Keep warm vs DNT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
DNT
This application connects to a proprietary digital scope via Wi-Fi to provide video preview and management of recorded videos and photos. It also offers ballistic calculation settings and basic digital scope functions like video recording control and zeroing.
- Wi-Fi connection to digital scope
- Video preview
- Video recording control
- Zeroing function
- Recorded video/photo management
- Ballistic calculation settings
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The APP can be used to connect to the our digital scope with Wi-Fi (The digital scope is manufactured by us), and has the following main functions. Video preview Basic digital scope functions, include video recording control and zeroing Recorded video/photo management Ballistic calculation settings Note: The digital scope is a pure optical tool, and our APP only do the calculation parameter settings and data management. It does not control the mechanic motion apart from our digital scope of any sort.
Screenshots
Verdict
The clearest difference is rating: DNT at 3.1 against Keep warm's 1.9. Keep warm's advantage is update cadence (weekly vs every 5 weeks) and iOS requirement (11.0 vs 15.6). 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.
DNT holds the better App Store score, 3.1 against 1.9. Both are backed by a comparable volume of ratings — 14 and 31 respectively. Written reviews complicate that: 33% of Keep warm's written reviews are positive against 32% of DNT's, so the app with the better star average is not the one people write more warmly about.
Keep warm ships an update weekly, DNT every 5 weeks. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.
| Parameter | Keep warm | DNT |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (14 ratings) | 3.1 (31 ratings) — better |
| Positive reviews | 33.3% of reviews — better | 31.6% of reviews |
| Number of ratings | 14 | 31 — better |
| Update frequency | Weekly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 2 MB | 25 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen Mijia Investment Co.,Ltd | DNT Optics, LLC |
Customer experience
Keep warm
DNT
In-app purchases
Keep warm
No in-app purchases
DNT
No in-app purchases
