# Accelerometer vs ZapLock

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.

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.

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.

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.

## The numbers

| Metric | Accelerometer | ZapLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/accelerometer-g-force-meter/id499629589/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zaplock/id6808469062/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 53.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 2 MB | 5 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [DreamArc](https://appshunter.io/developer/482137824) | [DaSecure Solutions LLC](https://appshunter.io/developer/1367132705) |

## What reviewers say

### Accelerometer

[App page](https://appshunter.io/ios/app/accelerometer-g-force-meter/id499629589)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Accelerometer Pro | $1.99 | one-time |


### ZapLock

[App page](https://appshunter.io/ios/app/zaplock/id6808469062)

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:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal (monthly) | $4.99 | per month |
| Personal (founder) | $29.99 | per year |
| Personal (yearly) | $49.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*