# Fill vs Witlab

The clearest difference is in-app purchases: Witlab at none against Fill's 5. Fill's advantage is update cadence (every 4 days vs every 3 weeks) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Fill sells 5 in-app purchases, starting at $2.99 per 7 days. Witlab asks for nothing beyond the download.

Fill ships an update every 4 days, Witlab every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Fill | Witlab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/fill-questions-anonymes/id1519941074/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 106 MB | 68 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Alois Dreneri](https://appshunter.io/developer/1519941076) | [MonBuilding&Co](https://appshunter.io/developer/1274455986) |

## What reviewers say

### Fill

[App page](https://appshunter.io/ios/app/fill-questions-anonymes/id1519941074)

Engage in anonymous or public Q&A, create posts that gain visibility through comments, and connect with friends. Personalize your profile with bios, music, photos, and social links to expand your network.

**Highlights:** Anonymous and public Q&A, Comment-driven post visibility, Best friends list, Profile customization, Social network linking, Question sharing via link

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fill+ (1 semaine) | $2.99 | per 7 days |
| Subcription (1 month) | $6.99 | per month |
| Subscription (1 year) | $59.99 | per year |
| Offrir Fill+ 1 semaine | $2.99 | one-time |
| Offrir Fill+ (1 mois) | $6.99 | one-time |


### Witlab

[App page](https://appshunter.io/ios/app/witlab/id1572975855)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fill free?

Fill is free to download, with in-app purchases available.

### Is Witlab free?

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

### Do Fill or Witlab have ads?

Both Fill and Witlab show ads.

### Which is updated more often, Fill or Witlab?

Fill ships an update every 4 days, and Witlab every 3 weeks. Most recently, Fill was updated on October 24, 2026 and Witlab on October 24, 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.*