Comparison

O2Nails vs 30sec Nails Pen App

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

Head to head
About

O2Nails

This app allows users to create and download nail art designs using their mobile phone. It offers a vast library of designer styles, easy classification of common designs, and tools for custom drawing and pattern creation. Users can then share their creations instantly.

Highlights
  • Mass designer style downloads
  • Classification of common styles
  • Easy drawing and pattern design
  • Instant sharing of creations
  • Mobile nail art college
Features
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O2NAILS college Powerful fashion nail art college APP Using a mobile phone to spin nail college 1. Mass designer style to download College 2. Optional classification commonly used style A key to college 3. Easily coloured drawing or pattern design college 4. Immediately forwarded to share in the latest fashion

About

30sec Nails Pen App

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30 Sec Nails Pen – The Master Lab for Your Nails Your Entire Nail Polish Collection in 5 Pens Stop buying endless bottles of nail polish that dry out before you can use them. With 30 Sec Nails Pen app and the kit containing mixing pens, you hold the entire color spectrum in the palm of your hand. Get that perfect shade that is just a code away. Use our high-precision mixing pens in Red, Yellow, Blue, Black, and White to recreate several shades. One Kit = 800 Nails. It’s the only nail kit you need. How It Works: Dial, Mix, Create Remove the guesswork. Here is exactly how to get a professional custom color in seconds: SELECT: Open the app and pick your desired shade from our curated color library. DIAL: The app will give you a code for each pen (e.g., Red: 0.5, White: 1). Rotate the scale marker on each of your pens to the corresponding numbers. EXTRUDE: Press to release the precise volume of gel onto your mixing palette. MIX & PAINT: Blend the base colors together with your brush and apply! Core App Features One-Click Mixing Guidance: Browse our massive library of trending shades. Found one you love? Tap it, and the app instantly calculates the exact formula for your pens. Color-Match Technology: Our app is calibrated to the exact pigment density of your Red, Yellow, Blue, Black, and White base colors. This ensures the digital shade you see on your screen is the exact color you get on your nails once mixed. Your "My Collection" Library: Save your favorite shades to use them in the future. Your personal library gives you instant access to your favorites to hop onto whenever you're ready for a fresh set. Independent Mixing Interface: Feeling creative? Manually adjust the ratios of your 5 base colors to invent your own custom tones and see the results update in real-time. Download 30 Sec Nails Pen and get the perfect mix, every single time.

Screenshots

O2Nails4 screens
30sec Nails Pen App4 screens

Verdict

The call

The clearest difference is update cadence: O2Nails at every 2 months against 30sec Nails Pen App's every 4 months. O2Nails also leads on iOS requirement (12.0 vs 15.6). 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

O2Nails ships an update every 2 months, 30sec Nails Pen App every 4 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

Scorecard2 real differences · 8 level
O2Nails versus 30sec Nails Pen App: the parameters behind the verdict, then further details
ParameterO2Nails30sec Nails Pen App
PriceFreeFree
Rating2.5 (30 ratings) — better—
Positive reviews26.1% of reviews—
Number of ratings30 — better—
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size60 MB25 MB
Age rating17+4+
DeveloperGuangzhou Taiji Electronic Co., Ltd.Hyperlink Infosystem

In-app purchases

None

O2Nails

No in-app purchases

None

30sec Nails Pen App

No in-app purchases

Questions

Is O2Nails free?
O2Nails is free to download, with no in-app purchases.
Is 30sec Nails Pen App free?
30sec Nails Pen App is free to download, with no in-app purchases.
Do O2Nails or 30sec Nails Pen App have ads?
Neither O2Nails nor 30sec Nails Pen App shows ads.
Which is updated more often, O2Nails or 30sec Nails Pen App?
O2Nails ships an update every 2 months, and 30sec Nails Pen App every 4 months. Most recently, O2Nails was updated on October 24, 2026 and 30sec Nails Pen App on October 22, 2026.

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