# IVLS vs AD55

The clearest difference is update cadence: AD55 at fortnightly against IVLS's every 15 months. AD55 also leads on iOS requirement (13.0 vs 15.6). 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.

IVLS ships an update every 15 months, AD55 fortnightly. The most recent releases landed on September 29, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | IVLS | AD55 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Fortnightly** |
| Size | 110 MB | 57 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | +9 | 4+ |
| Developer | [JOTIVA](https://appshunter.io/developer/1590922205) | [PRIMEIRA IGREJA EVANGELICA ASSEMB DE DEUS CACHOEIRINHA](https://appshunter.io/developer/1781118657) |

## What reviewers say

### IVLS

[App page](https://appshunter.io/ios/app/ivls/id6478175981)

**In-app purchases:** none


### AD55

[App page](https://appshunter.io/ios/app/ad55/id6738529987)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is IVLS free?

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

### Is AD55 free?

AD55 is free to download, with no in-app purchases.

### Do IVLS or AD55 have ads?

Neither IVLS nor AD55 shows ads.

### Which is updated more often, IVLS or AD55?

IVLS ships an update every 15 months, and AD55 fortnightly. Most recently, IVLS was updated on September 29, 2026 and AD55 on September 13, 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.*