# e vs NidenGo

The clearest difference is update cadence: e at weekly against NidenGo's every 3 weeks. NidenGo's advantage is iOS requirement (13.0 vs 15.0). 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 weekly, NidenGo every 3 weeks. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | e | NidenGo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/e-pity/id1213410455/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 75.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Ad-supported | — |
| Size | 69 MB | 39 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e-file sp. z o.o.](https://appshunter.io/developer/518477841) | [Niden](https://appshunter.io/developer/1746068820) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-pity/id1213410455)

This free mobile app simplifies annual tax return filing and submission to the e-Deklaracje system. It supports over 20 PIT declaration forms with a user-friendly wizard, automatic validation, and secure submission with official confirmation.

**Highlights:** Free annual tax return filing, Supports over 20 PIT declaration forms, User-friendly wizard for step-by-step guidance, Automatic validation of fields, deductions, and limits, Secure e-submission with official receipt (UPO), Option to save or print declarations, Data backup to cloud or device

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

**In-app purchases:** none


### NidenGo

[App page](https://appshunter.io/ios/app/nidengo/id6502599142)

**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 NidenGo free?

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

### Do e or NidenGo have ads?

Neither e nor NidenGo shows ads.

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

e ships an update weekly, and NidenGo every 3 weeks. Most recently, e was updated on October 19, 2026 and NidenGo on October 7, 2026.

---

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