# Учи с мен vs Flat Earth Pro

The clearest difference is update cadence: Flat Earth Pro at every 6 weeks against Учи с мен's every 21 months. Flat Earth Pro also leads on price ($3.99 vs $9.99) and review sentiment (81% vs 67%). On ads, in-app purchases and device support there is nothing between them.

Учи с мен costs $9.99 and Flat Earth Pro $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Учи с мен ships an update every 21 months, Flat Earth Pro every 6 weeks. The most recent releases landed on June 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Учи с мен | Flat Earth Pro |
| --- | --- | --- |
| Price | $9.99 | **$3.99** |
| Rating | — | **[4.9 (108 ratings)](https://appshunter.io/ios/app/flat-earth-pro/id1664580677/reviews)** |
| Number of ratings | — | **108** |
| Positive reviews | 66.7% of reviews | **81.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 6 weeks** |
| Monetization | Paid | **Free** |
| Size | 65 MB | 224 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kaloyan Koravski](https://appshunter.io/developer/1576063017) | [Othman Alzahrani](https://appshunter.io/developer/1664580679) |

## What reviewers say

### Учи с мен

[App page](https://appshunter.io/ios/app/id1576063015)

This educational game helps children aged 2-7 learn Bulgarian letters, numbers, colors, and more through interactive activities and games. Designed with child psychology principles, it offers visual and auditory learning experiences to make education fun and effective.

**Highlights:** Learn Bulgarian letters (handwritten and printed), Learn numbers, Learn colors and shapes, Learn animals and emotions, Interactive writing practice, Reinforcement games

**In-app purchases:** none


### Flat Earth Pro

[App page](https://appshunter.io/ios/app/flat-earth-pro/id1664580677)

Visualize celestial body positions, daylight coverage, and moon phases on an Earth projection. Explore sun and moon overhead positions, rise/set times, and lunar details. Features offline functionality and a local weather forecast.

**Highlights:** Daylight coverage visualization, Sun and moon overhead positions, Rise and set times, Moon phases and libration, Offline functionality, Local weather forecast

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

**In-app purchases:** none


## Frequently asked questions

### Is Учи с мен free?

Учи с мен costs $9.99, with no in-app purchases.

### Is Flat Earth Pro free?

Flat Earth Pro costs $3.99, with no in-app purchases.

### Do Учи с мен or Flat Earth Pro have ads?

Neither Учи с мен nor Flat Earth Pro shows ads.

### Which is updated more often, Учи с мен or Flat Earth Pro?

Учи с мен ships an update every 21 months, and Flat Earth Pro every 6 weeks. Most recently, Учи с мен was updated on June 1, 2026 and Flat Earth Pro on September 30, 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.*