# Opt! Leads Manager V3 vs OneFill

The clearest difference is update cadence: OneFill at weekly against Opt! Leads Manager V3'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.

Opt! Leads Manager V3 ships an update every 2 months, OneFill weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Opt! Leads Manager V3 | OneFill |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 245 MB | 7 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [OptSoft, Inc.](https://appshunter.io/developer/1439567873) | [Cassiel LLC](https://appshunter.io/developer/6776755032) |

## What reviewers say

### Opt! Leads Manager V3

[App page](https://appshunter.io/ios/app/opt-leads-manager-v3/id6743174432)

**Features:** macOS Compatibility

**In-app purchases:** none


### OneFill

[App page](https://appshunter.io/ios/app/onefill-pro/id6783223969)

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

**In-app purchases:** none


## Frequently asked questions

### Is Opt! Leads Manager V3 free?

Opt! Leads Manager V3 is free to download, with no in-app purchases.

### Is OneFill free?

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

### Do Opt! Leads Manager V3 or OneFill have ads?

Neither Opt! Leads Manager V3 nor OneFill shows ads.

### Which is updated more often, Opt! Leads Manager V3 or OneFill?

Opt! Leads Manager V3 ships an update every 2 months, and OneFill weekly. Most recently, Opt! Leads Manager V3 was updated on October 28, 2026 and OneFill on October 28, 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.*