# Knowingo vs Flex FoodBase

The clearest difference is update cadence: Knowingo at every 3 weeks against Flex FoodBase'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.

Knowingo ships an update every 3 weeks, Flex FoodBase every 2 months. The most recent releases landed on November 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Knowingo | Flex FoodBase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knowingo/id1020590857/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 59 MB | 24 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Knowingo B.V.](https://appshunter.io/developer/1816915376) | [GroundControl BV](https://appshunter.io/developer/1460562399) |

## What reviewers say

### Knowingo

[App page](https://appshunter.io/ios/app/knowingo/id1020590857)

This app transforms learning into an engaging experience with quick, trivia-style quizzes. Earn experience, level up, and gain titles by answering questions accurately and studying materials. Daily challenges are provided to enhance knowledge and earn rewards, with certificates available to prove mastery.

**Highlights:** Trivia-style quizzes, Daily challenges, Experience and leveling system, Earn titles and rewards, Study materials, Mastery certificates

**In-app purchases:** none


### Flex FoodBase

[App page](https://appshunter.io/ios/app/flex-foodbase/id6448265584)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knowingo free?

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

### Is Flex FoodBase free?

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

### Do Knowingo or Flex FoodBase have ads?

Neither Knowingo nor Flex FoodBase shows ads.

### Which is updated more often, Knowingo or Flex FoodBase?

Knowingo ships an update every 3 weeks, and Flex FoodBase every 2 months. Most recently, Knowingo was updated on November 1, 2026 and Flex FoodBase on October 15, 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.*