Wristwatch calendar vs Star Data
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wristwatch calendar
A straightforward calendar application designed for Apple Watch. It provides a simple way to view your schedule directly on your wrist. Compatible with iPhone and iPod as well.
- Apple Watch display
- Simple calendar view
- iPhone and iPod compatibility
- Free to use
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It is a simple calendar displayed on Apple Watch.
Star Data
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Star Data App is an App under DEEPER CO., LTD. that integrates the functions of purchasing and recharging of WiFi, SIM card and eSIM in one. Users can purchase global data, and recharge various data packages on it anytime and anywhere. It is easy to operate, supports multiple languages and multiple currency formats and ready to provide convenience for your life and travel.
Screenshots
Verdict
The clearest difference is update cadence: Wristwatch calendar at monthly against Star Data's every 3 months. 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.
Wristwatch calendar ships an update monthly, Star Data every 3 months. The most recent releases landed on June 1, 2026 and August 2, 2026 respectively.
| Parameter | Wristwatch calendar | Star Data |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 7 MB | 35 MB |
| Age rating | 4+ | 17+ |
| Developer | YKR | Deeper Co., Ltd. |
In-app purchases
Wristwatch calendar
No in-app purchases
Star Data
No in-app purchases
Questions
Is Wristwatch calendar free?
Is Star Data free?
Do Wristwatch calendar or Star Data have ads?
Which is updated more often, Wristwatch calendar or Star Data?
Other comparisons
