Comparison

Celtic Timer vs Linear Timer+

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

Head to head
About

Celtic Timer

This app helps coordinate group timers for boss battles in Celtic Heroes. Create private groups, invite members, and ensure everyone has synchronized, up-to-date timers for strategic gameplay.

Highlights
  • Group timer creation
  • Private group invitations
  • Synchronized boss timers
  • Up-to-date timer information
  • Customizable group names
Read full description

This is a Timer app created for synced boss timers for Celtic Heroes. Create your own group name and password and invite your members and always have up to date timers!

About

Linear Timer+

This app provides a visually minimal interval timer to enhance focus and build routines. It allows for multiple simultaneous timers, customizable intervals with color-coding, and features like Pomodoro mode and scheduled starts. Smart audio cues and second-level precision support various activities.

Highlights
  • Run multiple independent timers
  • Customizable intervals with color-coding
  • Pomodoro mode with configurable durations
  • Scheduled timers for automatic starts
  • Save and reuse timer presets
  • Voice, haptic, and transition sound cues
  • Second-level duration support
Features
Read full description

Linear Timer+ is an interval timer built for people who work in structured blocks — focus sessions, workout sets, study sprints, cooking timers, or any sequence of named activities. Most timers count down to zero. Linear Timer+ lets you build a full sequence: 25 minutes of FOCUS, 5 minutes of BREAK, then repeat. Each interval has its own label, duration, and color. The timer moves through them automatically, chiming at each transition. Named intervals — call them whatever reflects your actual work. DEEP WORK. STRETCH. COOLDOWN. COLD PLUNGE. Your labels, your rhythm. Live Activity — the timer stays visible on your lock screen and in the Dynamic Island. See your current interval and a live progress bar without touching your phone. Works with screen off — sounds and voice cues fire reliably in the background. Lock your phone and walk away. Logbook — a private on-device record of your focus history. Total time, weekly comparison, a 7-day chart, and time broken down by each of your activity labels. No punishing streaks — just honest information about how you actually spend structured time. Voice cues — optional spoken announcements at each transition: the interval name, time remaining, what's coming up next. Multiple timers — run independent sessions side by side. A workout and a work block at the same time. Scheduled starts — set timers to auto-start at specific times on specific days. Presets — save your favorite configurations and load them in one tap. Pomodoro mode — classic 25/5 technique built in, no setup needed. 100% private — no accounts, no cloud sync, no analytics. All data stays on your device. The Logbook has never seen the internet.

Screenshots

Celtic Timer4 screens
Linear Timer+4 screens

Verdict

The call

The clearest difference is review sentiment: Linear Timer+ at 100% against Celtic Timer's 33%. Linear Timer+ also leads on rating (5.0 vs 3.6). Celtic Timer's advantage is update cadence (daily vs every 2 months) and ratings volume (18 vs 2). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

Linear Timer+ holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Celtic Timer has 18 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 33% of Celtic Timer's written reviews are positive against 100% of Linear Timer+'s.

UpkeepUpdate frequency

Celtic Timer ships an update daily, Linear Timer+ every 2 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Celtic Timer versus Linear Timer+: the parameters behind the verdict, then further details
ParameterCeltic TimerLinear Timer+
PriceFreeFree
Rating3.6 (18 ratings)5.0 (2 ratings) — better
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings18 — better2
Update frequencyDaily — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size48 MB20 MB
Age rating4+4+
DeveloperMichael BoedingThe InfoDump LLC

Customer experience

Celtic Timer

All ratings19 ratings
Positive63.2%
Neutral0.0%
Negative36.8%
Written reviews6 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Linear Timer+

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Celtic Timer

No in-app purchases

None

Linear Timer+

No in-app purchases

Questions

Is Celtic Timer free?
Celtic Timer is free to download, with no in-app purchases.
Is Linear Timer+ free?
Linear Timer+ is free to download, with no in-app purchases.
Which has better reviews, Celtic Timer or Linear Timer+?
Linear Timer+ is rated higher. Celtic Timer averages 3.6 out of 5 from 18 ratings, while Linear Timer+ averages 5.0 from 2 ratings.
Do Celtic Timer or Linear Timer+ have ads?
Neither Celtic Timer nor Linear Timer+ shows ads.
Which is updated more often, Celtic Timer or Linear Timer+?
Celtic Timer ships an update daily, and Linear Timer+ every 2 months. Most recently, Celtic Timer was updated on November 2, 2026 and Linear Timer+ on October 31, 2026.

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