城市謎案 Case City vs PairIndex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
城市謎案 Case City
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在真實景點玩的偵探推理遊戲, 4~7 人一起遊戲,每人扮演案件中的一個角色,有各自的秘密和任務, 帶著 App 實地到景點區四處搜證、一起討論, 你們,能否成功隱瞞自己的秘密,又一起合作找出真兇呢? 目前開放案件: ◎ 第一案--《日落橋頭》@高雄橋頭糖廠 ◎ 第二案--《林園芳華》@板橋林家花園 更多案件陸續推出中! ※※※ 與眾不同的實境遊戲,不限時間、不需工作人員,想玩就出發 ※※※ ◎ 實境搜查、推理燒腦、角色扮演、謊言心機,全部一次滿足! ◎ 在戶外玩,動腦又健康,一邊解謎一邊觀光 ◎ 一個遊戲就能好玩一整天!讓朋友聚會變得超有趣! ◎ 人數更多還能分組競賽,大型團體也能一起玩!
PairIndex
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Just how rare is your ideal partner? PairIndex is a simulator that puts dating preferences into numbers. It won't give you a "dating score" or rank anyone. It shows how rare a set of conditions really is. Enter what you're looking for, such as age, height, income, savings, education, body type, looks and lifestyle, and PairIndex estimates how many people actually match. • What share of people meet my conditions? • About 1 in how many? • Which condition narrows it down the most? • How many more candidates if I lowered the income bar a little? • How rare am I, compared with people my age? [How rare is your ideal?] See the estimated share of people who match, also shown as "about 1 in N", with a fun comparison like "as rare as winning the Powerball jackpot." [What's narrowing it down] Find out which conditions cut the candidates the most. [What if you relaxed a little?] See how many more people you'd find if you loosened one condition. "$100k+ → $75k+?" "6'0" and up → 5'10" and up?" Move a slider and the result updates instantly. [How rare are you?] Enter your own profile to see what share of people your age and sex match you or better. It's not a score of your worth, just how uncommon that combination is. [The condition gap] Compare how rare you are with how rare your ideal is. [Compatibility of views] Answer a few questions about marriage, kids and lifestyle to see how many people's views wouldn't clash with yours. This is shown separately from rarity. [Share] Share a stylish result card to X or Instagram, or save it to Photos. You choose whether your conditions appear. [Based on public statistics] Estimates use official statistics such as the U.S. Census Bureau, CDC and the Federal Reserve. Correlated conditions (like income and education) are modeled together, so results aren't simply multiplied. Japan, South Korea and Taiwan data are also available. There are no official statistics on looks, so the "top X%" you choose is used as is. [Works on iPhone Duo] On the wide inner display, see your result and the conditions narrowing it down side by side. [Privacy] Everything you enter stays on your device. No account needed. All results are estimates. PairIndex doesn't judge real relationships or anyone's worth. Being rare isn't the same as being attractive. Use it as a prompt to rethink what really matters to you.
Screenshots
Verdict
The clearest difference is ads: 城市謎案 Case City at none against PairIndex's shown. 城市謎案 Case City also leads on iOS requirement (13.0 vs 15.0). PairIndex's advantage is update cadence (every 4 days vs every 3 months). On price, 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.
城市謎案 Case City ships an update every 3 months, PairIndex every 4 days. The most recent releases landed on November 6, 2026 and November 10, 2026 respectively.
| Parameter | 城市謎案 Case City | PairIndex |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 27 MB | 24 MB |
| Age rating | 12+ | 4+ |
| Developer | JingZhi Co., Ltd. | Hiroomi Kubo |
In-app purchases
城市謎案 Case City
No in-app purchases
PairIndex
No in-app purchases









