# Flying Ruler vs Blastwave

The clearest difference is price: Blastwave at Free against Flying Ruler's $1.99. Flying Ruler's advantage is in-app purchases (none vs 2) and update cadence (every 2 months vs every 6 months). On ads, device support and iOS requirement there is nothing between them.

Blastwave is free to download; Flying Ruler costs $1.99 up front. Blastwave sells 2 in-app purchases, starting at $3.99 per month. Flying Ruler asks for nothing beyond the download.

Flying Ruler ships an update every 2 months, Blastwave every 6 months. The most recent releases landed on November 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Flying Ruler | Blastwave |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.1 (186 ratings)](https://appshunter.io/ios/app/flying-ruler-3d-tape-measure/id667579844/reviews)** | — |
| Number of ratings | **186** | — |
| Positive reviews | 86.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Paid | — |
| Size | 78 MB | 58 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ALEXEY BRILEV](https://appshunter.io/developer/667579847) | [Piotr Sielicki](https://appshunter.io/developer/1793533693) |

## What reviewers say

### Flying Ruler

[App page](https://appshunter.io/ios/app/flying-ruler-3d-tape-measure/id667579844)

Measure distances and angles using your device's sensors. This app functions as a ruler, tape measure, rangefinder, protractor, and 3D angle finder, offering a quick and accurate way to take measurements in various conditions.

**Highlights:** Measure distance by moving device, Ruler, tape measure, rangefinder, Protractor and 3D angle finder, Inertial navigational system technology, Adjustable units (inches/cm), Save measurements with photos, Avoid obstacles during measurement

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient for quick measurements
- 💡 Clever use of phone sensors
- ⭐ Accurate for most use cases
- 🎨 Visually appealing interface

**What reviewers complain about**

- 🐛 Inconsistent measurement accuracy
- 📏 Not as precise as a physical ruler
- ⚠️ Requires multiple measurements for reliable results
- 🤔 Confusing calibration process

**Reported bugs**

- Measurements vary wildly between attempts
- Calibration process fails to complete
- App crashes when used with certain phone cases

**Requested features**

- Add imperial unit support
- Integrate with smart home devices
- Provide more advanced measurement tools
- Improve accuracy for smaller distances


### Blastwave

[App page](https://appshunter.io/ios/app/blastwave/id6741198429)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $3.99 | per month |
| Annual subscription | $39.99 | per year |


## Frequently asked questions

### Is Flying Ruler free?

Flying Ruler costs $1.99, with no in-app purchases.

### Is Blastwave free?

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

### Do Flying Ruler or Blastwave have ads?

Neither Flying Ruler nor Blastwave shows ads.

### Which is updated more often, Flying Ruler or Blastwave?

Flying Ruler ships an update every 2 months, and Blastwave every 6 months. Most recently, Flying Ruler was updated on November 6, 2026 and Blastwave on October 25, 2026.

---

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