# TOPSUL vs Prisma On

The clearest difference is update cadence: Prisma On at every 5 months against TOPSUL's every 10 months. TOPSUL's advantage is iOS requirement (11.0 vs 16.0). 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.

TOPSUL ships an update every 10 months, Prisma On every 5 months. The most recent releases landed on October 27, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | TOPSUL | Prisma On |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 months** |
| Size | 16 MB | 222 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TOPSUL - ASSOCIACAO DE BENEFICIOS](https://appshunter.io/developer/1624396531) | [Almah Sistemas](https://appshunter.io/developer/1470761897) |

## What reviewers say

### TOPSUL

[App page](https://appshunter.io/ios/app/topsul/id1624396529)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prisma On

[App page](https://appshunter.io/ios/app/prisma-on-line/id6444627982)

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

**In-app purchases:** none


## Frequently asked questions

### Is TOPSUL free?

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

### Is Prisma On free?

Prisma On is free to download, with no in-app purchases.

### Do TOPSUL or Prisma On have ads?

Neither TOPSUL nor Prisma On shows ads.

### Which is updated more often, TOPSUL or Prisma On?

TOPSUL ships an update every 10 months, and Prisma On every 5 months. Most recently, TOPSUL was updated on October 27, 2026 and Prisma On on October 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.*