Tug Calc vs WordsMirror
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tug Calc
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Tug Calc is a calculator that can be connected by sliding. It supports multiple numerical connections, direct correlation of operation results, scientific operations, and rich mathematical charts, including line charts, bar charts, pie charts, polar coordinates, etc. 【Connection Value】 Press and hold the value and drag it to other value positions to complete the connection, and the calculation results will be related to each other after connecting the values, so that you can enter multiple calculations at one time. 【Flexible Labels】 Add tags to the values, the associated values can be modified synchronously, the calculation process is easy to remember, and the operation results are defined by you. 【Rich Charts】 Rich mathematical charts are supported, including line charts, bar charts, pie charts, polar coordinates, etc. Drag and drop values to the specified area to create a new chart, and drag and drop the values to an existing chart to add a plot directly. 【Scientific Computing】 In addition to basic addition, subtraction, multiplication and division operations, the calculator also supports scientific operation mode. Including power exponential operations, logarithmic operations, trigonometric function operations, factorial operations, integer operations, etc. 【Convenient Keyboard】 The software has a built-in convenient computer keyboard, which is tailor-made for calculus, and can quickly complete the calculation and calculation input. 【File Management】 Support operation file management, different operations are saved separately, and the historical record is convenient for backtracking. 【Snapshot Export】 Support program snapshot export, the calculation process is clear at a glance, easy to share, and the results are presented in seconds. 【Paid Membership Features】 - Computing file management - Increased number of cards available - Increased number of available charts 【Activate Paid Membership】 Paid members are available as a subscription or as a permanent activation Membership Service Agreement: https://tugcalc-serviceagreement.mysxl.cn/
WordsMirror
This utility app mirrors text horizontally, making it readable on screens when viewed via camera. It offers adjustable scrolling, custom text, and a preset library for live streaming scenarios. Enjoy a smooth, local experience with remote control options.
- Horizontal text mirroring
- Adjustable scrolling speed and size
- Preset phrase library
- Customizable text cards
- Favorite phrase management
- Remote scrolling control
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A Text Display Tool Designed for Live Streaming Makes your bullet screen text appear perfectly in mirror effect. Core Features Mirror Display: Text flips horizontally, showing correctly for the audience when the camera faces the screen. Scrolling: Text scrolls automatically with adjustable speed and size. Preset Library: Built-in common live phrases including greetings, thanks to fans, and compliments to guests. Custom Cards: Support adding personalized text. Favorite Management: One-click save favorite phrases for quick use. Dark Backgrounds: 7 dark backgrounds to improve camera shooting clarity. Remote Control: Remotely control scrolling content via computer or mobile browser. Application Scenarios Live Commerce: Display greetings and thank-you messages. Game Streaming: Rolling announcements and fan interaction. Entertainment Live: Mirror bullet comments and interaction tips. Event Hosting: Script display and scrolling prompts. Technical Features Full-screen landscape display with automatic orientation lock. Tap screen to pause or resume scrolling. Runs locally without network dependency. Native development with SwiftUI for ultra-smooth experience.
Screenshots
Verdict
The clearest difference is update cadence: WordsMirror at every 2 days against Tug Calc's every 5 days. Tug Calc's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support 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. Tug Calc sells 4 in-app purchases, starting at $0.99 per month and WordsMirror sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Tug Calc ships an update every 5 days, WordsMirror every 2 days. The most recent releases landed on September 10, 2026 and September 2, 2026 respectively.
| Parameter | Tug Calc | WordsMirror |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 5 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 54 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | 嘉欣 胡 | leng xiangjun |
In-app purchases
Tug Calc
- Monthly Subscriptions$0.991 Month
- Quarterly Subscriptions$0.993 Months
- Annual Subscription$2.991 Year
- Perpetual Subscription$4.99
WordsMirror
- Unlock Pro Version$3.99









