# Calert vs Spiralday

The clearest difference is in-app purchases: Spiralday at none against Calert's 2. Calert's advantage is iOS requirement (13.4 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calert sells 2 in-app purchases, starting at $1.99 per month. Spiralday asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Calert | Spiralday |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spiralday/id6818437748/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | — | Free |
| Size | 42 MB | 78 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JAEHA LEE](https://appshunter.io/developer/1743533367) | [LeanAgileHungry Inc.](https://appshunter.io/developer/1796984931) |

## What reviewers say

### Calert

[App page](https://appshunter.io/ios/app/calert/id6737229946)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calert Plus Monthly | $1.99 | per month |
| Calert Premium 월간 구독 | $1.99 | per month |


### Spiralday

[App page](https://appshunter.io/ios/app/spiralday/id6818437748)

Organize your day with a digital planner that mimics the feel of paper. Track tasks, manage your time in 10-minute intervals, and decorate your planner with notes, stickers, and photos. Sync across devices for seamless planning.

**Highlights:** 10-minute time blocking, Task completion tracking (complete, partial, postponed), Customizable planner layouts, Digital stickers and memo pads, Daily, weekly, and monthly statistics, PDF export for plans, Cross-device synchronization

**In-app purchases:** none


## Frequently asked questions

### Is Calert free?

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

### Is Spiralday free?

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

### Do Calert or Spiralday have ads?

Neither Calert nor Spiralday shows ads.

### Which is updated more often, Calert or Spiralday?

Calert ships an update every 4 days, and Spiralday every 4 days. Most recently, Calert was updated on November 4, 2026 and Spiralday on November 6, 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.*