MozcCo vs KumiKey
Price, ratings, monetisation and update history for both apps, side by side â with what reviewers say about each.
MozcCo
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ããŒããŒãã®é åã»ãµã€ãºã»è²ããèªåã®äœ¿ãå¿å°ã«åãããŠã MozcCoã¯ãããªããªãã¯ãšããŒãåQWERTYã䜿ããæ¥æ¬èªããŒããŒãã§ããiPhoneã§ã®çæå ¥åãããiPadã§ã®äž¡æå ¥åãŸã§ãé«ããããŒééã調æŽãã奜ã¿ã®ããŒããéžã¹ãŸããæ¥æ¬èªå€æã¯ç«¯æ«å ã§è¡ããŸãã ãæã¡æ¹ã«åãããŠãå ¥åæ¹æ³ãéžã¹ãã ã»æ¥æ¬èª12ããŒã®ããªããªãã¯ãšãããŒãåQWERTY ã»è±èªã®åå²QWERTYïŒiPadãšå¯Ÿå¿ããæšªåãã®iPhoneïŒ ã»æ¥æ¬èªã»è±èªã»æ°åããããã§ã瞊åãã»æšªåãã®é åãèšå® ã»ããªãšè±åãåæã«è¡šç€ºãã2é¢ããŒããŒã ã»2é¢ã®å·Šå³å ¥ãæ¿ããšã3é¢ã®ãã©ãã°ã«ããäžŠã¹æ¿ã ã»iPadãªã©åºãç»é¢åãã®3é¢12ããŒã»äž¡æ12ã㌠ã»è±èªã»æ°åã§ãäž¡æ12ããŒãéžæïŒiPadãšå¯Ÿå¿ããæšªåãã®iPhoneïŒ ã»è±åã»æ°åå ¥åãçµµæåãšèšå· ã倿ãšãèšèã®ç¶ãããµããŒãã ã»Mozcã«ããäºæž¬ã»æç¯å€æã端æ«å ã§å®è¡ ã»æèã«å¿ãã倿ãšãå ¥åäžã«è¡šç€ºããåè£ã®é äœãæ¹å ã»è±èªã®åèªäºæž¬ãšãæèã«å¿ããæ¬¡ã®åèªã®ææ¡ ã»ãŠãŒã¶ãŒèŸæžã«ç»é²ããåèªã倿ã»äºæž¬ã«å©çš ã»å€æåè£ãäžèЧã«åºããŠéžæ ã»æ¬¡èªã®å±¥æŽåŠç¿ãæå¹ã«ãããšãèªåã®ç¢ºå®å±¥æŽã«åºã¥ãç¶ããåè£ãšããŠè¡šç€º ã»ä»»æã§æå¹ã«ã§ãã倿åŠç¿ãšãèªåã®ç¢ºå®å±¥æŽã䜿ã£ã次èªäºæž¬ ã»çŽåã®æç¯ã®å倿ãåãæ¶ããªã©ã®ç·šéè£å© å人ã®å±¥æŽã䜿ãåŠç¿ã¯åæç¶æ ã§ã¯ãªãã§ããèšå®ããæå¹ã«ã§ãã忢ã»åŠç¿ããŒã¿ã®å šæ¶å»ã«ã察å¿ããŠããŸããåŠç¿ããŒã¿ã¯ç«¯æ«å ã§æ±ããŸãã ããµã€ãºããèŠãç®ããèªå奜ã¿ã«ã ã»ããŒããŒãã®æšªå¹ ã»é«ããããŒééãçæåãã®é 眮ããããŒããŒãäžã®ãã¿ã³ãã調æŽïŒãã«ã¢ã¯ã»ã¹ãå¿ èŠïŒ ã»å¯Ÿå¿ããåå²é åã§ãå·Šå³ã®ééãšããããã®äœçœ®ãèª¿æŽ ã»12ããŒã»2é¢ã»3é¢ã»äž¡æé åã§ãç«¯ã®æ©èœããŒåãšæåããŒåã®å¹ ã®å²åãèª¿æŽ ã»èœã¡çããè²ããé®®ãããªèµ€ã»ç·ã»éãŸã§ã奜ã¿ã®ããŒããéžæ ã»ããŒãã®ææã¯ãã·ã¹ãã ã«åãããã»åžžã«ã©ã€ãã»åžžã«ããŒã¯ããéžæ ã»è£å©ã©ãã«ãããªãã¯ã¬ã€ãã®è¡šç€ºãåãæ¿ã ããã«ã¢ã¯ã»ã¹ã¯ä»»æã éåžžã®æåå ¥åã»å€æã«ããã«ã¢ã¯ã»ã¹ã®èš±å¯ã¯å¿ èŠãããŸãããããŒããŒãã®é åã»ããŒããªã©ã¯ãMozcCoæ¬äœã®èšå®ããããã«ã¢ã¯ã»ã¹ãªãã§å€ããããŸãã ãã«ã¢ã¯ã»ã¹ã䜿ãã®ã¯ã次ã®ãšãã ãã§ãã ã»ãµã€ãºã®èª¿æŽïŒããŒããŒãã®äžã®ãã¿ã³ããè¡ããŸãïŒ ã»ããŒã¹ãæ©èœ ã»ã¿ããé³ã»è§ŠèŠ ã»ããŒããŒãããæ¬äœã®èšå®ç»é¢ãéãæäœ å ¥åæ¬æã貌ãä»ããå 容ãéå¶è ã»åºåãµãŒãã¹ãžéä¿¡ããæ©èœã¯ãããŸãããããŒããŒãå ã«åºåã¯è¡šç€ºããŸãããæªè³Œå ¥ã®å Žåã¯MozcCoæ¬äœã®èšå®ã®åç»é¢ã«åºåã衚瀺ããŸããã¢ããªå ã®è²·ãåãè³Œå ¥ã§åºåãé衚瀺ã«ã§ããŸããåºåãµãŒãã¹ã«ããããŒã¿ã®åæ±ãã¯ãã©ã€ãã·ãŒããªã·ãŒãã確èªãã ããã ã䜿ãå§ããã«ã¯ã ã€ã³ã¹ããŒã«åŸãiOSã®ãèšå®ãããMozcCoããŒããŒãã远å ããå ¥åæ¬ã§ããŒããŒããåãæ¿ããŠãå©çšãã ããããã¹ã¯ãŒãæ¬ãªã©ãiOSãå©çšå ã¢ããªã®ä»æ§ã«ããä»ç€Ÿè£œããŒããŒãã䜿çšã§ããªãå ¥åæ¬ããããŸãã
KumiKey
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KumiKeyã¯ãããŒã®é 眮ãèªç±ã«äœããæ¥æ¬èªããªãã¯ããŒããŒãã§ããçæã§æã€äººããäž¡æã§æã€äººããèªåã®æã«åã䞊ã³ã«ã§ããŸãã â é 眮ã¯èªåã§äœãã 12ããŒãåè£æ¬ãQWERTYãèšå·ãšã«ãŒãœã«ã®ããŒãæã§åãããŠã倧ãããå€ããããŸãã瞊åããšæšªåãã§å¥ã®é 眮ã䜿ããŠãäœã£ãé 眮ã¯ãªã³ã¯ã§äººã«ãæž¡ããŸãã â çæã§ãäž¡æã§ã åè£æ¬ã®ãã¿ã³ã§ã12ããŒãå·Šå¯ãã»å¯ããªãã»å³å¯ãã«ãã®å Žã§åãæ¿ããããŸããæã€æãæ¿ããŠãã芪æã®å±ãäœçœ®ã«ããå¯ããããŸãã â 倿 ã»äºæž¬å€æãšã䜿ã£ãèšèã®åŠç¿ ã»AIã䜿ã£ã倿ïŒç«¯æ«ã®äžã§åããŸããèšå®ã§ãªãã«ãã§ããŸãïŒ ã»KumiKeyã®ãŠãŒã¶ãŒèŸæžãšãiOSã®ãŠãŒã¶ãŒèŸæž ã»å šåœã®å°åã®èŸæž ã»è±èªã®äºæž¬ãšããŒãåå ¥å ã»åè£ãåºããŠãããŒã®äžã«äžèЧã§è¡šç€º â ã¯ãªããããŒãå±¥æŽ ããŒããŒãã®ããŒãã§ãããŒã¹ãããæŒããšããã®ãšãã³ããŒããŠããæåãç»åãå±¥æŽã«æ®ããããšããéžãã§å ¥åã§ããŸãããã䜿ããã®ã¯ãã³çãã§ããŸãããã¹ã¯ãŒããèªèšŒã³ãŒããããæåã¯äŒããŠè¡šç€ºããä¿åããŸãããå±¥æŽã¯ç«¯æ«ã®äžã ãã«æ®ãããã³çãããŠããªããã®ã¯1æ¥ã§æ¶ããŸãã â çŽæ£ã«è¿ã䜿ãå¿å° ããªãã¯ã®ã¿ã®å ¥åããã°ã«å ¥åãåé€ããŒãå·Šã«æ»ãããŠè¡ããŸãšããŠæ¶ãã空çœããŒã®é·æŒãã§ã«ãŒãœã«ç§»åãè§ŠèŠãšããŒé³ããã¹ã¯ãŒãã®æ¬ã§ã¯ãä¿åãããã¹ã¯ãŒããåºããæšæºã®ããŒããŒãã«ã²ãšæŒãã§åãæ¿ããããŸãã â ãã©ã€ãã·ãŒ å ¥åããæåã¯ã©ãã«ãéããŸããã倿ãåŠç¿ããAIã䜿ã£ã倿ãã端æ«ã®äžã ãã§è¡ããŸãããã«ã¢ã¯ã»ã¹ã¯ä»»æã§ãè§ŠèŠãšããŒé³ãããŒããŒãã§éžãã å¯ããã¢ããªã«åæ ããããšãé³å£°å ¥åïŒå£°ã¯ç«¯æ«ã®äžã§æåã«ããã©ãã«ãéããŸããïŒãã¯ãªããããŒãå±¥æŽã®ããã ãã«äœ¿ããŸãã â èŠæã»äžå ·å ã¢ããªã®ãèŠæã»äžå ·åãéãããããã»ããæ©èœãåºãŠã»ãã倿ãéããŸãã â 察å¿ããç«¯æ« iPhoneãšiPadã§äœ¿ããŸããç»é¢ã®åºã端æ«ã§ã¯ã暪é·ã«æã€ãšç»é¢ã®å·Šå³ã«12ããŒã䞊ã³ãäž¡æã®èŠªæã§æãŠãŸãã
Screenshots
Verdict
The clearest difference is in-app purchases: KumiKey at none against MozcCo's 1. KumiKey also leads on ads (none vs shown). MozcCo's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence 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. MozcCo sells 1 one-off in-app purchase. KumiKey asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 days. Both last shipped on November 10, 2026.
| Parameter | MozcCo | KumiKey |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | Every 2 days |
| Ads | Yes | No â better |
| In-app purchases | Yes | No â better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 â better | 26.0 |
| Further details â not scored | ||
| Size | 61 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | Masaru Sadahisa | Ayumu Yoshie |
In-app purchases
MozcCo
- MozcCo åºåãªã$11.99
KumiKey
No in-app purchases





