# Count On Eve vs HydroniCalc

The clearest difference is in-app purchases: Count On Eve at none against HydroniCalc's 1. Count On Eve also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. HydroniCalc sells 1 one-off in-app purchase. Count On Eve asks for nothing beyond the download.

## The numbers

| Metric | Count On Eve | HydroniCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/count-on-eve/id1108354263/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Monetization | Free | — |
| Size | 12 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [niv ben-porath](https://appshunter.io/developer/896424268) | [Eric Chmara](https://appshunter.io/developer/1892404568) |

## What reviewers say

### Count On Eve

[App page](https://appshunter.io/ios/app/count-on-eve/id1108354263)

Easily track the number of days until your important events. Add personalized events, share them with others, and view countdowns directly from your Today widget. Import from your calendar and back up your data for safekeeping.

**Highlights:** Personalized event tracking, Shareable events, Today widget integration, Calendar import, Event backup and restore

**Features:** macOS Compatibility

**In-app purchases:** none


### HydroniCalc

[App page](https://appshunter.io/ios/app/hydronicalc/id6796810526)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Calculators | $12.99 | one-time |


## Frequently asked questions

### Is Count On Eve free?

Count On Eve is free to download, with no in-app purchases.

### Is HydroniCalc free?

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

### Do Count On Eve or HydroniCalc have ads?

Neither Count On Eve nor HydroniCalc shows ads.

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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.*