S7 Link vs POWERBELY
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
S7 Link
Read full descriptionHide full description
A NEW APP, THE FUNCTIONS YOU KNOW โข All the functions and tabs of previous versions are kept: pushbutton panel, manual commands, variables, alarms, point tables, PLC links, CPU status, date and time, backup and sharing โข Updating keeps your connections, tables, options and purchases; backups made with iS7 can be restored SUPPORTED PLCS CPUs of the S7-300, S7-400, S7-1200 and S7-1500 families and LOGO!, reachable on the network through ISO on TCP (RFC 1006). S7-1200 and S7-1500 need PUT/GET access enabled and DBs without optimized access. IN-APP PURCHASE Alarm management on real PLCs is available as an in-app purchase. Whoever has already bought it keeps it. SAFETY S7 Link can write to PLCs and act on machinery in operation. Use it with care and at your own risk, and do not rely on it for safety functions. In the background, iOS decides when alarms are checked, and it can be hours apart. Requires iOS 26 or later. Siemens, SIMATIC and S7 are trademarks of Siemens AG. S7 Link is an independent product, not affiliated with or endorsed by Siemens.
POWERBELY
Read full descriptionHide full description
The POWERBELY intelligent battery management system can monitor the battery status through Bluetooth connection, collect, store and process the information during battery operation in real time, exchange information with external devices, solve the key problems of the safety, ease of use and service life of the lithium battery system, extend the service life of the battery, and enhance the stability of the battery after grouping. 1. Display real-time voltage, current, power and other parameter values in instrument panel and digital form; 2. Display the real-time voltage, alarm status and trigger alarm value or protection value of all single batteries; 3. Comparison of each data of the cells and voltage difference. The maximum voltage and minimum voltage of the series or parallel battery packs, the maximum voltage and minimum voltage of the battery cells during the monitoring of a single battery. And display of cell balancing status. 4. Warning of cells' temperature. Real time alarm and protection times for high/low temperature, charge/discharge overcurrent, short circuit, overvoltage and undervoltage. 5. Record warnings history that occur at every moment. 6. Support simultaneous connection of multiple batteries and calculation of serial and parallel connections. 7. Support the simultaneous viewing of the cells status and cells balance of multiple groups of batteries. 8. Compatible with POWERBELY batteries of different models. Hope POWERBELY can help you understand more about the convenience of battery use.
Screenshots
Verdict
The clearest difference is price: POWERBELY at Free against S7 Link's $14.99. POWERBELY also leads on in-app purchases (none vs 3) and update cadence (every 2 weeks vs every 4 months). On ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
POWERBELY is free to download; S7 Link costs $14.99 up front. S7 Link sells 3 one-off in-app purchases. POWERBELY asks for nothing beyond the download.
S7 Link ships an update every 4 months, POWERBELY every 2 weeks. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.
| Parameter | S7 Link | POWERBELY |
|---|---|---|
| Price | $14.99 | Free โ better |
| Update frequency | Every 4 months | Every 2 weeks โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 11.0 โ better |
| Further details โ not scored | ||
| Size | 10 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Carlo Trotti | Shenzhen Bely Energy Technology Co., Ltd. |
In-app purchases
S7 Link
- Alarms$2.99
- Charts$2.99
- OPC Client$4.99
POWERBELY
No in-app purchases
Questions
Is S7 Link free?
Is POWERBELY free?
Do S7 Link or POWERBELY have ads?
Which is updated more often, S7 Link or POWERBELY?
Other comparisons















