# Sharkspan vs hYYa Encrypted Notes & Sync

The clearest difference is in-app purchases: Sharkspan at none against hYYa Encrypted Notes & Sync's 1. Sharkspan also leads on iOS requirement (17.0 vs 26.0). hYYa Encrypted Notes & Sync's advantage is update cadence (every 4 days vs every 64 months). On price, ads and device support there is nothing between them.

Both are free to download. hYYa Encrypted Notes & Sync sells 1 one-off in-app purchase. Sharkspan asks for nothing beyond the download.

Sharkspan ships an update every 64 months, hYYa Encrypted Notes & Sync every 4 days. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Sharkspan | hYYa Encrypted Notes & Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sharkspan-life-countdown/id1037702808/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 64 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 6 MB | 7 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Kostiantyn Herasimov](https://appshunter.io/developer/907953787) | [Hassaan Abdeen](https://appshunter.io/developer/1866789892) |

## What reviewers say

### Sharkspan

[App page](https://appshunter.io/ios/app/sharkspan-life-countdown/id1037702808)

This app helps you visualize your remaining time by subtracting daily activities like sleep and commuting from your expected lifespan. It focuses on the hours you have left today, offering a live countdown and a daily inspirational quote. Your data remains private on your device.

**Highlights:** Calculates clean time by subtracting daily spendings, Live countdown of remaining hours in the current day, Customizable age and expected lifespan, Home screen widget for quick overview, Daily inspirational quotes from authors, Privacy-focused with no tracking or network usage

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases:** none


### hYYa Encrypted Notes & Sync

[App page](https://appshunter.io/ios/app/hyya-encrypted-notes-and-sync/id6792328099)

**Features:** iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| hYYa Encrypted Notes Pro | $19.99 | one-time |


## Frequently asked questions

### Is Sharkspan free?

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

### Is hYYa Encrypted Notes & Sync free?

hYYa Encrypted Notes & Sync is free to download, with in-app purchases available.

### Do Sharkspan or hYYa Encrypted Notes & Sync have ads?

Neither Sharkspan nor hYYa Encrypted Notes & Sync shows ads.

### Which is updated more often, Sharkspan or hYYa Encrypted Notes & Sync?

Sharkspan ships an update every 64 months, and hYYa Encrypted Notes & Sync every 4 days. Most recently, Sharkspan was updated on November 6, 2026 and hYYa Encrypted Notes & Sync on November 8, 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.*