly | $0.99 | per month |
| monthly subscription | $0.99 | per month |
| Weekly Access | $1.99 | per 7 days |
| monthly subscription | $2.99 | per month |
| 3 month subscription | $2.99 | per 3 months |
| 3 month subscription | $3.99 | per 3 months |
| yearly access | $9.99 | per year |
| Yearly Access | $19.99 | per year |


### Fasting Timer & Hydration Log

[App page](https://appshunter.io/ios/app/fasting-timer-and-hydration-log/id6772282181)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ketosis Tracker Weekly | $6.99 | per 7 days |
| Eating Window Yearly | $34.99 | per year |
| Autophagy Access, One-Time | $69.99 | one-time |


## Frequently asked questions

### Is Tag free?

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

### Is Fasting Timer & Hydration Log free?

Fasting Timer & Hydration Log is free to download, with in-app purchases available.

### Do Tag or Fasting Timer & Hydration Log have ads?

Neither Tag nor Fasting Timer & Hydration Log shows ads.

### Which is updated more often, Tag or Fasting Timer & Hydration Log?

Tag ships an update every 5 days, and Fasting Timer & Hydration Log every 5 weeks. Most recently, Tag was updated on October 9, 2026 and Fasting Timer & Hydration Log on October 18, 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.*