# Thought Bulb AR vs Happy Inbox

The clearest difference is in-app purchases: Thought Bulb AR at none against Happy Inbox's 1. Thought Bulb AR also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. Happy Inbox sells 1 in-app purchase, starting at $7.99 per year. Thought Bulb AR asks for nothing beyond the download.

Thought Bulb AR ships an update monthly, Happy Inbox every 3 weeks. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Thought Bulb AR | Happy Inbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/happy-inbox-email-cleaner/id6477334113/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 123 MB | 58 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thought Bulb](https://appshunter.io/developer/1543392367) | [DPSL Happy Inbox Private Limited](https://appshunter.io/developer/1729010054) |

## What reviewers say

### Thought Bulb AR

[App page](https://appshunter.io/ios/app/thought-bulb-ar/id6445870613)

**Features:** macOS Compatibility

**In-app purchases:** none


### Happy Inbox

[App page](https://appshunter.io/ios/app/happy-inbox-email-cleaner/id6477334113)

Effortlessly clear your Gmail inbox of spam, junk, and clutter with a single tap. Identify senders overwhelming your inbox and save time on manual cleaning. Contribute to environmental sustainability by reducing your digital carbon footprint.

**Highlights:** Delete spam and clutter with one tap, View senders ranked by email count, Identify inbox-filling senders, Save time on manual cleaning, Reduce carbon footprint

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Happy Inbox Premium | $7.99 | per year |


## Frequently asked questions

### Is Thought Bulb AR free?

Thought Bulb AR is free to download, with no in-app purchases.

### Is Happy Inbox free?

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

### Do Thought Bulb AR or Happy Inbox have ads?

Happy Inbox shows ads; Thought Bulb AR does not.

### Which is updated more often, Thought Bulb AR or Happy Inbox?

Thought Bulb AR ships an update monthly, and Happy Inbox every 3 weeks. Most recently, Thought Bulb AR was updated on October 25, 2026 and Happy Inbox on October 16, 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.*