invsi vs Easily Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
invsi
This app helps parents manage their children's device usage by controlling screen time and blocking inappropriate content. It offers a local-only experience with no ads or registration, prioritizing user privacy.
- Screen time management
- Content blocking
- No advertisements
- Local data storage
- No registration required
- Premium features via subscription
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invsi has been upgraded as a tool for managing screen time, which can help parents control their children's use of mobile devices. When kids use your phone, this feature can prevent them from getting addicted to games and block inappropriate content. --- Pursuit of invsi --- invsi has no advertisements, no notifications, no registration required, all data will only be saved in your phone (important data should be backed up), Less is more. --- Privacy Policy --- invsi is a local application without a server. so it will not and cannot upload your personal data through the Internet. --- Suggestions and Feedback --- If you have a good idea, you can also contact us --- contact details --- Email: invsi@icloud.com --- Subscription related --- - The base functionality of invsi is free to use. - Become an invsi member to unlock all premium features. - Payment will be charged to your iTunes Account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Your account will be charged for renewal within 24-hours prior to the end of the current period under your plan. - You can manage or turn off auto-renewal in Apple 1D account settings at any time after purchase, path: "Settings - Apple ID -> Media & Purchases -> Subscriptions" --- Additional Information --- Privacy Policy:https://invsi.notion.site/Privacy-Policy-8d66f4dc92754ad0a43399e905493095 User Agreement:https://invsi.notion.site/User-Agreement-ada0d998b6604a58a2bd5a8d32f45066
Easily Calc
This utility app simplifies calculations by recording the entire process for easy review. It offers customizable alert sounds and themes to enhance the user experience.
- Records complete calculation process
- Customizable alert sounds
- Customizable themes
- Easy to find and keep track of calculations
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Easily Calc - Making Calculations Easier and More Enjoyable Features: 1. Records the complete calculation process, making it easy to find and keep track of. 2. Users can customize the alert sounds, making the calculation experience more enjoyable. 3. Users can customize the theme, personalizing their calculator. 4. We are considering more practical functions and look forward to your suggestions and feedback Contact Us: Email: caffe.two@gmail.com
Screenshots
Verdict
The clearest difference is rating: Easily Calc at 5.0 against invsi's 4.1. Easily Calc also leads on in-app purchases (none vs 4) and iOS requirement (14.0 vs 17.0). invsi's advantage is update cadence (fortnightly vs every 2 months). On price, review sentiment, ratings volume and ads 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. invsi sells 4 in-app purchases, starting at $0.99 per month. Easily Calc asks for nothing beyond the download.
Easily Calc holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
invsi ships an update fortnightly, Easily Calc every 2 months. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.
| Parameter | invsi | Easily Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (8 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 8 — better | 5 |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | 新坤 杨 | 达晖 全 |
Customer experience
invsi
Easily Calc
In-app purchases
invsi
- Monthly PRO3 Days trial$0.991 Month
- Invsi PRO (Annual)7 Days trial$4.991 Year
- Unlock Application Icon$0.99
- Lifetime PRO$14.99
Easily Calc
No in-app purchases









