SeiwaChanger vs Tempo study timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SeiwaChanger
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SeiwaChangerは素早く西暦から和暦を導き出してくれます。また和暦から西暦も可能です。 切り替えはトグルをワンタップで後は画面もしくはダイヤルで年、月をスクロールし、その年月に応じた和暦、西暦を表示してくれます。 機能一覧 ・選択した年月より、和暦、西暦を表示します。 ・トグルを切り替えることで和暦、西暦のどちらからでも検索できます。
Tempo study timer
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Turn Your Studies into a Playlist No rankings, no comparisons. Curate today's study routine just like picking a song, and quietly get started. Study Playlist Create a playlist of your subjects and tasks, just like a music app. Enjoy the fun of personally handpicking and curating your sessions for the day. My Study Log Daily, weekly, and monthly statistics. Track your progress at a glance.
Screenshots
Verdict
SeiwaChanger and Tempo study timer are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | SeiwaChanger | Tempo study timer |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 1 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | yuji oka | Daihun Kim |
In-app purchases
SeiwaChanger
No in-app purchases
Tempo study timer
No in-app purchases
Questions
Is SeiwaChanger free?
Is Tempo study timer free?
Do SeiwaChanger or Tempo study timer have ads?
Other comparisons
