Human Tower. vs 謎解き ㊙ 母の手紙
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Human Tower.
Build a towering structure of people, carefully clearing blocks to prevent the top person from falling. Collect various characters as you play this challenging physics-based game.
- Build human towers
- Clear blocks strategically
- Prevent top person from dropping
- Collect various characters
- Physics-based gameplay
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Do not drop it! Don't ever drop it! Here comes the most insane Human Tower ever!! Let’s break down the Tower! Remember, if you drop the person on top, your game will be over. Since there are various types of blocks, make sure to think carefully about where should you start to clear. You can also collect many kinds of character!
謎解き ㊙ 母の手紙
Solve the mystery left behind in a letter from your mother. This challenging game presents a series of puzzles and riddles that you must decipher to progress. Perfect for when you have free time or need a break from studying.
- Solve mother's letter puzzles
- Decipher riddles
- Tap to answer
- Progress through stages
- Suitable for breaks
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＞＞ 母の残した【謎】の置き手紙 ＜＜ うちの母は癖がすごい。 これは【手紙】という名の【挑戦状】。 貴方は母の置き手紙の謎を全て解読できるだろうか!? ▼遊び方 1：母の手紙（問題）を見る 2：答えを考える 3：画面下の文字パネルをタップして解答する 4：正解すると次の問題に進みます ▼おすすめ利用シーン ・暇で仕方ないときに!! ・勉強の息抜きに!! ・通勤通学の時間に!! ・Twitterのつぶやきネタに!! ・動画実況に!!
Screenshots
Verdict
The clearest difference is in-app purchases: 謎解き ㊙ 母の手紙 at none against Human Tower.'s 10. 謎解き ㊙ 母の手紙 also leads on ads (none vs shown) and review sentiment (58% vs 27%). Human Tower.'s advantage is rating (4.1 vs 3.7) and ratings volume (31 vs 9). 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. Human Tower. sells 10 one-off in-app purchases. 謎解き ㊙ 母の手紙 asks for nothing beyond the download.
Human Tower. holds the better App Store score, 4.1 against 3.7. Both are backed by a comparable volume of ratings — 31 and 9 respectively. Written reviews complicate that: 27% of Human Tower.'s written reviews are positive against 58% of 謎解き ㊙ 母の手紙's, so the app with the better star average is not the one people write more warmly about.
Human Tower. ships an update every 3 months, 謎解き ㊙ 母の手紙 every 2 months. The most recent releases landed on November 11, 2026 and November 6, 2026 respectively.
| Parameter | Human Tower. | 謎解き ㊙ 母の手紙 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (31 ratings) — better | 3.7 (9 ratings) |
| Positive reviews | 27.3% of reviews | 58.5% of reviews — better |
| Number of ratings | 31 — better | 9 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 189 MB | 244 MB |
| Age rating | 4+ | 4+ |
| Developer | Shion Honda | MIKU KURAKI |
Customer experience
Human Tower.
謎解き ㊙ 母の手紙
In-app purchases
Human Tower.
- Welcome Pack$0.99
- Daily Pack A$0.99
- Daily Pack B$0.99
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- Daily Pack C$0.99
- NoAds$1.99
- Starter Pack$2.99
- 700 gems$3.99
- No Ads (50％OFF)$4.99
- Ultimate Pack$5.99
- No Ads (Permanently)$9.99
謎解き ㊙ 母の手紙
No in-app purchases
