Comparison

StudyArena vs Lofi Desk

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

Head to head
About

StudyArena

Features
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ストップウォッチで勉強時間を測って、友達と競いモチベーションを高めるのを目的として作ったアプリです。

About

Lofi Desk

Features
Read full description

Let's focus, together. LofiDesk is a focus timer where PC GIRL, the girl next to you in a pixel-art room, works alongside you. Start with 25 minutes, with lofi music and the sound of rain. ■ Focus and breaks • A Pomodoro timer that repeats 25 minutes of focus and 5-minute breaks • When a session ends, PC GIRL lets you know out loud • On breaks she sips coffee, stretches, or gazes out the window ■ Rooms and outfits • Swap room sets: the usual room, cafe, game, retro • The light changes with the time of day: morning, noon, sunset, night • Change her hair, extras, clothes and colors • Save your favorite looks and switch in one tap ■ Music and ambience • Pick lofi for work and study on CD • Rain, waves, river, forest, fire, cafe and train ambience (Premium) ■ Log and coins • Your focus time turns into coins you can spend on furniture • See your focus time by week and month ■ Premium (one-time purchase) Buy once to unlock every room set and piece of furniture, outfit, color, CD and ambient sound. No subscription. Prefer the old look? Switch back anytime in Settings → Classic view.

Screenshots

StudyArena4 screens
Lofi Desk4 screens

Verdict

The call

The clearest difference is in-app purchases: StudyArena at none against Lofi Desk's 1. Lofi Desk's advantage is ads (none vs shown) and update cadence (every 8 days vs monthly). On price 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. Lofi Desk sells 1 one-off in-app purchase. StudyArena asks for nothing beyond the download.

UpkeepUpdate frequency

StudyArena ships an update monthly, Lofi Desk every 8 days. The most recent releases landed on October 28, 2026 and October 21, 2026 respectively.

Scorecard4 real differences · 2 level
StudyArena versus Lofi Desk: the parameters behind the verdict, then further details
ParameterStudyArenaLofi Desk
PriceFreeFree
Update frequencyMonthlyEvery 8 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.515.1 — better
Further details — not scored
Size23 MB138 MB
Age rating12+4+
DeveloperYasuhiro OgawaSHINGO IRIE

In-app purchases

None

StudyArena

No in-app purchases

1 purchases

Lofi Desk

One-time1
  • Premium$4.99

Questions

Is StudyArena free?
StudyArena is free to download, with no in-app purchases.
Is Lofi Desk free?
Lofi Desk is free to download, with in-app purchases available.
Do StudyArena or Lofi Desk have ads?
StudyArena shows ads; Lofi Desk does not.
Which is updated more often, StudyArena or Lofi Desk?
StudyArena ships an update monthly, and Lofi Desk every 8 days. Most recently, StudyArena was updated on October 28, 2026 and Lofi Desk on October 21, 2026.

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