Roma vs ColumnSteps
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Roma
Learn Roman alphabet (Romaji) for Japanese communication through interactive games. Choose between card matching or keyboard input modes, and practice with single characters or full words to defeat the Robo.
- Learn Romaji for Japanese communication
- Card matching mode
- Keyboard input mode
- Practice single characters (Letter)
- Practice multiple characters (Word)
- Beat the Robo game mechanic
- Uses Hepburn system
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Beat the Robo with Roma-ji(Roman alphabet). Let's learn Roma-ji to communicate with Japanese people! With this app, you can learn Roma-ji with using short words. There are two play modes. In 'Card' mode, choose an answer card which has the right roma-ji the Robo asked. In 'Keyboard' mode, input alphabets and make a correct answer by your own! In each mode , you can choose the question style. One is "Letter"(one hiragana character), the other is "Word"(more than one hiragana character). You correct, lose robo's power. Now, it's time to beat the Robo! ----- This app uses Hepburn system. -----
ColumnSteps
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ColumnSteps: Addition は、筆算の基本を一歩ずつ身につける学習アプリです。 繰り上がりを自分で考えながら入力することで、仕組みを理解し、確かな計算力を育てます。 主な機能 ・繰り上がりを考えながら入力 ・アシストモード搭載 ・位をそろえた見やすい筆算レイアウト ・段階的に学べる問題 ・シンプルで集中しやすい画面 このような方におすすめ ・筆算を初めて学ぶお子さま ・繰り上がりが苦手なお子さま ・家庭学習や授業の復習 ・計算力を基礎から身につけたい方 今後も新しい問題や機能を追加していく予定です。
Screenshots
Verdict
The clearest difference is update cadence: ColumnSteps at every 3 days against Roma's every 3 months. Roma's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Roma ships an update every 3 months, ColumnSteps every 3 days. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.
| Parameter | Roma | ColumnSteps |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| Update frequency | Every 3 months | Every 3 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 68 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | MASAHIRO MIZUTANI | Katsuhiko Yao |
In-app purchases
Roma
No in-app purchases
ColumnSteps
No in-app purchases
