Comparison

Circle timer vs DOS Focus

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

Head to head
About

Circle timer

Read full description

This is a timer that lets you visually check the remaining time. The pie chart gradually disappears, and when it completely disappears an alarm will sound. The time can be set from 1 to 60 minutes You can measure the time exceeded by changing the settings. This can be useful for studying for exams, etc. Please give it a try.

About

DOS Focus

Enhance concentration with nostalgic computer sounds and a distraction-free environment. Customize focus sessions, track progress, and personalize your interface with classic DOS themes for improved productivity.

Highlights
  • Retro soundscapes
  • Customizable focus sessions
  • Focus progress reports
  • Classic DOS themes
  • Offline and minimal design
Features
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Defragment your mind and restore clarity — one retro beep at a time. DOS Focus helps you stay in the zone using nostalgic computer sounds that bring a calm, distraction-free atmosphere. Whether you’re working, studying, or just taking a digital detox, this app turns your focus sessions into a retro experience. Features: • Retro Soundscapes — Immerse yourself in the soothing hum of old-school computers. • Custom Focus Sessions — Choose from quick 15-minute sprints to deep 4-hour marathons. • Focus Report — Track your sessions and see how your concentration improves over time. • Retro Themes — Personalize your screen with classic DOS colors — from Cyan to Magenta. • No distractions — Simple, offline, and minimal. Just focus. Why it works: Retro sounds evoke a sense of calm and simplicity. DOS Focus eliminates digital clutter so your brain can reboot, recharge, and refocus — like defragmenting your hard drive. Whether you’re a developer, writer, student, or anyone craving quiet productivity, DOS Focus brings back the feeling of working on a clean, timeless system — where nothing interrupts your flow. - Reboot your focus. Reclaim your clarity. - Welcome to DOS Focus.

Screenshots

Circle timer3 screens
DOS Focus4 screens

Verdict

The call

The clearest difference is price: DOS Focus at Free against Circle timer's $0.99. Circle timer's advantage is in-app purchases (none vs 2) and update cadence (every 4 days vs every 3 months). On ads 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

DOS Focus is free to download; Circle timer costs $0.99 up front. DOS Focus sells 2 in-app purchases, starting at $17.99 per year. Circle timer asks for nothing beyond the download.

UpkeepUpdate frequency

Circle timer ships an update every 4 days, DOS Focus every 3 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

Scorecard4 real differences · 5 level
Circle timer versus DOS Focus: the parameters behind the verdict, then further details
ParameterCircle timerDOS Focus
Price$0.99Free — better
Rating—4.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 4 days — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.4 — better18.6
Further details — not scored
Size1 MB105 MB
Age rating4+4+
Developerhideo nakamuraNguyen Vu Thai

In-app purchases

None

Circle timer

No in-app purchases

2 purchases

DOS Focus

Subscriptions1
  • Try DOS FOCUS PRO$17.991 Year
One-time1
  • Try DOS FOCUS PRO$8.99

Questions

Is Circle timer free?
Circle timer costs $0.99, with no in-app purchases.
Is DOS Focus free?
DOS Focus is free to download, with in-app purchases available.
Do Circle timer or DOS Focus have ads?
Neither Circle timer nor DOS Focus shows ads.
Which is updated more often, Circle timer or DOS Focus?
Circle timer ships an update every 4 days, and DOS Focus every 3 months. Most recently, Circle timer was updated on September 17, 2026 and DOS Focus on September 18, 2026.

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