Comparison

Bird Code Lookup vs Pulse Workout Intervals

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

Head to head
About

Bird Code Lookup

Features
Read full description

Bird codes, also known as banding codes or alpha codes, are four-letter and six-letter abbreviations for bird names used by birders, bird banders and ornithologists, and birdwatchers in North and Central America. For example, the four-code for Wood Duck is β€œWODU”. The six-letter code is β€œAIXSPO” which is derived from the Wood Duck’s Scientific Name of β€œAix sponsa”. These Bird Codes are commonly used as short-hand to write a bird names (often incorrectly). When entering or reading field notes, Bird Codes can speed and simplify matters but can take years to learn and can be confusing. The Bird Code Lookup App converts: β€’ Four Letter Codes into Common Bird Names β€’ Common Bird Names into Four Letter Codes (via a quick search) β€’ Six Letter Codes into Scientific Bird Names β€’ Scientific Bird Names into Six Letter Codes (via a quick search) Contains the 2,431 Bird Species (including hybrids) in the 2024 AOU Supplement.

About

Pulse Workout Intervals

Features
Read full description

Pulse helps you run interval routines with clarity from the first tap. Build fitness sets, focus blocks, breathing cycles, or any timed flow in one place. Keep momentum with cues that make every transition easy to follow. Create a routine from scratch or start from templates like Tabata and Pomodoro, then launch sessions with a full-screen timer built for quick control. Pulse keeps your current step, next step, and total remaining time visible so you can stay present instead of counting in your head. **Build routines your way** Create custom routines with named intervals, notes, themes, and folder organization. Keep related plans together and find them fast with search when your schedule gets busy. **Edit every interval with precision** Adjust duration, type, repeats, and optional colors for each block in your sequence. Reorder steps and repeat patterns to shape sessions that match your exact training or focus style. **Run sessions with clear control** Use start, pause, resume, skip, previous, and restart controls without losing context. Large timer visuals and current-versus-next cards help you keep pace with confidence. **Use templates to get moving fast** Choose from practical presets for workouts, task timing, and breathing so you can begin quickly. Templates are easy to customize, giving you structure now and flexibility later. **Stay on track with reliable cues** Enable sounds, haptics, countdown prompts, and local notifications for interval transitions and completion. These cues support consistent pacing even when the app is backgrounded. Download Pulse and turn your next routine into steady, repeatable progress.

Screenshots

Bird Code Lookup4 screens
Pulse Workout Intervals4 screens

Verdict

The call

The clearest difference is in-app purchases: Bird Code Lookup at none against Pulse Workout Intervals's 1. Bird Code Lookup also leads on iOS requirement (18.0 vs 26.2). Pulse Workout Intervals's advantage is update cadence (every 3 weeks vs every 40 months). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Pulse Workout Intervals sells 1 one-off in-app purchase. Bird Code Lookup asks for nothing beyond the download.

UpkeepUpdate frequency

Bird Code Lookup ships an update every 40 months, Pulse Workout Intervals every 3 weeks. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.

Scorecard3 real differences Β· 3 level
Bird Code Lookup versus Pulse Workout Intervals: the parameters behind the verdict, then further details
ParameterBird Code LookupPulse Workout Intervals
PriceFreeFree
Update frequencyEvery 40 monthsEvery 3 weeks β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.0 β€” better26.2
Further details β€” not scored
Size212 MB2 MB
Age rating4+4+
DeveloperPVI Maine LLCFishington Studios

In-app purchases

None

Bird Code Lookup

No in-app purchases

1 purchases

Pulse Workout Intervals

One-time1
  • Upgrade to Pro$4.99

Questions

Is Bird Code Lookup free?
Bird Code Lookup is free to download, with no in-app purchases.
Is Pulse Workout Intervals free?
Pulse Workout Intervals is free to download, with in-app purchases available.
Do Bird Code Lookup or Pulse Workout Intervals have ads?
Neither Bird Code Lookup nor Pulse Workout Intervals shows ads.
Which is updated more often, Bird Code Lookup or Pulse Workout Intervals?
Bird Code Lookup ships an update every 40 months, and Pulse Workout Intervals every 3 weeks. Most recently, Bird Code Lookup was updated on September 17, 2026 and Pulse Workout Intervals on September 20, 2026.

Other comparisons