# Terra Roofer vs JWW見れる君

The clearest difference is in-app purchases: Terra Roofer at none against JWW見れる君's 2. Terra Roofer also leads on iOS requirement (13.0 vs 16.0). JWW見れる君's advantage is update cadence (every 4 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. JWW見れる君 sells 2 in-app purchases, starting at $2.99 per month. Terra Roofer asks for nothing beyond the download.

Terra Roofer ships an update every 3 months, JWW見れる君 every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Terra Roofer | JWW見れる君 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 160 MB | 4 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Terra Drone Corporation](https://appshunter.io/developer/1390622412) | [Akira Yamatani](https://appshunter.io/developer/6792604209) |

## What reviewers say

### Terra Roofer

[App page](https://appshunter.io/ios/app/terra-roofer/id1456997489)

This app automates drone flights for roof inspections with just a few taps. Select a roof, and the drone will fly and capture photos and videos, storing them in the cloud. A separate Terra Roofer contract is required for login.

**Highlights:** Automated drone flight for roof inspections, Selectable roof areas for flight paths, Cloud storage for captured photos and videos, Supports video capture for wider inspections, Compatible with select DJI drone models

**Features:** macOS Compatibility

**In-app purchases:** none


### JWW見れる君

[App page](https://appshunter.io/ios/app/jww/id6792604207)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JWW見れる君 Pro（月額） | $2.99 | per month |
| Pro（買い切り） | $29.99 | one-time |


## Frequently asked questions

### Is Terra Roofer free?

Terra Roofer is free to download, with no in-app purchases.

### Is JWW見れる君 free?

JWW見れる君 is free to download, with in-app purchases available.

### Do Terra Roofer or JWW見れる君 have ads?

Neither Terra Roofer nor JWW見れる君 shows ads.

### Which is updated more often, Terra Roofer or JWW見れる君?

Terra Roofer ships an update every 3 months, and JWW見れる君 every 4 days. Most recently, Terra Roofer was updated on October 24, 2026 and JWW見れる君 on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*