# ABUS cMAP vs Next Big Day

The clearest difference is in-app purchases: ABUS cMAP at none against Next Big Day's 1. ABUS cMAP also leads on iOS requirement (13.0 vs 18.6). Next Big Day's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Next Big Day sells 1 one-off in-app purchase. ABUS cMAP asks for nothing beyond the download.

ABUS cMAP ships an update every 6 weeks, Next Big Day every 2 weeks. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ABUS cMAP | Next Big Day |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/next-big-day-event-countdown/id6759345908/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 56 MB | 24 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ABUS August Bremicker Söhne KG](https://appshunter.io/developer/1402043635) | [Gemsheer Chalil](https://appshunter.io/developer/1777244155) |

## What reviewers say

### ABUS cMAP

[App page](https://appshunter.io/ios/app/abus-cmap/id1555697987)

Enhance security and efficiency with digital control of physical locks. Track location, set geofences, and receive acoustic alarms for unauthorized access. Manage users, define access rules, and monitor lock performance like battery and connectivity.

**Highlights:** Real-time location tracking, Geofencing for access control, Acoustic alarms for unauthorized access, Keyless operation via app button, Detailed lock performance documentation, Customizable access rules and time windows, Push notifications for events

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

**In-app purchases:** none


### Next Big Day

[App page](https://appshunter.io/ios/app/next-big-day-event-countdown/id6759345908)

Visualize your year with a unique dot matrix timeline and countdown to important events. Add tasks, notes, and photos to create rich memory journals. Share custom countdown images and sync with your Apple Calendar.

**Highlights:** Yearly dot matrix timeline visualization, Event countdowns for milestones, Home screen widgets, Event planning with tasks and notes, Rich memory journaling, Custom countdown image sharing, Apple Calendar sync

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $8.99 | one-time |


## Frequently asked questions

### Is ABUS cMAP free?

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

### Is Next Big Day free?

Next Big Day is free to download, with in-app purchases available.

### Do ABUS cMAP or Next Big Day have ads?

Neither ABUS cMAP nor Next Big Day shows ads.

### Which is updated more often, ABUS cMAP or Next Big Day?

ABUS cMAP ships an update every 6 weeks, and Next Big Day every 2 weeks. Most recently, ABUS cMAP was updated on October 3, 2026 and Next Big Day 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.*