# Water Tracker vs SimpliCalc

The clearest difference is in-app purchases: SimpliCalc at none against Water Tracker's 4. SimpliCalc also leads on ads (none vs shown) and update cadence (every 2 days vs every 2 weeks). Water Tracker's advantage is iOS requirement (16.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Water Tracker sells 4 in-app purchases, starting at $0.99 per 7 days. SimpliCalc asks for nothing beyond the download.

Water Tracker ships an update every 2 weeks, SimpliCalc every 2 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Water Tracker | SimpliCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/simplicalc/id6449979918/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 28 MB | 2 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Iurii Filin](https://appshunter.io/developer/1652023895) | [Morgan Rai](https://appshunter.io/developer/1691350292) |

## What reviewers say

### Water Tracker

[App page](https://appshunter.io/ios/app/water-tracker-stay-hydrated/id1671522638)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $1.99 | per month |
| Annually | $14.99 | per year |
| Lifetime | $24.99 | one-time |


### SimpliCalc

[App page](https://appshunter.io/ios/app/simplicalc/id6449979918)

A sleek, dark-themed calculator app designed for speed and clarity. It offers animated key presses, haptic feedback, and a built-in tip calculator for easy bill splitting. All calculations are performed privately on your device.

**Highlights:** Refined dark theme with crisp typography, Animated key presses and gentle haptics, Built-in Tip Calculator for splitting bills, Essential math functions (+, -, ×, ÷, parentheses), Error alerts for invalid entries, Private and offline calculations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Water Tracker free?

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

### Is SimpliCalc free?

SimpliCalc is free to download, with no in-app purchases.

### Do Water Tracker or SimpliCalc have ads?

Water Tracker shows ads; SimpliCalc does not.

### Which is updated more often, Water Tracker or SimpliCalc?

Water Tracker ships an update every 2 weeks, and SimpliCalc every 2 days. Most recently, Water Tracker was updated on November 7, 2026 and SimpliCalc on November 3, 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.*