# Stems One vs Pronto Service

Stems One and Pronto Service are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 15, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Stems One | Pronto Service |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 62 MB | 41 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stems Solutions](https://appshunter.io/developer/717108406) | [Pronto Software](https://appshunter.io/developer/1293011139) |

## What reviewers say

### Stems One

[App page](https://appshunter.io/ios/app/stems-one/id1535478809)

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

**In-app purchases:** none


### Pronto Service

[App page](https://appshunter.io/ios/app/pronto-service/id1613694275)

**In-app purchases:** none


## Frequently asked questions

### Is Stems One free?

Stems One is free to download, with no in-app purchases.

### Is Pronto Service free?

Pronto Service is free to download, with no in-app purchases.

### Do Stems One or Pronto Service have ads?

Neither Stems One nor Pronto Service shows ads.

### Which is updated more often, Stems One or Pronto Service?

Stems One ships an update every 2 months, and Pronto Service every 2 months. Most recently, Stems One was updated on September 15, 2026 and Pronto Service on September 16, 2026.

---

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