# Feliks vs Study UP

The clearest difference is ads: Feliks at none against Study UP's shown. Feliks also leads on update cadence (fortnightly vs every 6 weeks) and iOS requirement (11.0 vs 14.0.0). On price, 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.

Feliks ships an update fortnightly, Study UP every 6 weeks. The most recent releases landed on September 19, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Feliks | Study UP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/feliks/id1592158616/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 48 MB | 54 MB |
| Requires iOS | **11.0** | 14.0.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Feliks Haxhija](https://appshunter.io/developer/1592158618) | [Timofejeva Maria](https://appshunter.io/developer/1741390303) |

## What reviewers say

### Feliks

[App page](https://appshunter.io/ios/app/feliks/id1592158616)

Connect with a professional private investigation agency for services like surveillance, claims, infidelity, and child custody. Submit your queries and receive prompt responses from experienced agents directly through the app.

**Highlights:** Private investigation services, Surveillance, Claims investigation, Infidelity investigation, Child custody support, Submit queries and attachments, Direct agent communication

**Features:** macOS Compatibility

**In-app purchases:** none


### Study UP

[App page](https://appshunter.io/ios/app/study-up-online-learning-app/id6497483032)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Feliks free?

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

### Is Study UP free?

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

### Do Feliks or Study UP have ads?

Study UP shows ads; Feliks does not.

### Which is updated more often, Feliks or Study UP?

Feliks ships an update fortnightly, and Study UP every 6 weeks. Most recently, Feliks was updated on September 19, 2026 and Study UP on September 22, 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.*