# INSECTARIUM ALTERNATIVE MARCH vs Flat Machine

The clearest difference is update cadence: Flat Machine at every 5 days against INSECTARIUM ALTERNATIVE MARCH's every 2 months. INSECTARIUM ALTERNATIVE MARCH's advantage is iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. INSECTARIUM ALTERNATIVE MARCH sells 8 one-off in-app purchases and Flat Machine sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for INSECTARIUM ALTERNATIVE MARCH against 4.9 for Flat Machine. Both are backed by a comparable volume of ratings — 115 and 68 respectively. Written reviews are what separate them: 91% of INSECTARIUM ALTERNATIVE MARCH's written reviews are positive against 94% of Flat Machine's.

INSECTARIUM ALTERNATIVE MARCH ships an update every 2 months, Flat Machine every 5 days. Both last shipped on September 28, 2026.

## The numbers

| Metric | INSECTARIUM ALTERNATIVE MARCH | Flat Machine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (115 ratings)](https://appshunter.io/ios/app/insectarium-alternative-march/id1484566407/reviews) | [4.9 (68 ratings)](https://appshunter.io/ios/app/flat-machine-post-apocalyptic/id6473309112/reviews) |
| Number of ratings | **115** | 68 |
| Positive reviews | 91.2% of reviews | **93.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 130 MB | 118 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [Caramel Column Inc.](https://appshunter.io/developer/1296169591) | [zxima.LLC](https://appshunter.io/developer/714594983) |

## What reviewers say

### INSECTARIUM ALTERNATIVE MARCH

[App page](https://appshunter.io/ios/app/insectarium-alternative-march/id1484566407)

Engage in an adventure game where you manage eccentric workers and investigate urban legends. Make decisions to achieve investigation goals or face escalating danger. Uncover mysteries through multiple playthroughs with branching scenarios and endings.

**Highlights:** Accept or reject worker proposals, Achieve 100% completion rating, Reach 100% danger rating, Unlock story mysteries, Multiple endings, Eccentric characters

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CASUAL MODE | $0.99 | one-time |
| SIDE STORY: FULL BUNDLE | $1.99 | one-time |
| SP Scenario 1: OBSESSIVE LOVE | $2.99 | one-time |
| SP Scenario 2: CRUSH ON... | $2.99 | one-time |
| SP Scenario3: HERO OF HEROES | $2.99 | one-time |
| BRONZE SUPPORTER | $2.99 | one-time |
| SILVER SUPPORTER | $4.99 | one-time |
| GOLD SUPPORTER | $6.99 | one-time |


### Flat Machine

[App page](https://appshunter.io/ios/app/flat-machine-post-apocalyptic/id6473309112)

Control a limbless robot tasked with defending a settlement in a post-apocalyptic world. Engage in simple, timing-based battles against various threats and make choices that influence the game's multiple endings. Discover the mystery of your own identity.

**Highlights:** Simple, timing-based battles, Item combination system, Respond to various visitors, Multiple endings based on choices, Daily events and encounters

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AD removal | $2.99 | one-time |
| Donation(S) | $3.99 | one-time |
| Donation(M) | $14.99 | one-time |
| Donation(L) | $34.99 | one-time |

**What reviewers like**

- 👍 Highly engaging gameplay
- 💖 Compelling characters and story
- 💡 Multiple endings and replayability
- ✨ Unique post-apocalyptic world
- 🎮 Satisfying progression and strategy

**What reviewers complain about**

- 🐛 Ad issues (app store redirection)
- 🐛 Ads sometimes break BGM
- ⚖️ Endless mode can feel like pure luck
- ❓ Some events seem to have limited interactions
- 🚫 Lack of Chinese translation

**Reported bugs**

- Ads redirect to app store and prevent item rewards
- Ad BGM continues playing after ad ends
- Ad BGM persists even after restarting app
- Agoda ads prevent continuing the game

**Requested features**

- Add Chinese translation
- Add Vietnamese translation
- Add Spanish translation
- Option for one-time purchase to remove ads
- More interactions with certain characters (e.g., training robot)


## Frequently asked questions

### Is INSECTARIUM ALTERNATIVE MARCH free?

INSECTARIUM ALTERNATIVE MARCH is free to download, with in-app purchases available.

### Is Flat Machine free?

Flat Machine is free to download, with in-app purchases available.

### Which has better reviews, INSECTARIUM ALTERNATIVE MARCH or Flat Machine?

INSECTARIUM ALTERNATIVE MARCH and Flat Machine are both rated 4.9 out of 5 on the App Store, from 115 and 68 ratings respectively.

### Do INSECTARIUM ALTERNATIVE MARCH or Flat Machine have ads?

Both INSECTARIUM ALTERNATIVE MARCH and Flat Machine show ads.

### Which is updated more often, INSECTARIUM ALTERNATIVE MARCH or Flat Machine?

INSECTARIUM ALTERNATIVE MARCH ships an update every 2 months, and Flat Machine every 5 days. Most recently, INSECTARIUM ALTERNATIVE MARCH was updated on September 28, 2026 and Flat Machine on September 28, 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.*