# Snifferton vs SJ Chmod Calculator

The clearest difference is ads: Snifferton at none against SJ Chmod Calculator's shown. Snifferton also leads on update cadence (every 2 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Snifferton sells 1 in-app purchase, starting at $2.99 per month and SJ Chmod Calculator sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Snifferton ships an update every 2 days, SJ Chmod Calculator weekly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Snifferton | SJ Chmod Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 3 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Thompson](https://appshunter.io/developer/1386950611) | [Stephane JAILLIARD](https://appshunter.io/developer/1749751077) |

## What reviewers say

### Snifferton

[App page](https://appshunter.io/ios/app/snifferton/id1493692562)

Locate nearby Bluetooth devices and monitor their activity. Create a network to track devices remotely, even when away from home. Receive alerts for new devices in your vicinity.

**Highlights:** Track multiple devices and locations, Remote monitoring via Snifferton Cloud, Scan for devices up to 100 meters, Alerts for new nearby devices, Device activity monitoring

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snifferton Cloud | $2.99 | per month |


### SJ Chmod Calculator

[App page](https://appshunter.io/ios/app/sj-chmod-calculator/id6504128434)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A coffee | $0.99 | one-time |
| A cookie | $2.99 | one-time |
| A lemon tart | $4.99 | one-time |
| No ads | $4.99 | one-time |
| A pizza | $9.99 | one-time |


## Frequently asked questions

### Is Snifferton free?

Snifferton is free to download, with in-app purchases available.

### Is SJ Chmod Calculator free?

SJ Chmod Calculator is free to download, with in-app purchases available.

### Do Snifferton or SJ Chmod Calculator have ads?

SJ Chmod Calculator shows ads; Snifferton does not.

### Which is updated more often, Snifferton or SJ Chmod Calculator?

Snifferton ships an update every 2 days, and SJ Chmod Calculator weekly. Most recently, Snifferton was updated on November 7, 2026 and SJ Chmod Calculator on November 8, 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.*