DataLogger vs ACS SmartAccess
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DataLogger
Control MSR data loggers from your mobile device. Configure loggers, view sensor data in real-time, and upload recordings to the cloud. Connects to multiple loggers via Bluetooth Low Energy.
- Control MSR data loggers
- Configure logger settings
- View sensor data online
- Record sensor data
- Upload data to MSR Smart Cloud
- Connect via Bluetooth Low Energy (BLE)
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This application enables mobile devices to control MSR data loggers. It provides logger configuration and viewing online and record sensor data. Record data can be uploaded to MSR Smart Cloud. The mobile device connects to multiple loggers using Bluetooth Low Energy (BLE).
ACS SmartAccess
This app demonstrates access control features using compatible ACS Bluetooth readers and smart cards. It requires specific hardware to unlock its full functionality for secure access management.
- Access Control demonstration
- Bluetooth reader integration
- Smart card compatibility
- Secure access management
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ACS SmartAccess is an application that demonstrates Access Control usage for ACS Bluetooth Readers. To fully access the application's features, connect an ACS Bluetooth Reader and use with a smart card. Supported smart card readers are ACR3901U-S1 Secure Bluetooth Contact Card Reader and ACR1255U-J1 Secure Bluetooth NFC Reader. Supported smart cards types are ACOS3 and Mifare Classic.
Screenshots
Verdict
The clearest difference is rating: DataLogger at 2.0 against ACS SmartAccess's 1.0. DataLogger also leads on update cadence (every 4 months vs every 10 months). ACS SmartAccess's advantage is iOS requirement (8.0 vs 12.0). On price, review sentiment, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
DataLogger holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.
DataLogger ships an update every 4 months, ACS SmartAccess every 10 months. The most recent releases landed on October 4, 2026 and September 24, 2026 respectively.
| Parameter | DataLogger | ACS SmartAccess |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (3 ratings) — better | 1.0 (2 ratings) |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 4 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | MSR Electronics GmbH | Advanced Card Systems Ltd. |
Customer experience
DataLogger
ACS SmartAccess
In-app purchases
DataLogger
No in-app purchases
ACS SmartAccess
No in-app purchases
Questions
Is DataLogger free?
Is ACS SmartAccess free?
Which has better reviews, DataLogger or ACS SmartAccess?
Do DataLogger or ACS SmartAccess have ads?
Which is updated more often, DataLogger or ACS SmartAccess?
Other comparisons
