Manage TBT vs Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Manage TBT
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Application TBT Groups Our artisans make handicrafts using natural ingredients from coconut, a coconut native to Vietnam. The ingenuity of each craft product is the most important criterion; non-handicraft or mass-produced goods. TROPICAL Farm knows the value of handicrafts, so it has created a lot of products suitable for everyone, every home to use and decorate in the house. The company’s handicrafts put quality and aesthetics first. The application has functions to place orders directly for farmers. Help farmers to place orders in the fastest way and see the products they want.
Calculator
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This new calculator has been designed to help you make preliminary calculations in the early stages of designing your armour. It is based on Hudson's internationally recognized formula for designing armour units. Our specialists are committed to sharing CLI's experience with construction companies right from the start of a project, in order to develop the most appropriate tools and methods. As a leader in breakwater protection technologies, CLI offers reliable, cost-effective and durable single-layer solutions to meet the challenges of climate change. CLI is a company fully dedicated to the transfer of single-layer technologies for port structures and for coastal protection. The ACCROPODE™ block and its improved version ACCROPODE™ II, the ECOPODE™ block as well as the CORE-LOC™ block remain market leaders in terms of reliability, ease of installation and productivity. CLI - Concrete Layer Innovations - maintains a strong commitment to sharing feedback on breakwater and coastal protection construction that is constantly fed by our many jobsites around the world.
Screenshots
Verdict
The clearest difference is update cadence: Manage TBT at every 4 weeks against Calculator's every 6 months. Manage TBT also leads on iOS requirement (13.0 vs 15.0). Calculator's advantage is device support. On price and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Manage TBT ships an update every 4 weeks, Calculator every 6 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.
| Parameter | Manage TBT | Calculator |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks — better | Every 6 months |
| Ads | — | No |
| In-app purchases | No | No |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 54 MB | 15 MB |
| Age rating | 17+ | 4+ |
| Developer | Ngan Le | CLI - Concrete Layer Innovations |
In-app purchases
Manage TBT
No in-app purchases
Calculator
No in-app purchases









