# Igbo Calendar Riddles Proverbs vs Surface Energy App

The clearest difference is in-app purchases: Surface Energy App at none against Igbo Calendar Riddles Proverbs's 1. Igbo Calendar Riddles Proverbs's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Igbo Calendar Riddles Proverbs sells 1 one-off in-app purchase. Surface Energy App asks for nothing beyond the download.

Igbo Calendar Riddles Proverbs ships an update fortnightly, Surface Energy App every 10 days. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Igbo Calendar Riddles Proverbs | Surface Energy App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/igbo-calendar-riddles-proverbs/id6449474805/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Freemium | — |
| Size | 46 MB | 48 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tobechukwu Ezenachukwu](https://appshunter.io/developer/1689325550) | [Rokswood Efabshop Limited](https://appshunter.io/developer/1737970294) |

## What reviewers say

### Igbo Calendar Riddles Proverbs

[App page](https://appshunter.io/ios/app/igbo-calendar-riddles-proverbs/id6449474805)

This app helps users find the Igbo market day for any Gregorian date between 1900 and 2100. It also includes Igbo proverbs, riddles presented as a game, and historical events to promote Igbo language and culture.

**Highlights:** Igbo market day calculation, Igbo proverbs, Igbo riddles game, Historical Igbo events, Igbo personalities, Cultural promotion

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $1.99 | one-time |


### Surface Energy App

[App page](https://appshunter.io/ios/app/surface-energy-app/id6745168826)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Igbo Calendar Riddles Proverbs free?

Igbo Calendar Riddles Proverbs is free to download, with in-app purchases available.

### Is Surface Energy App free?

Surface Energy App is free to download, with no in-app purchases.

### Do Igbo Calendar Riddles Proverbs or Surface Energy App have ads?

Neither Igbo Calendar Riddles Proverbs nor Surface Energy App shows ads.

### Which is updated more often, Igbo Calendar Riddles Proverbs or Surface Energy App?

Igbo Calendar Riddles Proverbs ships an update fortnightly, and Surface Energy App every 10 days. Most recently, Igbo Calendar Riddles Proverbs was updated on October 25, 2026 and Surface Energy App on October 16, 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.*