# TASSLOCK vs CFT Calculator

The clearest difference is rating: CFT Calculator at 4.3 against TASSLOCK's 3.6. TASSLOCK's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. CFT Calculator sells 2 in-app purchases, starting at $0.99 per month. TASSLOCK asks for nothing beyond the download.

CFT Calculator holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 14 and 11 respectively. Written reviews complicate that: 25% of TASSLOCK's written reviews are positive against 0% of CFT Calculator's, so the app with the better star average is not the one people write more warmly about.

TASSLOCK ships an update every 2 weeks, CFT Calculator every 3 months. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | TASSLOCK | CFT Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (14 ratings)](https://appshunter.io/ios/app/tasslock/id6450246943/reviews) | **[4.3 (11 ratings)](https://appshunter.io/ios/app/cft-calculator/id6471664074/reviews)** |
| Number of ratings | **14** | 11 |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 151 MB | 29 MB |
| Requires iOS | **11.0** | 13 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [协畏 夏](https://appshunter.io/developer/1689981987) | [Valaji Global](https://appshunter.io/developer/1694947440) |

## What reviewers say

### TASSLOCK

[App page](https://appshunter.io/ios/app/tasslock/id6450246943)

Track vehicles or individuals using GPS positioning. View their latest location on a map, monitor their real-time movements, and replay past routes. Register and log in to manage your devices.

**Highlights:** GPS positioning, Real-time location display, Route playback, Vehicle management, Map view

**Features:** macOS Compatibility

**In-app purchases:** none


### CFT Calculator

[App page](https://appshunter.io/ios/app/cft-calculator/id6471664074)

Easily calculate cubic feet for various materials like wood, sand, and logs. This app simplifies volume measurements for construction, transport, and woodworking professionals, offering accurate and user-friendly tools.

**Highlights:** Cubic feet calculation for various materials, Specialized calculator for wood volume, Dedicated calculator for sand volume, Round log cubic feet calculator, Versatile cubic feet calculator, Transport cargo space optimization

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads - Monthly | $0.99 | per month |
| Remove Ads - Yearly | $9.99 | per year |


## Frequently asked questions

### Is TASSLOCK free?

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

### Is CFT Calculator free?

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

### Which has better reviews, TASSLOCK or CFT Calculator?

CFT Calculator is rated higher. TASSLOCK averages 3.6 out of 5 from 14 ratings, while CFT Calculator averages 4.3 from 11 ratings.

### Do TASSLOCK or CFT Calculator have ads?

CFT Calculator shows ads; TASSLOCK does not.

### Which is updated more often, TASSLOCK or CFT Calculator?

TASSLOCK ships an update every 2 weeks, and CFT Calculator every 3 months. Most recently, TASSLOCK was updated on September 9, 2026 and CFT Calculator on September 21, 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.*