# CATC e vs DTGO Smart Library

CATC e and DTGO Smart Library are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | CATC e | DTGO Smart Library |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 19 MB | 19 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [BOOKDOSE COMPANY LIMITED](https://appshunter.io/developer/459445000) | [DTGO Corporation Limited](https://appshunter.io/developer/1242740494) |

## What reviewers say

### CATC e

[App page](https://appshunter.io/ios/app/catc-e-library/id1603568372)

**Features:** macOS Compatibility

**In-app purchases:** none


### DTGO Smart Library

[App page](https://appshunter.io/ios/app/dtgo-smart-library/id6449218565)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CATC e free?

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

### Is DTGO Smart Library free?

DTGO Smart Library is free to download, with no in-app purchases.

### Do CATC e or DTGO Smart Library have ads?

Neither CATC e nor DTGO Smart Library shows ads.

---

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