# S.H.I.E.L.D Technology vs iHappy

The clearest difference is in-app purchases: S.H.I.E.L.D Technology at none against iHappy's 4. S.H.I.E.L.D Technology also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). iHappy's advantage is update cadence (every 3 months vs every 13 months). On price and ads there is nothing between them.

Both are free to download. iHappy sells 4 in-app purchases, starting at $1.99 per month. S.H.I.E.L.D Technology asks for nothing beyond the download.

S.H.I.E.L.D Technology ships an update every 13 months, iHappy every 3 months. The most recent releases landed on October 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | S.H.I.E.L.D Technology | iHappy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ihappy-personal-happy-diary/id6444064096/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 77 MB | 266 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Octys LLC](https://appshunter.io/developer/634902439) | [Dmitriy Karabetskiy](https://appshunter.io/developer/1524615786) |

## What reviewers say

### S.H.I.E.L.D Technology

[App page](https://appshunter.io/ios/app/shield-technology/id1448111975)

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

**In-app purchases:** none


### iHappy

[App page](https://appshunter.io/ios/app/ihappy-personal-happy-diary/id6444064096)

This app offers tools and practices to cultivate happiness, including positive thinking exercises, goal setting, and habit building. It aims to help users reduce anxiety, improve mental health, and lead a more joyful life.

**Highlights:** Happy Diary for goal setting and progress tracking, Happy Habits for cultivating well-being, Positive Thinking Exercises, Personal Growth Tools, Goal Setting & Achievement support, Building Resilience techniques

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $1.99 | per month |
| Treat us to coffee | $0.99 | one-time |
| Support iHappy Project | $1.99 | one-time |
| Sponsor of Happiness | $4.99 | one-time |


## Frequently asked questions

### Is S.H.I.E.L.D Technology free?

S.H.I.E.L.D Technology is free to download, with no in-app purchases.

### Is iHappy free?

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

### Do S.H.I.E.L.D Technology or iHappy have ads?

Neither S.H.I.E.L.D Technology nor iHappy shows ads.

### Which is updated more often, S.H.I.E.L.D Technology or iHappy?

S.H.I.E.L.D Technology ships an update every 13 months, and iHappy every 3 months. Most recently, S.H.I.E.L.D Technology was updated on October 3, 2026 and iHappy on October 27, 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.*