# e vs Prolog

The clearest difference is update cadence: Prolog at every 5 days against e's every 3 weeks. e's advantage is 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.

e ships an update every 3 weeks, Prolog every 5 days. The most recent releases landed on September 19, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | e | Prolog |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | — | Free |
| Size | 11 MB | 117 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Signa Consultoria e Sistemas Ltda EPP](https://appshunter.io/developer/1434395149) | [Zalf Sistemas LTDA](https://appshunter.io/developer/1707085086) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-cargo-mobile/id1434395150)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prolog

[App page](https://appshunter.io/ios/app/prolog/id6470036075)

Optimize fleet operations and tire management with advanced technology. This system enhances productivity, reduces costs, and standardizes fleet operations, offering the most comprehensive tire management solution in Brazil.

**Highlights:** Fleet operation optimization, Tire management system, Increased productivity, Cost reduction, Standardized operations

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

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is Prolog free?

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

### Do e or Prolog have ads?

Neither e nor Prolog shows ads.

### Which is updated more often, e or Prolog?

e ships an update every 3 weeks, and Prolog every 5 days. Most recently, e was updated on September 19, 2026 and Prolog on October 2, 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.*