# Ондо мобайл vs Grain Calculator

The clearest difference is in-app purchases: Ондо мобайл at none against Grain Calculator's 2. Ондо мобайл also leads on ads (none vs shown) and update cadence (every 2 weeks vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Grain Calculator sells 2 in-app purchases, starting at $2.99 per month. Ондо мобайл asks for nothing beyond the download.

Ондо мобайл ships an update every 2 weeks, Grain Calculator monthly. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Ондо мобайл | Grain Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/id6445825212/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 59 MB | 55 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GLOVART 3D SOCIEDAD LIMITADA.](https://appshunter.io/developer/1678351966) | [Andrii Karavan](https://appshunter.io/developer/1751942401) |

## What reviewers say

### Ондо мобайл

[App page](https://appshunter.io/ios/app/id6445825212)

This utility app allows users to pay for electricity consumption and submit meter readings. It also provides contact information for local enterprises and offers email and calling functionalities.

**Highlights:** Electricity payment, Submit meter readings, Enterprise contact information, Email functionality, Direct calling

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

**In-app purchases:** none


### Grain Calculator

[App page](https://appshunter.io/ios/app/grain-calculator/id6504358520)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $2.99 | per month |
| Premium annual | $14.99 | per year |


## Frequently asked questions

### Is Ондо мобайл free?

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

### Is Grain Calculator free?

Grain Calculator is free to download, with in-app purchases available.

### Do Ондо мобайл or Grain Calculator have ads?

Grain Calculator shows ads; Ондо мобайл does not.

### Which is updated more often, Ондо мобайл or Grain Calculator?

Ондо мобайл ships an update every 2 weeks, and Grain Calculator monthly. Most recently, Ондо мобайл was updated on October 3, 2026 and Grain Calculator on October 1, 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.*