Comparison

LETS Investigate vs BlueSpy

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

Head to head
About

LETS Investigate

Securely capture and store investigative media like photos, videos, and audio. All evidence is encrypted, timestamped, signed, and audited on remote servers to ensure its integrity and prevent modification for legal cases.

Highlights
  • Secure media storage
  • Encryption
  • Timestamping
  • Digital signing
  • Audit trails
  • Remote server storage
Features
Read full description

Get your phone out of the chain of custody. If you’re using a work or personal phone for investigative work, it’s a legal liability. LETS Investigate stores and encrypts any photos, video or audio created within the app on secure remote servers. Evidence is timestamped, signed, and audited the moment it’s created on your device so you can be sure that it’s never modified and that you can produce the original file for your cases.

About

BlueSpy

This tool allows you to inspect, read, and write data with Bluetooth Low Energy devices. Explore device capabilities, analyze behavior, and understand security levels through real-time scanning and interactive features.

Highlights
  • Scan nearby BLE devices in real-time
  • Sort and filter peripherals
  • Identify device types and models
  • Read and write peripheral data
  • Explore communication logs
  • Configure custom settings
Features
Read full description

BlueSpy is the next generation BLE peripheral analyzer tool that allow you to inspect, read and write data with virtually any device capable of communicate with Bluetooth Low Energy standard and GATT profile. BlueSpy is an experimental tool that let you explore the capabilities of your nearby bluetooth devices and interact with them so that you can use it to: debug, analyze, measure or reverse engineering in the attempt to better understand their behaviour and their security level. BlueSpy is mostly a free tool, but in the effort to maintain and evolve it some features will only be availables under in-app purchase. Key Features: - Scan nearby device and return advertisment data in realtime. - Sort peripherals by name, identifier and signal strength. - Filter scanned peripherals. - Identify device type and model based on expandable knowledge base. - Read peripheral services, characteristics and descriptors. - Write data to peripheral characteristics. - Explore logs for any communication between BlueSpy and your BLE devices. - Configure custom settings like auto-notification, auto-remove unreachable peripherals, stop scan on idle, and more. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

LETS Investigate4 screens
BlueSpy4 screens

Verdict

The call

The clearest difference is review sentiment: BlueSpy at 100% against LETS Investigate's 0%. LETS Investigate's advantage is in-app purchases (none vs 7) and update cadence (every 2 months vs every 17 months). 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. BlueSpy sells 7 in-app purchases, starting at $0.99 per month. LETS Investigate asks for nothing beyond the download.

UpkeepUpdate frequency

LETS Investigate ships an update every 2 months, BlueSpy every 17 months. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

Scorecard5 real differences · 5 level
LETS Investigate versus BlueSpy: the parameters behind the verdict, then further details
ParameterLETS InvestigateBlueSpy
PriceFreeFree
Rating2.6 (7 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings7 — better—
Update frequencyEvery 2 months — betterEvery 17 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.0
Further details — not scored
Size92 MB849 MB
Age rating4+4+
DeveloperLETS - A Law Enforcement Technologies CorporationGiuseppe Mazzilli

Customer experience

LETS Investigate

All ratings7 ratings
Positive42.9%
Neutral0.0%
Negative57.1%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

BlueSpy

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

LETS Investigate

No in-app purchases

7 purchases

BlueSpy

Subscriptions3
  • Bronze Membership$0.991 Month
  • Gold Membership$3.991 Month
  • Platinum Membership$4.991 Month
One-time4
  • Characteristic Write Feature$0.99
  • 1-Year Subscription$3.99
  • 2-Year Subscription$6.99
Show 1 more
  • 3-Year Subscription$8.99

Questions

Is LETS Investigate free?
LETS Investigate is free to download, with no in-app purchases.
Is BlueSpy free?
BlueSpy is free to download, with in-app purchases available.
Do LETS Investigate or BlueSpy have ads?
Neither LETS Investigate nor BlueSpy shows ads.
Which is updated more often, LETS Investigate or BlueSpy?
LETS Investigate ships an update every 2 months, and BlueSpy every 17 months. Most recently, LETS Investigate was updated on October 24, 2026 and BlueSpy on October 11, 2026.

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