Comparison

Invincible LightStick vs Useless Keyboard

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

Head to head
About

Invincible LightStick

Control your concert Bluetooth lightstick with various effects and animations. Sync with music, create custom light shows, and test unknown devices. A free version offers limited use, with options to watch ads for temporary boosts or subscribe for unlimited access.

Highlights
  • Bluetooth lightstick control
  • Manual color and blinking effects
  • Built-in light animations
  • Music synchronization via microphone
  • Custom LightScript shows
  • Test mode for unknown devices
Features
Read full description

Invincible LightStick is a concert-focused app that lets you control Bluetooth lightsticks, supporting brands like Mayday, TWICE, IVE, BABYMONSTER, and LE SSERAFIM. Automatically detects and connects to popular lightsticks Manual effects like color picker, blinking, and breathing light Built-in animations: rainbow breath, pink party, fade, and more Syncs with music using microphone-based rhythm analysis Play your custom LightScript light shows Test Mode supports connecting and reporting unknown devices Free version: 1 device + 5 minutes of playtime Watch ads to temporarily increase devices or time, or subscribe for unlimited access! Download Invincible LightStick now and light up the concert like never before!

About

Useless Keyboard

Features
Read full description

Useless Keyboard is a tiny, cute, and intentionally “useless” little app. It is not a real keyboard, and it is not a productivity tool. It is a small quiet space on your phone where you can tap soft keys, hear gentle sounds, look at cozy themes, and let your mind drift for a while. You can switch between different themes: Cream Bakery, Pink Diary, Cat Night, and withyou. The withyou theme was created in memory of my cockatiel, Qiuqiu. Qiuqiu stayed by my side for 1,975 days and often stood in front of my computer, quietly keeping me company while I worked. So I left a little place for Qiuqiu inside this app: during the day, Qiuqiu looks toward you through the rain; at night, the little bird falls asleep beneath warm lamplight and soft moonlight. In Sleepy Mode, the app plays gentle background sounds and slowly types out quiet words. You can set a 15, 30, or 45 minute sleep timer, letting the sounds and words fade out gently. Useless Keyboard does not try to do too much. It is simply here to keep you company for a little while when you feel bored, sleepy, distracted, or just want a small moment of calm.

Screenshots

Invincible LightStick4 screens
Useless Keyboard4 screens

Verdict

The call

The clearest difference is update cadence: Invincible LightStick at every 10 days against Useless Keyboard's every 2 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

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

Invincible LightStick ships an update every 10 days, Useless Keyboard every 2 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
Invincible LightStick versus Useless Keyboard: the parameters behind the verdict, then further details
ParameterInvincible LightStickUseless Keyboard
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 10 days — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size21 MB70 MB
Age rating4+4+
DeveloperLichuan Cheng航 王

In-app purchases

None

Invincible LightStick

No in-app purchases

None

Useless Keyboard

No in-app purchases

Questions

Is Invincible LightStick free?
Invincible LightStick is free to download, with no in-app purchases.
Is Useless Keyboard free?
Useless Keyboard is free to download, with no in-app purchases.
Do Invincible LightStick or Useless Keyboard have ads?
Neither Invincible LightStick nor Useless Keyboard shows ads.
Which is updated more often, Invincible LightStick or Useless Keyboard?
Invincible LightStick ships an update every 10 days, and Useless Keyboard every 2 months. Most recently, Invincible LightStick was updated on November 5, 2026 and Useless Keyboard on October 31, 2026.

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