# Desafieme vs Ondemand

Desafieme and Ondemand 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.

Desafieme ships an update every 9 months, Ondemand every 8 months. The most recent releases landed on August 27, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Desafieme | Ondemand |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 8 months** |
| Monetization | Free | — |
| Size | 35 MB | 44 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +4 | 12+ |
| Developer | [Ser Educacional S.A.](https://appshunter.io/developer/964168888) | [UNITED INSTITUTE COM�RCIO DE LIVROS LTDA. - ME](https://appshunter.io/developer/906091330) |

## What reviewers say

### Desafieme

[App page](https://appshunter.io/ios/app/desafieme/id1277209396)

Challenge your friends to see who knows more about ENEM subjects. Answer questions correctly to climb the rankings and improve your knowledge. Practice in training mode or compete in various challenge modes.

**Highlights:** 1,600 different questions, Choose knowledge areas (Exact, Human, Biological), Subjects: Biology, Math, Portuguese, History, Geography, Physics, Chemistry, English, Spanish, 4 different rankings, Training mode, Challenge modes: Friends, Same School, Random

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

**In-app purchases:** none


### Ondemand

[App page](https://appshunter.io/ios/app/ondemand/id1613238090)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Desafieme free?

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

### Is Ondemand free?

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

### Do Desafieme or Ondemand have ads?

Neither Desafieme nor Ondemand shows ads.

### Which is updated more often, Desafieme or Ondemand?

Desafieme ships an update every 9 months, and Ondemand every 8 months. Most recently, Desafieme was updated on August 27, 2026 and Ondemand on September 9, 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.*