# Lets Grow vs Promiso

The clearest difference is in-app purchases: Lets Grow at none against Promiso's 3. Lets Grow also leads on ads (none vs shown). Promiso's advantage is iOS requirement (15.1 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Promiso sells 3 in-app purchases, starting at $3.99 per month. Lets Grow asks for nothing beyond the download.

Lets Grow ships an update fortnightly, Promiso every 11 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Lets Grow | Promiso |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 11 days** |
| Size | 20 MB | 46 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nicolai Dam](https://appshunter.io/developer/1667360548) | [GOKHAN HEPSEN](https://appshunter.io/developer/1863241015) |

## What reviewers say

### Lets Grow

[App page](https://appshunter.io/ios/app/lets-grow-feedback/id6742420307)

**Features:** macOS Compatibility

**In-app purchases:** none


### Promiso

[App page](https://appshunter.io/ios/app/promiso/id6756845679)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $24.99 | per year |
| Lifetime Premium | $29.99 | one-time |


## Frequently asked questions

### Is Lets Grow free?

Lets Grow is free to download, with no in-app purchases.

### Is Promiso free?

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

### Do Lets Grow or Promiso have ads?

Promiso shows ads; Lets Grow does not.

### Which is updated more often, Lets Grow or Promiso?

Lets Grow ships an update fortnightly, and Promiso every 11 days. Most recently, Lets Grow was updated on October 5, 2026 and Promiso on October 7, 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.*