SaimonGosuke vs Jo
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
SaimonGosuke
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【Features of the game】 Operation is simple! Just tap the enemies that appear! The stress is released by the flashy explosion effects! If you don't defeat the enemy quickly, you will be shot! Tension like a duel in a western movie! Collect goods such as police identification cards, pistols, and police cars for points. A worldview reminiscent of Showa-era detective dramas. The worldview is reminiscent of a Showa-era detective drama! Gorgeous background music and the voices of men with rich personalities. 【Story】 Joto, a big city that never sleeps 24 hours a day, 365 days a year. In this city where violent crimes never cease, one criminal makes the bad guys, the "moles," tremble. There is one detective who makes the bad guys tremble in fear. His name is "Saimon Gosuke. People call him "the man who calls explosions.
Jo
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Simple and Easy Shooting Game! Enjoy endless gameplay whenever you have a free moment! Step into a laid-back world inspired by the Jomon period and defend your village from the invasion of clay figures! • Press the Start button on the title screen to dive straight into the action! • Analyze the movement and attack patterns of various enemies to clear each wave. • Enemies get stronger with every wave you conquer. • Take down as many enemies as possible and aim for a high score! Each wave introduces enemies with unique attack patterns: • Lined up in a row for synchronized attacks. • Random attacks while drifting sideways. • Surrounding the player and firing diagonally. And that’s not all—bosses unleash special attacks and targeted strikes to keep you on your toes! Survive as long as you can and aim for the highest score!
Screenshots
Verdict
The clearest difference is update cadence: Jo at every 11 days against SaimonGosuke's every 6 months. On price, ads, in-app purchases and device support 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.
SaimonGosuke ships an update every 6 months, Jo every 11 days. The most recent releases landed on June 2, 2026 and August 13, 2026 respectively.
| Parameter | SaimonGosuke | Jo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 11 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 254 MB | 129 MB |
| Age rating | 17+ | 4+ |
| Developer | SHOHEI YAMAMOTO | Seima Nakamoto |
In-app purchases
SaimonGosuke
No in-app purchases
Jo
No in-app purchases









