# iSlash.io vs Filled Days

The clearest difference is in-app purchases: iSlash.io at none against Filled Days's 2. Filled Days's advantage is iOS requirement (17.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Filled Days sells 2 in-app purchases, starting at $0.99 per month. iSlash.io asks for nothing beyond the download.

iSlash.io ships an update every 3 weeks, Filled Days every 11 days. The most recent releases landed on October 27, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | iSlash.io | Filled Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/filled-days/id6752636940/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | — | Freemium |
| Size | 9 MB | 72 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [iSlash](https://appshunter.io/developer/1559677675) | [GreenWood Technology Limited](https://appshunter.io/developer/1828986449) |

## What reviewers say

### iSlash.io

[App page](https://appshunter.io/ios/app/islashio/id1559677673)

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

**In-app purchases:** none


### Filled Days

[App page](https://appshunter.io/ios/app/filled-days/id6752636940)

This calendar app helps you overcome procrastination with on-screen triggers and rewarding micro-wins. Visualize your time with colorful blocks and easily start focused sessions from your lock screen or widgets.

**Highlights:** On-screen triggers (Lock Screen, Widgets, Dynamic Island), Visual time blocking, Micro-win sessions (5-40 mins), Quick-log board, Day/Week/Month/List views, Color-coded categories, Smart reminders

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Filled Days Flow Builders | $0.99 | per month |
| FilledDays Plus | $1.99 | per month |


## Frequently asked questions

### Is iSlash.io free?

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

### Is Filled Days free?

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

### Do iSlash.io or Filled Days have ads?

Neither iSlash.io nor Filled Days shows ads.

### Which is updated more often, iSlash.io or Filled Days?

iSlash.io ships an update every 3 weeks, and Filled Days every 11 days. Most recently, iSlash.io was updated on October 27, 2026 and Filled Days on October 11, 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.*