air vs Keep Building!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
air
Defend against incoming luggage as a frog in this tower defense game. Purchase upgrades for towers and health to progress further. Customize your character with unlockable outfits and hats.
- 70+ unique upgrades
- Ultimate Upgrades for endgame
- 7 unlockable levels
- Character customization (hats, skins)
- Unique achievements
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Play as a Frog, and don't let any luggage through! Buy upgrades in the shop, such as towers and health, to make it as far as you can! Discover secret interactions and interesting synergies, and earn Star Coins to get outfits and hats! Features 70+ unique upgrades, all with interesting synergies! Ultimate Upgrades that add a twist to the endgame 7 unlock-able levels spanning a range of difficulties Tons of hats, skins, and planes to customize your character with A couple of unique achievements for the insane!
Keep Building!
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Keep Building! turns your job hunt into a cozy, visual progress game. Set your daily application goal, check in as you make progress, earn coins, unlock buildings, and watch your city grow day by day. Instead of staring at a spreadsheet or feeling stuck in the search, you get a warm little world that reflects the effort you are putting in. Customize your experience with your own nickname, city name, daily goal, sound preferences, performance settings, weather, and daytime lighting. Your city also follows a real-time day and night cycle, with live weather that helps the world feel alive. Every milestone matters. Celebrate progress with rewards, fireworks, new unlocks, and a growing city that reminds you: every application, follow-up, and small step counts. Features: Visualize your job hunting progress as a growing city Set and adjust your daily job application goal Earn coins and unlock buildings as you complete goals Customize your name, city, sounds, performance, weather, and lighting Enjoy a real-time day and night cycle See live weather reflected in your city Celebrate milestones with animations, fireworks, and rewards Share your city progress with friends and family Replay the guide anytime to understand your progress journey Whether you are applying for your first job, searching for a new role, or trying to stay consistent through a long hunt, Keep Building! gives you a gentle, motivating place to keep going. Build your city. Build your momentum. Keep building.
Screenshots
Verdict
The clearest difference is price: Keep Building! at Free against air's $4.99. Keep Building! also leads on in-app purchases (none vs 3). air's advantage is iOS requirement (12.0 vs 14.0). On ads 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
Keep Building! is free to download; air costs $4.99 up front. air sells 3 one-off in-app purchases. Keep Building! asks for nothing beyond the download.
| Parameter | air | Keep Building! |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.5 (20 ratings) — better | — |
| Positive reviews | 88.9% of reviews | — |
| Number of ratings | 20 — better | — |
| Update frequency | Every 9 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 75 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | Brendan Roarty | Leshan Wang184213996631 |
In-app purchases
air
- Retry Tokens$0.99
- Star Stack$0.99
- Star Bundle$1.99
Keep Building!
No in-app purchases









