# C3STROM vs Thread Calculators

The clearest difference is review sentiment: Thread Calculators at 100% against C3STROM's 50%. Thread Calculators also leads on rating (5.0 vs 4.6). C3STROM's advantage is price (Free vs $1.99) and ratings volume (16 vs 1). On ads, in-app purchases and device support there is nothing between them.

C3STROM is free to download; Thread Calculators costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Thread Calculators holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: C3STROM has 16 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of C3STROM's written reviews are positive against 100% of Thread Calculators's.

## The numbers

| Metric | C3STROM | Thread Calculators |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.6 (16 ratings)](https://appshunter.io/ios/app/c3strom/id1592802683/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thread-calculators/id1670586227/reviews)** |
| Number of ratings | **16** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 10 months |
| Monetization | **Free** | Paid |
| Size | 352 MB | 51 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Fanzhou Technology Co.,Ltd](https://appshunter.io/developer/1592802685) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## What reviewers say

### C3STROM

[App page](https://appshunter.io/ios/app/c3strom/id1592802683)

Control your electric bike remotely, adjusting settings like speed limits and lights. Plan routes, analyze riding statistics, and replay tracks. Unlock off-road mode for an enhanced riding experience.

**Highlights:** Remote electric bike control, Adjustable speed limits and lights, Simultaneous multi-bike control, Route planning and analysis, Riding track replay, Off-road mode activation

**Features:** macOS Compatibility

**In-app purchases:** none


### Thread Calculators

[App page](https://appshunter.io/ios/app/thread-calculators/id1670586227)

This app provides precise thread-cutting data for various international standards. It assists machinists, engineers, and CNC professionals in quickly finding essential measurements and detailed tables for thread dimensions and cutting values.

**Highlights:** Supports international thread standards (M, UNC, NPT, etc.), Tap Hole Size Calculator, Bolt Diameter Guide, Tap Hole Forming Data, Tap Hole Repair Values, Detailed thread dimension tables

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

**In-app purchases:** none


## Frequently asked questions

### Is C3STROM free?

C3STROM is free to download, with no in-app purchases.

### Is Thread Calculators free?

Thread Calculators costs $1.99, with no in-app purchases.

### Which has better reviews, C3STROM or Thread Calculators?

Thread Calculators is rated higher. C3STROM averages 4.6 out of 5 from 16 ratings, while Thread Calculators averages 5.0 from 1 ratings.

### Do C3STROM or Thread Calculators have ads?

Neither C3STROM nor Thread Calculators shows ads.

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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.*