Comparison

Accelerometer vs ZapLock

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

Head to head
About

Accelerometer

Transform your device into a precise 3-axis accelerometer. Monitor live acceleration and G-force readings, record motion data, and export it in various formats for detailed analysis. Ideal for experiments, testing, and engineering.

Highlights
  • Realtime X/Y/Z acceleration
  • G-force measurement
  • Record motion sessions
  • CSV/JSON/XML export
  • Adjustable sample rate
  • Max/Min tracking
Features
Read full description

Turn your iPhone into a precise 3-axis accelerometer. View live acceleration and G-force data, record motion, and export everything for analysis. Features • Realtime X/Y/Z acceleration • G-force measurement • Gravity on / off • CSV / JSON / XML export • Store recorded sessions • Adjustable sample rate • Max / Min tracking • Clean, fast, offline Use it for • Physics experiments • Motion/vibration tests • Vehicle acceleration • Engineering measurements • Hobby projects and diagnostics Simple. Accurate. Instant data. Help us make Accelerometer even better by reviewing it. We'll include your feature requests in future updates.

About

ZapLock

Securely lock and encrypt any folder on your device or cloud storage without moving files. Access your locked content using a secure sign-in method, with files decrypting only when opened and re-encrypting automatically. Share encrypted folders with others who have an account, with control over their access.

Highlights
  • Encrypt files in place
  • Secure sign-in with Face ID/passkey
  • Automatic re-encryption
  • Share encrypted folders
  • AES-256 encryption
  • Cross-platform compatibility
Features
Read full description

ZapLock turns any folder in Files into a locked one — and back — without moving it. Pick a folder: On My iPhone, iCloud Drive, Dropbox, Google Drive. ZapLock encrypts every file in place, keeps the folder's name and location, and leaves nothing readable behind. A folder locked on your Mac opens here; one locked here opens on your Mac. UNLOCK WITH YOUR ZAPQR SIGN-IN Opening a vault is a sign-in, not a password. Face ID and the passkey ZapQR already put on this iPhone, or a magic link if you prefer. Nothing to remember, nothing to send over chat, nothing to leak. FILES OPEN INSIDE ZAPLOCK Tap a file and ZapLock decrypts that one file, shows it, and wipes the copy the moment you lock, switch apps, or the auto-lock timer fires. Leaving the app always locks — the app switcher never sees an open vault. SHARE, AND TAKE IT BACK Share a vault with anyone who has a ZapQR account. Each person unlocks it on their own device, with their own key. Remove them and their access ends, even on a vault they have open. YOUR KEYS STAY YOURS Every file is encrypted with AES-256. The key is split: one half never leaves this device's Secure Enclave, the other is released by ZapQR only while your sign-in and your share are valid. We can't open your folders, and neither can your cloud provider. File contents and file names never leave your device. PORTABLE BY DESIGN The vault format is open and documented, and the same on iPhone, iPad and Mac. A folder on a portable disk or inside a synced cloud folder carries its protection with it. ZapLock requires a free ZapQR account (auth.zapqr.ai). One universal app for iPhone, iPad and Mac. ZapLock Personal is an auto-renewing subscription: $4.99 a month or $49.99 a year (local prices vary). Payment is charged to your Apple Account; it renews unless cancelled at least 24 hours before the period ends, and you can manage or cancel it in your App Store account settings. Folders you already locked keep opening on every plan. Terms of Use: https://zaplock.io/terms Privacy Policy: https://zapqr.ai/privacy

Screenshots

Accelerometer4 screens
ZapLock4 screens

Verdict

The call

The clearest difference is rating: ZapLock at 5.0 against Accelerometer's 4.0. ZapLock also leads on update cadence (every 3 days vs every 5 months). Accelerometer's advantage is monetization model (free with in-app purchases vs subscription). On price, ratings volume, ads and in-app purchases 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. Accelerometer sells 1 one-off in-app purchase and ZapLock sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ZapLock holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Accelerometer ships an update every 5 months, ZapLock every 3 days. The most recent releases landed on November 1, 2026 and November 13, 2026 respectively.

Scorecard3 real differences · 7 level
Accelerometer versus ZapLock: the parameters behind the verdict, then further details
ParameterAccelerometerZapLock
PriceFreeFree
Rating4.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews53.7% of reviews—
Number of ratings11
Update frequencyEvery 5 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.617.0 — better
Further details — not scored
Size2 MB5 MB
Age rating4+4+
DeveloperDreamArcDaSecure Solutions LLC

Customer experience

Accelerometer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews41 reviews
Positive53.7%
Neutral19.5%
Negative26.8%

ZapLock

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Accelerometer

One-time1
  • Accelerometer Pro$1.99
3 purchases

ZapLock

Subscriptions3
  • Personal (monthly)$4.991 Month
  • Personal (founder)$29.991 Year
  • Personal (yearly)$49.991 Year

Questions

Is Accelerometer free?
Accelerometer is free to download, with in-app purchases available.
Is ZapLock free?
ZapLock is free to download, with in-app purchases available.
Which has better reviews, Accelerometer or ZapLock?
ZapLock is rated higher. Accelerometer averages 4.0 out of 5 from 1 ratings, while ZapLock averages 5.0 from 1 ratings.
Do Accelerometer or ZapLock have ads?
Neither Accelerometer nor ZapLock shows ads.
Which is updated more often, Accelerometer or ZapLock?
Accelerometer ships an update every 5 months, and ZapLock every 3 days. Most recently, Accelerometer was updated on November 1, 2026 and ZapLock on November 13, 2026.

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