# A vs Mainichi

The clearest difference is in-app purchases: A at none against Mainichi's 3. Mainichi's advantage is update cadence (every 5 days vs every 70 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Mainichi sells 3 in-app purchases, starting at $6.99 per month. A asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for A against 5.0 for Mainichi. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

A ships an update every 70 months, Mainichi every 5 days. The most recent releases landed on October 16, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | A | Mainichi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/a-shape/id608284732/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/mainichi-learn-japanese/id6781725881/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 70 months | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 24 MB | 64 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Johannes Dwiartanto](https://appshunter.io/developer/471738677) | [Michal Paczynski](https://appshunter.io/developer/6781725884) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-shape/id608284732)

Create unique geometric shapes through iterative affine transformations. Apply translations, rotations, and scaling to various objects with gradient coloring to generate visually interesting results.

**Highlights:** Affine transformation for shape creation, Translation, rotation, and scaling, Gradient coloring, Supports circles, rectangles, stars, polygons, and lines, Iterative shape generation

**In-app purchases:** none


### Mainichi

[App page](https://appshunter.io/ios/app/mainichi-learn-japanese/id6781725881)

Master Japanese vocabulary with a gamified, spaced repetition system. Progress through levels of mastery, unlock regions on an interactive map, and enjoy engaging study sessions with boss battles and dice rolls. Start learning for free and build a vocabulary that truly sticks.

**Highlights:** Spaced repetition system (SRS), Gamified learning with boss battles, Interactive map of Japan, Seven stages of vocabulary mastery, Daily learning ritual, Unlock new words and regions

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mainichi Premium Monthly | $6.99 | per month |
| Mainichi Premium Yearly | $58.90 | per year |
| Mainichi Lifetime | $149.99 | one-time |


## Frequently asked questions

### Is A free?

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

### Is Mainichi free?

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

### Which has better reviews, A or Mainichi?

A and Mainichi are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do A or Mainichi have ads?

Neither A nor Mainichi shows ads.

### Which is updated more often, A or Mainichi?

A ships an update every 70 months, and Mainichi every 5 days. Most recently, A was updated on October 16, 2026 and Mainichi on October 31, 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.*