# ShiftFilla vs Assure One

The clearest difference is update cadence: Assure One at weekly against ShiftFilla's every 3 weeks. 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.

ShiftFilla ships an update every 3 weeks, Assure One weekly. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ShiftFilla | Assure One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 75 MB | 48 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Matthew Ardern](https://appshunter.io/developer/1880473904) | [MY-CPE LLC](https://appshunter.io/developer/1473159635) |

## What reviewers say

### ShiftFilla

[App page](https://appshunter.io/ios/app/shiftfilla/id6759741957)

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

**In-app purchases:** none


### Assure One

[App page](https://appshunter.io/ios/app/assure-one/id6778781694)

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

**In-app purchases:** none


## Frequently asked questions

### Is ShiftFilla free?

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

### Is Assure One free?

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

### Do ShiftFilla or Assure One have ads?

Neither ShiftFilla nor Assure One shows ads.

### Which is updated more often, ShiftFilla or Assure One?

ShiftFilla ships an update every 3 weeks, and Assure One weekly. Most recently, ShiftFilla was updated on October 6, 2026 and Assure One on October 4, 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.*