Comparison

Magnetick vs Timegrapher

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

Head to head
About

Magnetick

Features
Read full description

Magnetick turns your iPhone into a precision magnetic field meter. If you've ever wondered whether your watch, tools, or jewelry have become magnetized, Magnetick gives you a clear, glanceable answer in seconds. Hold your iPhone near any object and Magnetick reads the surrounding magnetic field in microtesla (μT) using your device's built-in magnetometer — the same sensor your compass uses, but exposed in a way you can actually read and interpret. KEY FEATURES • Live magnetic field reading — a single, easy-to-read number, updated in real time • Guided mode — Magnetick stabilizes its baseline, then tells you plainly when something nearby is affecting the field • Real-time chart — watch how the field changes as you move your phone around an object • Built-in sensor map — Magnetick knows where the magnetometer chip sits inside your specific iPhone model, so you can hold the right part of the phone close to what you're testing • Beautiful dark interface designed to be readable at a glance WHO IT'S FOR • Watch owners checking whether their mechanical watch has been magnetized (a common cause of timekeeping errors) HOW TO USE 1. Open Magnetick and let the reading stabilize for a few seconds 2. Slowly move your iPhone close to the object you want to test 3. Watch the number — a sharp rise means the object is generating or carrying a magnetic field PRIVACY Magnetick reads only the magnetometer sensor and runs entirely on your device. No data is collected, transmitted, or stored. No accounts, no ads, no tracking.

About

Timegrapher

This app uses your iPhone's microphone to analyze watch accuracy, measuring rate, amplitude, and beat error. It provides detailed insights into your watch collection's performance and value, all processed locally on your device.

Highlights
  • Measures rate, amplitude, and beat error
  • Analyzes beat rate from 18,000 to 36,000 bph
  • Tracks watch collection performance over time
  • Computes current market value from Chrono24
  • Provides plain-language verdicts on watch condition
  • Processes all data locally for privacy
Features
Read full description

A timegrapher in your pocket: rate, amplitude and beat error from your iPhone's microphone in 30 seconds. Reads through room noise, with amplitude computed from your calibre's own lift angle. First watch free — Pro is one purchase, never a subscription. WHAT IT MEASURES • Rate — seconds gained or lost per day, the number a chronometer certificate is built on • Amplitude — how far the balance swings, the vital sign a watchmaker checks first • Beat error — the tick/tock asymmetry that says the escapement wants adjusting • Beat rate — detected automatically, from vintage 18,000 bph to hi-beat 36,000 bph WHY THE READINGS HOLD STEADY Phone timing apps have a reputation for jumping around, and for amplitude you can't trust. Two things are done differently here. The analyser tracks the room's own noise floor and rejects transients, so a quiet movement stays locked on — it will read a watch through a barking dog. And amplitude is computed from the lift angle you set for that specific calibre, because a wrong lift angle is the single most common reason a phone app reports the wrong swing. Each tick is really three tiny impacts. Timegrapher times every one to a fraction of a millisecond and fits thousands of them against your iPhone's clock — the same principle as a watchmaker's bench machine. YOUR COLLECTION Add every watch with a photo, reference and serial number, year, movement type and lift angle. Every measurement is saved, and charts show the rate drifting across months and years — so a movement slowly going off gets caught early. After each reading you get a plain-language verdict, Excellent through Service needed, with the reasons spelled out. A Guide tab explains every number in plain English. TRACK WHAT IT'S WORTH One tap pulls current Chrono24 asking prices for your exact reference and logs the median — computed on your device, in your own currency. Log what you paid and Timegrapher charts each watch's value over time, its gain since purchase, and your collection's total. PRIVATE BY DESIGN Everything runs on the device. No audio is ever recorded, stored or uploaded. No account, no ads, no tracking. PRICING Your first watch is free, forever. Timegrapher Pro unlocks unlimited watches for a single payment — no subscription. Purchases restore on any device signed into the same App Store account. HONEST LIMITS A quiet room and firm contact between phone and case give the best readings. Results are indicative: a bench machine and a professional's judgement remain the gold standard for service decisions.

Screenshots

Magnetick4 screens
Timegrapher4 screens

Verdict

The call

The clearest difference is in-app purchases: Magnetick at none against Timegrapher's 1. Magnetick also leads on iOS requirement (15.1 vs 17.0). On price, 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

Both are free to download. Timegrapher sells 1 one-off in-app purchase. Magnetick asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Magnetick versus Timegrapher: the parameters behind the verdict, then further details
ParameterMagnetickTimegrapher
PriceFreeFree
Rating—4.8 (20 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—20 — better
Update frequency—Weekly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size24 MB3 MB
Age rating4++4
DeveloperHieu PhamFotios Avgidis

In-app purchases

None

Magnetick

No in-app purchases

1 purchases

Timegrapher

One-time1
  • Timegrapher Pro$9.99

Questions

Is Magnetick free?
Magnetick is free to download, with no in-app purchases.
Is Timegrapher free?
Timegrapher is free to download, with in-app purchases available.
Do Magnetick or Timegrapher have ads?
Neither Magnetick nor Timegrapher shows ads.

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