Calendarweek Widget vs BMS UPGRADE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calendarweek Widget
This app provides convenient widgets to display the current calendar week on your lock screen or home screen. Customize your widget's appearance to suit your preferences.
- Lock screen widgets
- Home screen widgets
- Customizable background styles
- At-a-glance calendar week view
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You want to see the current calendar week directly at a glance? Then Calendarweek Widget is just what you need! Choose from two lock screen widgets to find the one that suits you best. Or create a widget on your homescreen that changes its background style every month.
BMS UPGRADE
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Smart tool for upgrade the lithium batteries BMS, For increasing stability, bugs fixing and performance improvements.
Screenshots
Verdict
The clearest difference is update cadence: BMS UPGRADE at monthly against Calendarweek Widget's every 16 months. BMS UPGRADE also leads on iOS requirement (12.0 vs 16.0). On price, ads, in-app purchases and device support 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.
Calendarweek Widget ships an update every 16 months, BMS UPGRADE monthly. The most recent releases landed on June 10, 2026 and September 17, 2026 respectively.
| Parameter | Calendarweek Widget | BMS UPGRADE |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 16 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 12 MB |
| Age rating | 12+ | 9+ |
| Developer | Florian Lenk | Lithiumhub LLC |
In-app purchases
Calendarweek Widget
No in-app purchases
BMS UPGRADE
No in-app purchases
Questions
Is Calendarweek Widget free?
Is BMS UPGRADE free?
Do Calendarweek Widget or BMS UPGRADE have ads?
Which is updated more often, Calendarweek Widget or BMS UPGRADE?
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