# Engine Calculator Plus vs adesso.

The clearest difference is review sentiment: adesso. at 100% against Engine Calculator Plus's 13%. adesso. also leads on price (Free vs $2.99) and rating (5.0 vs 4.0). Engine Calculator Plus's advantage is in-app purchases (none vs 2) and iOS requirement (13 vs 17). On ads and device support there is nothing between them.

adesso. is free to download; Engine Calculator Plus costs $2.99 up front. adesso. sells 2 in-app purchases, starting at $4.99 per month. Engine Calculator Plus asks for nothing beyond the download.

adesso. holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 13% of Engine Calculator Plus's written reviews are positive against 100% of adesso.'s.

Engine Calculator Plus ships an update every 48 months, adesso. every 3 weeks. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Engine Calculator Plus | adesso. |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/engine-calculator-plus/id1355990764/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/adesso/id6757369650/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 12.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 6 MB |
| Requires iOS | **13** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Rachel Miller Gelberg](https://appshunter.io/developer/1866420533) |

## What reviewers say

### Engine Calculator Plus

[App page](https://appshunter.io/ios/app/engine-calculator-plus/id1355990764)

Calculate engine specifications for various car and plane engines, including displacement, compression ratio, and horsepower. Supports metric and imperial systems with a user-friendly interface and 3D engine visualization.

**Highlights:** Engine displacement calculation, Compression ratio calculation, Horsepower estimation, Metric and Imperial support, 3D engine display, Copyable results

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

**In-app purchases:** none


### adesso.

[App page](https://appshunter.io/ios/app/adesso/id6757369650)

This app helps you plan your day with intention, integrating your schedule, tasks, and self-care routines. It offers features like meal planning, household management, and guided breathing exercises to bring calm and structure to your life.

**Highlights:** Daily agenda, to-dos, and wellness overview, Morning and evening routines, Meal planning and grocery list, Household and chore tracking, Guided breathing exercises, Private journal entries, Goal setting

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| adesso monthly | $4.99 | per month |
| adesso yearly | $49.99 | per year |


## Frequently asked questions

### Is Engine Calculator Plus free?

Engine Calculator Plus costs $2.99, with no in-app purchases.

### Is adesso. free?

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

### Which has better reviews, Engine Calculator Plus or adesso.?

adesso. is rated higher. Engine Calculator Plus averages 4.0 out of 5 from 1 ratings, while adesso. averages 5.0 from 3 ratings.

### Do Engine Calculator Plus or adesso. have ads?

Neither Engine Calculator Plus nor adesso. shows ads.

### Which is updated more often, Engine Calculator Plus or adesso.?

Engine Calculator Plus ships an update every 48 months, and adesso. every 3 weeks. Most recently, Engine Calculator Plus was updated on October 15, 2026 and adesso. on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*