# Hello Tomorrow vs Cleantech Forums

The clearest difference is update cadence: Cleantech Forums at every 2 weeks against Hello Tomorrow's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Hello Tomorrow ships an update every 2 months, Cleantech Forums every 2 weeks. The most recent releases landed on May 21, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Hello Tomorrow | Cleantech Forums |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 62 MB | 72 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Hello Tomorrow](https://appshunter.io/developer/1592546571) | [CTG:I LLC](https://appshunter.io/developer/1771675672) |

## What reviewers say

### Hello Tomorrow

[App page](https://appshunter.io/ios/app/hello-tomorrow/id1592546569)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cleantech Forums

[App page](https://appshunter.io/ios/app/cleantech-forums/id6736369386)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hello Tomorrow free?

Hello Tomorrow is free to download, with no in-app purchases.

### Is Cleantech Forums free?

Cleantech Forums is free to download, with no in-app purchases.

### Do Hello Tomorrow or Cleantech Forums have ads?

Neither Hello Tomorrow nor Cleantech Forums shows ads.

### Which is updated more often, Hello Tomorrow or Cleantech Forums?

Hello Tomorrow ships an update every 2 months, and Cleantech Forums every 2 weeks. Most recently, Hello Tomorrow was updated on May 21, 2026 and Cleantech Forums on September 13, 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.*