# DigDigDrill vs Flat Machine

The clearest difference is update cadence: Flat Machine at every 5 days against DigDigDrill's monthly. DigDigDrill's advantage is iOS requirement (12.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. DigDigDrill sells 1 one-off in-app purchase 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 DigDigDrill against 4.9 for Flat Machine. Both are backed by a comparable volume of ratings — 73 and 68 respectively. Written reviews split almost evenly too, at 94% and 94% positive.

DigDigDrill ships an update monthly, Flat Machine every 5 days. Both last shipped on October 11, 2026.

## The numbers

| Metric | DigDigDrill | Flat Machine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (73 ratings)](https://appshunter.io/ios/app/digdigdrill/id1661085984/reviews) | [4.9 (68 ratings)](https://appshunter.io/ios/app/flat-machine-post-apocalyptic/id6473309112/reviews) |
| Number of ratings | **73** | 68 |
| Positive reviews | **94.4% of reviews** | 93.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 139 MB | 118 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Toki Matsui](https://appshunter.io/developer/1579611442) | [zxima.LLC](https://appshunter.io/developer/714594983) |

## What reviewers say

### DigDigDrill

[App page](https://appshunter.io/ios/app/digdigdrill/id1661085984)

Embark on an underground mining adventure where you dig for minerals and treasures. Use your collected items to craft unique drills with customizable effects. Enjoy a relaxing, no-pressure experience with no enemies or time limits.

**Highlights:** Underground mining and resource collection, Craft original drills with a hack-and-slash system, Collect various minerals and treasures, Forge drills using collected materials, Random special drill effects, Relaxing gameplay with no enemies or time limits

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | 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 DigDigDrill free?

DigDigDrill 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, DigDigDrill or Flat Machine?

DigDigDrill and Flat Machine are both rated 4.9 out of 5 on the App Store, from 73 and 68 ratings respectively.

### Do DigDigDrill or Flat Machine have ads?

Both DigDigDrill and Flat Machine show ads.

### Which is updated more often, DigDigDrill or Flat Machine?

DigDigDrill ships an update monthly, and Flat Machine every 5 days. Most recently, DigDigDrill was updated on October 11, 2026 and Flat Machine on October 11, 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.*