# SL Neo vs ABook Check

The clearest difference is device support: ABook Check at 3 against SL Neo's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SL Neo ships an update every 5 weeks, ABook Check every 2 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | SL Neo | ABook Check |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 113 MB | 80 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kissei Comtec Co., Ltd.](https://appshunter.io/developer/503794772) | [AGENTEC Co.,Ltd.](https://appshunter.io/developer/454472728) |

## What reviewers say

### SL Neo

[App page](https://appshunter.io/ios/app/sl-neo/id1449947923)

**Features:** macOS Compatibility

**In-app purchases:** none


### ABook Check

[App page](https://appshunter.io/ios/app/abook-check/id1459984208)

**In-app purchases:** none


## Frequently asked questions

### Is SL Neo free?

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

### Is ABook Check free?

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

### Do SL Neo or ABook Check have ads?

Neither SL Neo nor ABook Check shows ads.

### Which is updated more often, SL Neo or ABook Check?

SL Neo ships an update every 5 weeks, and ABook Check every 2 months. Most recently, SL Neo was updated on October 26, 2026 and ABook Check on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*