Idle Energy Empire vs Gravity
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Idle Energy Empire
Build and manage an energy empire in a post-apocalyptic wasteland. Harvest resources, produce batteries, upgrade machines, and defend your factory from zombie hordes. Expand your operations and connect the grid to survive and thrive.
- Resource management
- Machine upgrades
- Battery production
- Electric train logistics
- Grid connection gameplay
- Zombie defense
- Factory expansion
Read full descriptionHide full description
Power Up Your Factory and Survive the Wasteland! Welcome to Idle Electricity Outpost – an electrifying idle simulation game where you build and manage your energy empire in a post-apocalyptic wasteland! Generate electricity, produce powerful batteries, and defend your factory from relentless zombie hordes. Are you ready to light up the future? Manage Your Resources Start by harvesting essential minerals, creating glass cases, and forging metal components. Combine these resources to produce high-tech batteries and sell them for profit. Use your earnings to expand and optimize your factory! Upgrade Your Machines Boost your production capabilities by upgrading key machines: Furnace: Refine raw minerals into usable materials. Assembly Unit: Build battery components with precision. Charging Station: Power up and prepare your batteries for sale. Efficient Logistics Run an electric train to deliver minerals to your factory while your hard-working bots and skilled workers keep everything running smoothly. Every process counts towards creating an efficient energy empire. Connect the Grid Take charge of the power lines! Strategically connect electricity across your factory to keep the machines running and the lights on. This unique gameplay feature sets you apart from other tycoons. Defend Against Zombies Survive the post-apocalyptic wasteland by defending your factory from zombies! Tap to eliminate threats and keep your workers safe. Can you protect your outpost while growing your energy empire? Expand Your Outpost Use your profits to expand your operations, discover new technologies, and create the ultimate electricity hub. Turn your wasteland factory into a beacon of light for the future! Idle Electricity Outpost offers addictive idle gameplay, engaging strategy, and an exciting mix of survival and simulation. Download now and start building your energy empire today!
Gravity
Read full descriptionHide full description
Gravity Lander is a lunar arcade landing game where precision, timing, and fuel control decide whether you survive the mission. Pilot your lander through dangerous lunar terrain, collect cargo, avoid obstacles, and touch down safely on the landing pad. Every movement matters: use your thrust carefully, watch your fuel, and keep control as gravity pulls you toward the surface. Play through campaign missions, improve your landing skills, and race against the clock in Time Trial mode. Simple controls make it easy to start, but perfect landings take practice. Features: • Physics-based lunar landing gameplay • Campaign missions with increasing challenge • Time Trial mode for fast runs • Cargo collection objectives • Fuel management and careful flying • Clean arcade-style space visuals • Quick levels made for mobile play Can you recover the cargo and land without a scratch?
Screenshots
Verdict
The clearest difference is ads: Gravity at none against Idle Energy Empire's shown. Idle Energy Empire's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, 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. Idle Energy Empire sells 13 one-off in-app purchases and Gravity sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Idle Energy Empire ships an update every 3 days, Gravity daily. The most recent releases landed on September 19, 2026 and September 15, 2026 respectively.
| Parameter | Idle Energy Empire | Gravity |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (143 ratings) — better | — |
| Positive reviews | 40.8% of reviews | — |
| Number of ratings | 143 — better | — |
| Update frequency | Every 3 days | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 273 MB | 66 MB |
| Age rating | 12+ | 4+ |
| Developer | SOZAP | IVF Parentium |
Bugs and requests
Idle Energy Empire
Reported bugs
3 issues- Button to upgrade factory not working
- Stuck at loading screen
- Unable to progress past first factory
Requested features
3 requests- Add more factories (4, 5, 6)
- Paid version to remove ads
- Ability to scroll or resize tasks
Gravity
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Idle Energy Empire
- Starter Pack$0.99
- Few gems$1.99
- Gem Pack Offer$1.99
Show 10 moreShow fewer
- Starter Pack$2.99
- Factory 2 Offer$4.99
- Factory 3 Offer$4.99
- Gems pack 2$4.99
- Starter Pack$4.99
- Factory 2 Offer$6.99
- Factory 3 Offer$6.99
- Gem pack 3$9.99
- Gem pack 5$19.99
- Gem pack 5$49.99
Gravity
- 4 Cores + 300 Credits$0.99
- 9 Cores + 800 Credits$4.99
- 16 Cores + 1,400 Credits$9.99
Questions
Is Idle Energy Empire free?
Is Gravity free?
Do Idle Energy Empire or Gravity have ads?
Which is updated more often, Idle Energy Empire or Gravity?
Other comparisons















