LETS Investigate vs Tune Sampler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Secure media storage
- Encryption
- Timestamping
- Digital signing
- Audit trails
- Remote server storage
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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.
Tune Sampler
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Generate simple tune with rhythm.
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Verdict
The clearest difference is update cadence: Tune Sampler at every 9 days against LETS Investigate's every 2 months. LETS Investigate's advantage is iOS requirement (12.0 vs 17.2). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
LETS Investigate ships an update every 2 months, Tune Sampler every 9 days. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.
| Parameter | LETS Investigate | Tune Sampler |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (7 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 92 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | LETS - A Law Enforcement Technologies Corporation | Xu Ke |
In-app purchases
LETS Investigate
No in-app purchases
Tune Sampler
No in-app purchases
Questions
Is LETS Investigate free?
Is Tune Sampler free?
Do LETS Investigate or Tune Sampler have ads?
Which is updated more often, LETS Investigate or Tune Sampler?
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