# Water Saving Calculator vs Elef

The clearest difference is update cadence: Elef at every 2 weeks against Water Saving Calculator's every 2 months. Water Saving Calculator's advantage is iOS requirement (9.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Water Saving Calculator ships an update every 2 months, Elef every 2 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Water Saving Calculator | Elef |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 62 MB | 91 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOKEN MASTERS FOR SOFTWARE](https://appshunter.io/developer/966005248) | [Elef - Beauty Booking](https://appshunter.io/developer/1868176761) |

## What reviewers say

### Water Saving Calculator

[App page](https://appshunter.io/ios/app/water-saving-calculator/id1573713507)

**Features:** macOS Compatibility

**In-app purchases:** none


### Elef

[App page](https://appshunter.io/ios/app/elef/id6757667443)

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

**In-app purchases:** none


## Frequently asked questions

### Is Water Saving Calculator free?

Water Saving Calculator is free to download, with no in-app purchases.

### Is Elef free?

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

### Do Water Saving Calculator or Elef have ads?

Neither Water Saving Calculator nor Elef shows ads.

### Which is updated more often, Water Saving Calculator or Elef?

Water Saving Calculator ships an update every 2 months, and Elef every 2 weeks. Most recently, Water Saving Calculator was updated on October 19, 2026 and Elef on October 24, 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.*