# invsi vs Easily Calc

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.

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.

## The numbers

| Metric | invsi | Easily Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (8 ratings)](https://appshunter.io/ios/app/invsi/id6444667120/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/easily-calc/id6474380761/reviews)** |
| Number of ratings | **8** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 26 MB | 1 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [新坤 杨](https://appshunter.io/developer/1655993145) | [达晖 全](https://appshunter.io/developer/1721085990) |

## What reviewers say

### invsi

[App page](https://appshunter.io/ios/app/invsi/id6444667120)

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.

**Highlights:** Screen time management, Content blocking, No advertisements, Local data storage, No registration required, Premium features via subscription

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly PRO | $0.99 | per month |
| Invsi PRO (Annual) | $4.99 | per year |
| Unlock Application Icon | $0.99 | one-time |
| Lifetime PRO | $14.99 | one-time |


### Easily Calc

[App page](https://appshunter.io/ios/app/easily-calc/id6474380761)

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.

**Highlights:** Records complete calculation process, Customizable alert sounds, Customizable themes, Easy to find and keep track of calculations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is invsi free?

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

### Is Easily Calc free?

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

### Which has better reviews, invsi or Easily Calc?

Easily Calc is rated higher. invsi averages 4.1 out of 5 from 8 ratings, while Easily Calc averages 5.0 from 5 ratings.

### Do invsi or Easily Calc have ads?

Neither invsi nor Easily Calc shows ads.

### Which is updated more often, invsi or Easily Calc?

invsi ships an update fortnightly, and Easily Calc every 2 months. Most recently, invsi was updated on October 14, 2026 and Easily Calc on September 29, 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.*