# ABUS SmartX vs Serial 1

The clearest difference is review sentiment: Serial 1 at 75% against ABUS SmartX's 20%. Serial 1 also leads on rating (4.0 vs 3.0) and update cadence (every 2 months vs every 5 months). ABUS SmartX's advantage is iOS requirement (12.0 vs 18.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Serial 1 holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews point the same way: 20% of ABUS SmartX's written reviews are positive against 75% of Serial 1's.

ABUS SmartX ships an update every 5 months, Serial 1 every 2 months. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ABUS SmartX | Serial 1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (7 ratings)](https://appshunter.io/ios/app/abus-smartx/id1460768687/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/serial-1/id6737417988/reviews)** |
| Number of ratings | **7** | 4 |
| Positive reviews | 19.5% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 105 MB | 103 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ABUS August Bremicker Söhne KG](https://appshunter.io/developer/1402043635) | [Serial 1](https://appshunter.io/developer/1600110996) |

## What reviewers say

### ABUS SmartX

[App page](https://appshunter.io/ios/app/abus-smartx/id1460768687)

Transform your smartphone into a digital key for mechatronic alarm locks. Enjoy convenient unlocking and closing via secure Bluetooth, and manage access for up to eight additional users. Ideal for groups and families needing to manage multiple locks.

**Highlights:** Smartphone as digital key, Secure Bluetooth unlocking, Access authorization sharing, Manage multiple locks, Temporary access grants, Group and family management

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

**In-app purchases:** none


### Serial 1

[App page](https://appshunter.io/ios/app/serial-1/id6737417988)

Enhance your eBike journey with a premium digital companion. This app offers app-controlled security and safety, turn-by-turn navigation, and real-time ride data directly from your eBike.

**Highlights:** App-controlled security, Safety features, Turn-by-turn navigation, Real-time ride data, eBike companion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ABUS SmartX free?

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

### Is Serial 1 free?

Serial 1 is free to download, with no in-app purchases.

### Which has better reviews, ABUS SmartX or Serial 1?

Serial 1 is rated higher. ABUS SmartX averages 3.0 out of 5 from 7 ratings, while Serial 1 averages 4.0 from 4 ratings.

### Do ABUS SmartX or Serial 1 have ads?

Neither ABUS SmartX nor Serial 1 shows ads.

### Which is updated more often, ABUS SmartX or Serial 1?

ABUS SmartX ships an update every 5 months, and Serial 1 every 2 months. Most recently, ABUS SmartX was updated on September 20, 2026 and Serial 1 on September 18, 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.*