# ID.Abonent vs Simple Working Calendar

The clearest difference is in-app purchases: ID.Abonent at none against Simple Working Calendar's 1. ID.Abonent also leads on ads (none vs shown) and update cadence (every 2 months vs every 3 months). Simple Working Calendar's advantage is review sentiment (62% vs 41%) and rating (4.9 vs 4.7). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Simple Working Calendar sells 1 one-off in-app purchase. ID.Abonent asks for nothing beyond the download.

Simple Working Calendar holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 227 and 168 respectively. Written reviews point the same way: 41% of ID.Abonent's written reviews are positive against 62% of Simple Working Calendar's.

ID.Abonent ships an update every 2 months, Simple Working Calendar every 3 months. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | ID.Abonent | Simple Working Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (227 ratings)](https://appshunter.io/ios/app/idabonent/id1368190117/reviews) | **[4.9 (168 ratings)](https://appshunter.io/ios/app/simple-working-calendar/id1489653183/reviews)** |
| Number of ratings | **227** | 168 |
| Positive reviews | 41.4% of reviews | **61.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 124 MB | 179 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [MSK MOBILE, LLC](https://appshunter.io/developer/1367969705) | [Нико Беллик](https://appshunter.io/developer/670302199) |

## What reviewers say

### ID.Abonent

[App page](https://appshunter.io/ios/app/idabonent/id1368190117)

This service allows for the remote registration of SIM cards. It guides users through scanning a SIM card's barcode, verifying details, and electronically signing a contract. Users receive the signed contract directly within the app or via a link.

**Highlights:** Remote SIM card registration, Barcode scanning, Remote verification, Electronic signature, Contract delivery

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Working Calendar

[App page](https://appshunter.io/ios/app/simple-working-calendar/id1489653183)

Easily calculate and manage your work schedule with a user-friendly design. Add custom schedules, track holidays, and plan vacations. Download now while it's free!

**Highlights:** Work schedule calculation, Custom schedule creation, Holiday tracking, Vacation planning, Intuitive design

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is ID.Abonent free?

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

### Is Simple Working Calendar free?

Simple Working Calendar is free to download, with in-app purchases available.

### Which has better reviews, ID.Abonent or Simple Working Calendar?

Simple Working Calendar is rated higher. ID.Abonent averages 4.7 out of 5 from 227 ratings, while Simple Working Calendar averages 4.9 from 168 ratings.

### Do ID.Abonent or Simple Working Calendar have ads?

Simple Working Calendar shows ads; ID.Abonent does not.

### Which is updated more often, ID.Abonent or Simple Working Calendar?

ID.Abonent ships an update every 2 months, and Simple Working Calendar every 3 months. Most recently, ID.Abonent was updated on September 23, 2026 and Simple Working Calendar on September 22, 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.*