Heart Box vs Quiet Threads
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Heart Box
Guide a robot through challenging puzzle rooms by utilizing realistic physics and a variety of objects. Solve over 180 levels across four game modes, with the ability to create and share your own levels.
- Over 180 puzzle levels
- Four distinct game modes
- Level editor and QR code sharing
- Online community levels database
- Realistic physics engine
- Robot customization with skins
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Professor Rat created Robby but gave him a weak battery, which is why our hero has to constantly recharge and participate in crazy experiments. Take the robot through all the experimental puzzle rooms of Professor Rat to release him from the charger! Features: ▶ Over 180 levels for your brain! ▶ 4 funny game modes ▶ 20 physical objects ▶ Level Editor & Collection of QR levels ▶ Online database "Community Levels" ▶ Tons of skins for robot! ▶ Realistic physics ▶ High-quality graphics ▶ A lot of cartoons! ▶ Game achievements & leaderboards Find new levels in our community: Facebook: https://www.facebook.com/radbrothers Twitter: https://twitter.com/Rad_Brothers Instagram: https://www.instagram.com/rad_brothers VK: https://vk.com/radbrothersid YouTube channel: https://www.youtube.com/user/RadBrothersID Our website: https://radbrothers.com
Quiet Threads
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Quiet Threads is a cozy grouping puzzle. Each puzzle shows sixteen words. Four of them belong together in a hidden category — and there are four categories in all. Pick four words that share a theme, tap submit, and the group locks in. Four mistakes ends the round. No timer, no streak penalty, no noise — just words and time to think. The name borrows the expression "common thread" — the shared idea that ties a group of words together. How it plays: • Sixteen words, four hidden categories of four • Find all four groups in four mistakes or fewer • A "one away" nudge when three of your four belong but one doesn't • Difficulty pip per puzzle and a distribution bar per pack so you can pick your pace One daily puzzle per language, picked once and shared by everyone playing that day. Thirteen hand-authored themed packs at launch — seven in English (Starter, Coast, Garden, Kitchen, Library, Nights, Studio) and six in French. Every puzzle is read by a human and rated for overall difficulty, so packs ramp gently rather than spiking. Two content languages: English and French, with localized words and categories — not machine translations. Switch in Settings → Language; daily puzzle and packs follow your choice. Four themes — Light, Paper, Dark, and Dusk. Pick one in Settings, change it whenever you like. Cozy ambient music and gentle haptics. Every sound has a tap-mute on the Home screen, no settings dive needed. No ads. No accounts. No real-money purchases. Anonymous product analytics only — no IDs, no personal data, no tracking. Your stats live on this device.
Screenshots
Verdict
The clearest difference is in-app purchases: Quiet Threads at none against Heart Box's 13. Quiet Threads also leads on ads (none vs shown) and update cadence (monthly vs every 2 months). Heart Box's advantage is iOS requirement (13.0 vs 17.0). On price 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. Heart Box sells 13 one-off in-app purchases. Quiet Threads asks for nothing beyond the download.
Heart Box ships an update every 2 months, Quiet Threads monthly. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.
| Parameter | Heart Box | Quiet Threads |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (209 ratings) — better | — |
| Positive reviews | 87.5% of reviews | — |
| Number of ratings | 209 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 108 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Konstantin Radchenko | Laurent Chouinard |
In-app purchases
Heart Box
- 1000 Coins$0.49
- 5000 Coins$0.99
- 10000 Coins$1.49
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- 10000 Coins$2.99
- All Purple Skins$3.99
- All Blue Skins$3.99
- Remove ads$4.99
- Open all levels & remove ads$6.99
- All Yellow Skins$6.99
- 30000 Coins$6.99
- VIP Gold Skin$7.99
- VIP Brilliant Skin$7.99
- 50000 Coins$9.99
Quiet Threads
No in-app purchases









