# Day Circle vs Water Tracker

The clearest difference is update cadence: Water Tracker at every 10 days against Day Circle's every 3 months. Day Circle's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Day Circle sells 2 in-app purchases, starting at $3.99 per month and Water Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Day Circle ships an update every 3 months, Water Tracker every 10 days. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Day Circle | Water Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [V8 Corporation Co.,Ltd.](https://appshunter.io/developer/1896649085) | [Yusuke Takeuchi](https://appshunter.io/developer/1103617788) |

## What reviewers say

### Day Circle

[App page](https://appshunter.io/ios/app/day-circle/id6769315213)

Visualize your day as a circle, integrating plans, tasks, and diary entries. Track your mood, set goals, and analyze your time usage to make every 24 hours more meaningful.

**Highlights:** Visual 24-hour circle chart planner, Timers, alarms, and todos, Mood tracking diary, Habit building with copy/repeat, Time analytics, Life Clock visualization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Day Circle Premium (Monthly) | $3.99 | per month |
| Day Circle Premium (Annual) | $34.99 | per year |


### Water Tracker

[App page](https://appshunter.io/ios/app/water-tracker-drink-log/id6792318570)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Day Circle free?

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

### Is Water Tracker free?

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

### Do Day Circle or Water Tracker have ads?

Both Day Circle and Water Tracker show ads.

### Which is updated more often, Day Circle or Water Tracker?

Day Circle ships an update every 3 months, and Water Tracker every 10 days. Most recently, Day Circle was updated on October 5, 2026 and Water Tracker on October 15, 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.*