Comparison

OiSee vs NR SPARK

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

★ 4.01 ratingsView app →

About

OiSee

Read full description

This APP is connected to the dental mirror device through Wifi, and can display the real-time picture of the lens on the mobile device, which can help to clearly check the degree of tooth cleaning.

About

NR SPARK

Create visually engaging LED displays to personalize your environment. This app allows for the creation of dynamic and interesting light patterns, adding a unique aesthetic to your surroundings. Enhance your living space with customizable LED art.

Highlights

Customizable LED displays
Dynamic light patterns
Personalized aesthetic
Unique visual art creation

Features

Read full description

Interesting LED displays make your life more interesting.

Screenshots

OiSee4 screens

NR SPARK4 screens

Verdict

The call

The clearest difference is update cadence: NR SPARK at every 2 months against OiSee's every 5 months. OiSee's advantage is iOS requirement (9.0 vs 12.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OiSee ships an update every 5 months, NR SPARK every 2 months. The most recent releases landed on December 6, 2025 and June 11, 2026 respectively.

Scorecard2 real differences · 8 level

OiSee versus NR SPARK: the parameters behind the verdict, then further details
Parameter	OiSee	NR SPARK
Price	Free	Free
Rating	—	4.0 (1 ratings) — better
Positive reviews	—	66.7% of reviews
Number of ratings	—	1 — better
Update frequency	Every 5 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	9.0 — better	12.0
Further details — not scored
Size	16 MB	54 MB
Age rating	4+	17+
Developer	Guangzhou T.K Medical Instrument Co., Ltd.	超杨

In-app purchases

None

OiSee

No in-app purchases

None

NR SPARK

No in-app purchases

Questions

Is OiSee free?

OiSee is free to download, with no in-app purchases.

Is NR SPARK free?

NR SPARK is free to download, with no in-app purchases.

Do OiSee or NR SPARK have ads?

Neither OiSee nor NR SPARK shows ads.

Which is updated more often, OiSee or NR SPARK?

OiSee ships an update every 5 months, and NR SPARK every 2 months. Most recently, OiSee was updated on December 6, 2025 and NR SPARK on June 11, 2026.