ZAGG Keyboard vs Keep warm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZAGG Keyboard
This application updates the firmware for Bluetooth keyboards paired with Apple devices. It automatically checks if an update is available and performs the necessary firmware maintenance.
- Bluetooth keyboard firmware updates
- Automatic update detection
- Maintains keyboard performance
- Compatible with Apple devices
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ZAGG Keyboard APP, this APP will help maintain the keyboards firmware in the field by update the Bluetooth keyboards firmware if paired to the Apple Device. When running the APP, the program will automatically indicate if the keyboard needs an update or not.
Keep warm
Control the heating temperature of your smart socks via Bluetooth from your smartphone. This app allows for seamless pairing and temperature adjustment, enhancing your comfort and quality of life.
- Bluetooth pairing
- Temperature control
- Smart life integration
- Improved comfort
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Keep Warm is an intelligent APP, which can control the heating temperature of your heated socks by smartphone. Simply pair the Bluetooth signal of the heated socks via Bluetooth on your phone and start using the app. Start a smart life and improve your quality of life with Keep Warm.
Screenshots
Verdict
The clearest difference is update cadence: Keep warm at weekly against ZAGG Keyboard's every 5 weeks. Keep warm also leads on review sentiment (33% vs 22%) and iOS requirement (11.0 vs 14.0). On price, rating, 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.
On the App Store both sit at effectively the same score — 1.9 for ZAGG Keyboard against 1.9 for Keep warm. Both are backed by a comparable volume of ratings — 40 and 14 respectively. Written reviews are what separate them: 22% of ZAGG Keyboard's written reviews are positive against 33% of Keep warm's.
ZAGG Keyboard ships an update every 5 weeks, Keep warm weekly. The most recent releases landed on July 14, 2026 and June 1, 2026 respectively.
| Parameter | ZAGG Keyboard | Keep warm |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (40 ratings) | 1.9 (14 ratings) — better |
| Positive reviews | 22.0% of reviews | 33.3% of reviews — better |
| Number of ratings | 40 — better | 14 |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 成 林 | Shenzhen Mijia Investment Co.,Ltd |
Customer experience
ZAGG Keyboard
Keep warm
In-app purchases
ZAGG Keyboard
No in-app purchases
Keep warm
No in-app purchases
