# Techmi App vs Ear Spy

The clearest difference is in-app purchases: Techmi App at none against Ear Spy's 2. Techmi App also leads on device support (3 vs 1) and iOS requirement (13.2 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Ear Spy sells 2 in-app purchases, starting at $3.99 per 7 days. Techmi App asks for nothing beyond the download.

Techmi App ships an update every 2 weeks, Ear Spy weekly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Techmi App | Ear Spy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (16 ratings)](https://appshunter.io/ios/app/ear-spy/id6783487756/reviews)** |
| Number of ratings | — | **16** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Subscription |
| Size | 57 MB | 7 MB |
| Requires iOS | **13.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [聴悦株式会社](https://appshunter.io/developer/6784588122) | [Awais Muneer](https://appshunter.io/developer/6783487758) |

## What reviewers say

### Techmi App

[App page](https://appshunter.io/ios/app/techmi-app/id1545172574)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Ear Spy

[App page](https://appshunter.io/ios/app/ear-spy/id6783487756)

Amplify ambient sounds and bring distant voices closer in real-time using your phone's microphone and headphones. Features include environment presets, a 10-band equalizer, personal hearing calibration, and on-device live transcription. It prioritizes privacy with all processing done locally.

**Highlights:** Real-time sound amplification, Environment presets, 10-band parametric equalizer, Personal hearing calibration, Unlimited clip capture, On-device live transcription, Hearing-safety limiter

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly (with trial) | $3.99 | per 7 days |
| Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Techmi App free?

Techmi App is free to download, with no in-app purchases.

### Is Ear Spy free?

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

### Do Techmi App or Ear Spy have ads?

Neither Techmi App nor Ear Spy shows ads.

### Which is updated more often, Techmi App or Ear Spy?

Techmi App ships an update every 2 weeks, and Ear Spy weekly. Most recently, Techmi App was updated on October 29, 2026 and Ear Spy on October 25, 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.*