# OAB GO vs Lysis

The clearest difference is update cadence: OAB GO at fortnightly against Lysis's every 13 months. Lysis's advantage is iOS requirement (13.0 vs 15.1). 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.

OAB GO ships an update fortnightly, Lysis every 13 months. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | OAB GO | Lysis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 13 months |
| Size | 26 MB | 25 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ilion](https://appshunter.io/developer/540161812) | [Luzia Parente](https://appshunter.io/developer/1689213166) |

## What reviewers say

### OAB GO

[App page](https://appshunter.io/ios/app/oab-go/id6450858459)

**In-app purchases:** none


### Lysis

[App page](https://appshunter.io/ios/app/lysis/id6476787011)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OAB GO free?

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

### Is Lysis free?

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

### Do OAB GO or Lysis have ads?

Neither OAB GO nor Lysis shows ads.

### Which is updated more often, OAB GO or Lysis?

OAB GO ships an update fortnightly, and Lysis every 13 months. Most recently, OAB GO was updated on October 10, 2026 and Lysis on October 17, 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.*