# LETS Investigate vs Tune Sampler

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.

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.

## The numbers

| Metric | LETS Investigate | Tune Sampler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (7 ratings)](https://appshunter.io/ios/app/lets-investigate/id1490479898/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 92 MB | 3 MB |
| Requires iOS | **12.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LETS - A Law Enforcement Technologies Corporation](https://appshunter.io/developer/990789778) | [Xu Ke](https://appshunter.io/developer/1649907339) |

## What reviewers say

### LETS Investigate

[App page](https://appshunter.io/ios/app/lets-investigate/id1490479898)

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:** macOS Compatibility

**In-app purchases:** none


### Tune Sampler

[App page](https://appshunter.io/ios/app/tune-sampler/id6475165680)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LETS Investigate free?

LETS Investigate is free to download, with no in-app purchases.

### Is Tune Sampler free?

Tune Sampler is free to download, with no in-app purchases.

### Do LETS Investigate or Tune Sampler have ads?

Neither LETS Investigate nor Tune Sampler shows ads.

### Which is updated more often, LETS Investigate or Tune Sampler?

LETS Investigate ships an update every 2 months, and Tune Sampler every 9 days. Most recently, LETS Investigate was updated on October 2, 2026 and Tune Sampler on October 9, 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.*