Keepsmile vs NDSU UScan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Keepsmile
Control a wide range of smart lighting products, including strip lights, bulbs, and lamps. Adjust colors, brightness, and settings for various lighting types like pool lamps and car lights.
- Control strip lights
- Manage LED bulbs
- Operate floor lamps
- Adjust wake lights
- Control star lights
- Manage car lights
- Operate pool lamps
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Keepsmile app makes it easy to take full advantage of Keepsmile products: Strip lights,Led bulb,Floor lamp,Wake light, Stars Light, Car light,Ceiling light(RGBCW),Flood light,Magic Ball light,Ceiling light(CCT),Ceiling light(RGB+CW),Pool lamp
NDSU UScan
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NDSU UScan is the easiest way to checkout items at NDSU Libraries. No need to stand in line at the circulation desk. Simply scan your books with your phone or tablet and go! To borrow books: Download the app to your phone Open the app and Login with your NDSU login and password Use your phone's camera to take pictures of the barcodes on the items you want to check out. For questions, contact us at 701-231-8888 or at ndsu.library@ndsu.edu.
Screenshots
Verdict
The clearest difference is ads: NDSU UScan at none against Keepsmile's shown. Keepsmile's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, 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.
Keepsmile ships an update every 3 weeks, NDSU UScan monthly. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.
| Parameter | Keepsmile | NDSU UScan |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (4.8K ratings) — better | — |
| Positive reviews | 20.1% of reviews | — |
| Number of ratings | 4.8K — better | — |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 122 MB | 408 MB |
| Age rating | 4+ | 17+ |
| Developer | 深圳市优智达科技有限公司 | Meescan Inc. |
Bugs and requests
Keepsmile
Reported bugs
4 issues- Lights randomly change color
- App crashes or freezes
- Bluetooth connection issues
- Inability to log in or register
Requested features
4 requests- More customization options
- Ability to create custom light patterns
- Integration with smart home platforms
- Option to disable ads
NDSU UScan
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Keepsmile
No in-app purchases
NDSU UScan
No in-app purchases
Questions
Is Keepsmile free?
Is NDSU UScan free?
Do Keepsmile or NDSU UScan have ads?
Which is updated more often, Keepsmile or NDSU UScan?
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