# Mech TD vs Gravity Flip Rush

The clearest difference is ads: Gravity Flip Rush at none against Mech TD's shown. Mech TD's advantage is update cadence (weekly vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Mech TD sells 13 one-off in-app purchases and Gravity Flip Rush sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Mech TD ships an update weekly, Gravity Flip Rush every 3 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Mech TD | Gravity Flip Rush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (124 ratings)](https://appshunter.io/ios/app/mech-td-space-war/id6463076238/reviews)** | — |
| Number of ratings | **124** | — |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 326 MB | 6 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [涓 梅](https://appshunter.io/developer/1691042897) | [Ahmad Majid](https://appshunter.io/developer/1632450349) |

## What reviewers say

### Mech TD

[App page](https://appshunter.io/ios/app/mech-td-space-war/id6463076238)

Command mechs in a tower defense narrative, battling alien insects and the Empire. Explore diverse modes, customize units, and utilize unique skills across multiple maps. Experience intense battles with simple controls and dynamic jumping mechanics.

**Highlights:** Story-driven tower defense mode, Intense survivor mode, Variety of battle modes, Command 6 unique mech commanders, Customize unit colors, Utilize random skills and battle tech, 7 distinct maps

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| starter_pack_1 | $0.99 | one-time |
| starter_pack_3 | $0.99 | one-time |
| purchase the full game content | $1.99 | one-time |
| R&D coin pack 1 | $1.99 | one-time |
| starter_pack_4 | $1.99 | one-time |
| starter_pack_2 | $1.99 | one-time |
| One month no ads | $5.99 | one-time |
| R&D coin pack 2 | $7.99 | one-time |
| permanent VIP | $9.99 | one-time |
| gold vip | $12.99 | one-time |
| R&D coin pack 3 | $14.99 | one-time |
| R&D coin pack 4 | $49.99 | one-time |
| R&D coin pack 5 | $99.99 | one-time |


### Gravity Flip Rush

[App page](https://appshunter.io/ios/app/gravity-flip-rush/id6761365475)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 coins | $0.99 | one-time |
| 1200 coins | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 3000 coins | $4.99 | one-time |
| 7000 coins | $9.99 | one-time |
| 18000 coins | $19.99 | one-time |


## Frequently asked questions

### Is Mech TD free?

Mech TD is free to download, with in-app purchases available.

### Is Gravity Flip Rush free?

Gravity Flip Rush is free to download, with in-app purchases available.

### Do Mech TD or Gravity Flip Rush have ads?

Mech TD shows ads; Gravity Flip Rush does not.

### Which is updated more often, Mech TD or Gravity Flip Rush?

Mech TD ships an update weekly, and Gravity Flip Rush every 3 months. Most recently, Mech TD was updated on September 21, 2026 and Gravity Flip Rush on September 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*