# FlashInvaders vs GrainLog

The clearest difference is in-app purchases: FlashInvaders at none against GrainLog's 1. FlashInvaders also leads on iOS requirement (12.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. GrainLog sells 1 one-off in-app purchase. FlashInvaders asks for nothing beyond the download.

## The numbers

| Metric | FlashInvaders | GrainLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (907 ratings)](https://appshunter.io/ios/app/flashinvaders/id895180919/reviews)** | — |
| Number of ratings | **907** | — |
| Positive reviews | 76.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Monetization | Free | — |
| Size | 20 MB | 2 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [flash invaders](https://appshunter.io/developer/895180922) | [InnovaLabWorks](https://appshunter.io/developer/1888514726) |

## What reviewers say

### FlashInvaders

[App page](https://appshunter.io/ios/app/flashinvaders/id895180919)

Discover and document street art mosaics globally. Scan artwork to add it to your personal gallery, earn points, and track your progress. Share your finds and compete with friends.

**Highlights:** Discover street art mosaics, Scan and document artwork, Personal mosaic gallery, Share discoveries on social media, Follow friends' scores, Live worldwide flash stream

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

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and engaging app
- 🚀 Great for exploring cities
- 👾 Clever concept
- 💥 Motivates users to discover art
- 🌍 Encourages travel and discovery

**What reviewers complain about**

- 🐛 Validation/recognition issues
- 🚫 Inability to upload existing photos
- 🤖 Glitchy and unreliable
- 🚫 Accounts getting banned/blocked

**Reported bugs**

- Camera not working
- Login/sign-up issues
- Crashes and black screens
- Inability to restore lost galleries

**Requested features**

- Ability to upload existing photos
- Improved validation and recognition
- Geolocation support for damaged invaders
- Higher zoom levels
- More invaders in different regions


### GrainLog

[App page](https://appshunter.io/ios/app/grainlog-woodshop-log/id6790140346)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GrainLog Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is FlashInvaders free?

FlashInvaders is free to download, with no in-app purchases.

### Is GrainLog free?

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

### Do FlashInvaders or GrainLog have ads?

Neither FlashInvaders nor GrainLog shows ads.

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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.*