# BigDays NEXT vs Lost Cat!

The clearest difference is in-app purchases: Lost Cat! at none against BigDays NEXT's 3. Lost Cat! also leads on ads (none vs shown) and iOS requirement (15.0 vs 26.0). BigDays NEXT's advantage is update cadence (every 9 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. BigDays NEXT sells 3 one-off in-app purchases. Lost Cat! asks for nothing beyond the download.

BigDays NEXT ships an update every 9 days, Lost Cat! every 2 months. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | BigDays NEXT | Lost Cat! |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 19 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Geumsong Park](https://appshunter.io/developer/1256896727) | [Aviiron](https://appshunter.io/developer/1869587022) |

## What reviewers say

### BigDays NEXT

[App page](https://appshunter.io/ios/app/bigdays-next/id1317506340)

Easily manage your important dates with this utility app. It offers lunar and solar date input, timely notifications, and a convenient widget to keep track of upcoming events. Backup and restore your data via Dropbox.

**Highlights:** Lunar/Solar date input, Daily notification alerts, App badge countdown, Today widget, Dropbox backup/restore

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donate STEP1 | $0.99 | one-time |
| Donate STEP2 | $4.99 | one-time |
| Donate STEP3 | $9.99 | one-time |


### Lost Cat!

[App page](https://appshunter.io/ios/app/lost-cat/id6757943313)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BigDays NEXT free?

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

### Is Lost Cat! free?

Lost Cat! is free to download, with no in-app purchases.

### Do BigDays NEXT or Lost Cat! have ads?

BigDays NEXT shows ads; Lost Cat! does not.

### Which is updated more often, BigDays NEXT or Lost Cat!?

BigDays NEXT ships an update every 9 days, and Lost Cat! every 2 months. Most recently, BigDays NEXT was updated on October 2, 2026 and Lost Cat! on October 1, 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.*