# Water Timer vs Margin and Markup Calculator +

The clearest difference is price: Margin and Markup Calculator + at Free against Water Timer's $0.99. Water Timer's advantage is ads (none vs shown) and update cadence (every 13 months vs every 53 months). On in-app purchases there is nothing between them.

Margin and Markup Calculator + is free to download; Water Timer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Water Timer ships an update every 13 months, Margin and Markup Calculator + every 53 months. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Water Timer | Margin and Markup Calculator + |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.8 (19 ratings)](https://appshunter.io/ios/app/margin-and-markup-calculator-plus/id1483400642/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | — | 42.9% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 13 months** | Every 53 months |
| Monetization | — | Ad-supported |
| Size | 2 MB | 9 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [AppNextDoor Labs](https://appshunter.io/developer/1041729267) |

## What reviewers say

### Water Timer

[App page](https://appshunter.io/ios/app/water-timer/id423302971)

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

**In-app purchases:** none


### Margin and Markup Calculator +

[App page](https://appshunter.io/ios/app/margin-and-markup-calculator-plus/id1483400642)

This app simplifies financial calculations by accurately determining profit margins and markups. It integrates sales tax/VAT, tracks revenue, and helps users make informed pricing decisions to maximize profits.

**Highlights:** Calculate margin and markup, Integrate sales tax/VAT, Track revenue and profit, Customizable settings, User-friendly interface, Visualize data

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

**In-app purchases:** none


## Frequently asked questions

### Is Water Timer free?

Water Timer costs $0.99, with no in-app purchases.

### Is Margin and Markup Calculator + free?

Margin and Markup Calculator + is free to download, with no in-app purchases.

### Do Water Timer or Margin and Markup Calculator + have ads?

Margin and Markup Calculator + shows ads; Water Timer does not.

### Which is updated more often, Water Timer or Margin and Markup Calculator +?

Water Timer ships an update every 13 months, and Margin and Markup Calculator + every 53 months. Most recently, Water Timer was updated on November 10, 2026 and Margin and Markup Calculator + 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.*