Comparison

Snifferton vs SJ Chmod Calculator

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

Head to head
About

Snifferton

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
Read full description

Now you can find any bluetooth device that comes into contact with your mobile device. Allows you to also mark individual devices in order to monitor their activity.Β  Snifferton Cloud allows you to create your own network to keep track of devices even when you are not home. Just pin a bluetooth device using an iPod touch, iPad, or other iOS device, leave it at home and you can check up on it remotely using your smart phone only through Snifferton Cloud. Software Features: - Keep track of multiple devices at multiple locations and have them sync up with other Snifferton beacons with Snifferton Cloud - Allows scanning for certain devices up to 100 meters - Alerts the individual to any new devices in the area Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Disclaimer: Snifferton only works when active. It does not run as a background service. All data is private. Snifferton does not transmit data as it only detects bluetooth devices that emit a signal or are discoverable. When Snifferton is running, the device is discoverable. Snifferton only scans for devices. It does nothing else regarding bluetooth devices and their behavior. Some devices may have an identifier that changes and may be stated as inactive when it is still active. Note: To reset Snifferton Cloud successfully, the user has to delete the app on all other devices except a main device and reinstall after resetting the cloud server from the main device. This is to prevent permissions from causing harm by a malicious user. Patented under 11096025 by the USPTO.

About

SJ Chmod Calculator

Features
Read full description

SJ Chmod Calculator is a free iOS app designed for system administrators, developers, and Linux/Unix users who need to quickly and accurately calculate, understand, and convert Unix file permissions. With its clear and intuitive interface, the app makes it easy to switch between numeric and symbolic representations of file permissions. SJ Chmod Calculator offers two simple methods to obtain or verify file or directory access rights. First mode: Numeric code input (755, 644, 600, etc.) The user enters a 3-digit chmod value. The app instantly displays: – A permissions table (read, write, execute) for each category: User (owner), Group, Others – The equivalent symbolic notation (e.g., rwxr-xr-x) Second mode: Interactive table input The user simply checks the boxes for read (R), write (W), and execute (X) for each category. The app automatically calculates: – The corresponding numeric chmod value – The Unix symbolic permission string Key features: – Instant conversion between numeric and symbolic notation – Visual table of permissions by category (user, group, others) – Intuitive interface, easy to use – Free application A practical tool for all Linux/Unix users Whether you’re a developer, system administrator, student, or advanced user of Unix/Linux systems, SJ Chmod Calculator helps you manage file permissions quickly and effortlessly.

Screenshots

Snifferton2 screens
SJ Chmod Calculator3 screens

Verdict

The call

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.

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. 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.

UpkeepUpdate frequency

Snifferton ships an update every 2 days, SJ Chmod Calculator weekly. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

Scorecard2 real differences Β· 5 level
Snifferton versus SJ Chmod Calculator: the parameters behind the verdict, then further details
ParameterSniffertonSJ Chmod Calculator
PriceFreeFree
Update frequencyEvery 2 days β€” betterWeekly
AdsNo β€” betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesβ€”
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.6 β€” better16.0
Further details β€” not scored
Size2 MB3 MB
Age rating4+4+
DeveloperThomas ThompsonStephane JAILLIARD

In-app purchases

1 purchases

Snifferton

Subscriptions1
  • Snifferton Cloud$2.991 Month
5 purchases

SJ Chmod Calculator

One-time5
  • A coffee$0.99
  • A cookie$2.99
  • A lemon tart$4.99
Show 2 more
  • No ads$4.99
  • A pizza$9.99

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 4, 2026.

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