Circle vs ki
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Circle
Guide a jumping circle to avoid a dangerous line. Test your reflexes and see how far you can progress in this simple yet challenging arcade game. Compete for the highest score.
- Tap to jump
- Avoid the line
- Endless gameplay
- Score tracking
- Challenging reflexes
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Make the circle jump and avoid hitting the line! How far can you go?
ki
Test your timing and reflexes in this challenging arcade game. Tap the screen precisely at each turn to navigate increasingly difficult levels. Compete for high scores and earn medals.
- Precise tap-based controls
- Progressively challenging levels
- Leaderboard and medal system
- 100 unique levels
- Replay passed levels
- Skip difficult levels
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ki - 10th in "focus" (aa, uu, ff, au, rr, ao, rl, sp, th, ki, ci, sn, lo, ba, ov, sh, fi, do, ru & ti) Tap to make each turn, timing is key. Simply, tap as close to each turn as you can - see what happens. The further away, the worse. Get through as many turns as you can by tapping as close as you can before each kink. Each level gets more and more demanding, but the dynamic stays simple - just tap, anywhere on the screen. You can also top the leaderboard and earn medals! (bronze, silver and gold). There's 100 levels to solve right now, intertwined with all sorts of tweaks and surprises. You can also go back and replay any level you've already passed, at any time (Choose Level). If you're stuck on a really tricky level, skip it! (Tap Skip on the Fail Screen) If you can't wait, unlock all 100 levels and replay at your own pace! (Choose Level > Unlock All Levels) Thanks for all your support, I hope you're enjoying the "focus" series thus far. Handmade in Australia, General Adaptive
Screenshots
Verdict
The clearest difference is rating: Circle at 4.3 against ki's 3.0. Circle also leads on ratings volume (5.5K vs 30) and review sentiment (43% vs 26%). ki's advantage is ads (none vs shown) and iOS requirement (8.0 vs 12.0). On price, update cadence, in-app purchases and monetization model 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. Circle sells 5 one-off in-app purchases and ki sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Circle holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Circle has 5.5K ratings behind it against 30, so its average is the more settled of the two. Written reviews point the same way: 43% of Circle's written reviews are positive against 26% of ki's.
Circle ships an update every 2 months, ki every 4 months. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.
| Parameter | Circle | ki |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (5.5K ratings) — better | 3.0 (30 ratings) |
| Positive reviews | 42.9% of reviews — better | 25.6% of reviews |
| Number of ratings | 5.5K — better | 30 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 324 MB | 13 MB |
| Age rating | 12+ | 4+ |
| Developer | Ketchapp | General Adaptive Apps Pty Ltd |
Customer experience
Circle
ki
User reviews
Circle
From 5.5K App Store ratingsWhat we love
- 🚀 Addictive gameplay
- 👍 Simple and fun concept
- 🎨 Visually appealing circles
- 💎 Earning diamonds is rewarding
Room to improve
- 🔍 Challenges are inaccurate/glitchy
- 📢 Excessive and intrusive ads
- 🐛 Frequent crashes and glitches
- 🕹️ Unresponsive controls and lag
- 🔄 Repetitive gameplay with lack of updates
ki
From 30 App Store ratingsWhat we love
- 🎮 Addictive and engaging gameplay
- 💡 Innovative concept with unique mechanics
- 🧠 Tests reflexes and patience effectively
- 🔥 Fun once mechanics are understood
- ⭐ Challenging difficulty appeals to some players
Room to improve
- 🐛 Frequent glitches and crashes
- ❌ Unclear instructions and poor onboarding
- ⚡ Inconsistent ball speed mechanics
- 😤 Extremely difficult difficulty curve
- 🔴 Tutorial overlay blocks gameplay
Bugs and requests
Circle
Reported bugs
3 issues- Diamonds not counting properly in challenges
- Game screen not fitting properly on newer devices
- Tapping not registering correctly
Requested features
4 requests- More race levels and challenges
- Ability to customize circles
- Option to play own music
- Pause button during gameplay
ki
Reported bugs
9 issues- Tutorial instruction box stays on screen blocking gameplay
- Game crashes frequently during play
- Ball moves erratically sideways off the line
- Fails occur while ball is still moving
- Level 1 unplayable due to tutorial overlay
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- Ball speed is unpredictable and inconsistent
- Game fails immediately after tutorial disappears
- Ball gets stuck or moves too slowly to confirm movement
- Turns happen automatically without player input
Requested features
6 requests- Clear and detailed gameplay instructions
- Consistent and predictable speed mechanics
- Better tutorial system that doesn't block gameplay
- Adjustable difficulty levels
- Clearer visual feedback for turns
Show 1 moreShow fewer
- Fix overlapping path visibility issues
In-app purchases
Circle
- 400 Diamonds$0.99
- Remove Ads$1.99
- 1000 Diamonds$1.99
Show 2 moreShow fewer
- 3000 Diamonds$4.99
- 5000 Diamonds$6.99
ki
- Skip Level$0.99
- Remove Ads$1.99
- Unlock All Levels$3.99
