# Doomsday Lord vs Krill Keeper

The clearest difference is rating: Krill Keeper at 5.0 against Doomsday Lord's 4.0. Krill Keeper also leads on in-app purchases (none vs 10) and update cadence (every 2 weeks vs every 6 weeks). Doomsday Lord's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Doomsday Lord sells 10 in-app purchases, starting at $2.99 per month. Krill Keeper asks for nothing beyond the download.

Krill Keeper holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Krill Keeper has 9 ratings behind it against 1, so its average is the more settled of the two.

Doomsday Lord ships an update every 6 weeks, Krill Keeper every 2 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | Doomsday Lord | Krill Keeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/doomsday-lord/id6758034678/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/krill-keeper/id6759456112/reviews)** |
| Number of ratings | 1 | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 33 MB | 102 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [晓红 周](https://appshunter.io/developer/1869802528) | [Nante Studio](https://appshunter.io/developer/1700809099) |

## What reviewers say

### Doomsday Lord

[App page](https://appshunter.io/ios/app/doomsday-lord/id6758034678)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Explorer · Monthly | $2.99 | per month |
| Lord · Monthly | $3.99 | per month |
| Explorer · Yearly | $14.99 | per year |
| Lord · Yearly | $29.99 | per year |
| Survivor Pack | $0.99 | one-time |
| Capacity Expansion | $1.99 | one-time |
| Constructor Pack | $2.99 | one-time |
| Engineer Pack | $4.99 | one-time |
| Rare Supply Pack | $9.99 | one-time |
| Comm Device Upgrade | $9.99 | one-time |


### Krill Keeper

[App page](https://appshunter.io/ios/app/krill-keeper/id6759456112)

A relaxing simulation game where you nurture a deep-sea krill colony. Feed and clean your krill, hatch eggs to expand your colony, and discover 20 unique variants. Enjoy peaceful gameplay with realistic flocking physics and beautiful dark visuals.

**Highlights:** Realistic krill swarm simulation, Feed and clean krill, Hatch new krill companions, Collect 20 krill variants, Discover rare variants, Deep-sea dark palette visuals

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

**In-app purchases:** none


## Frequently asked questions

### Is Doomsday Lord free?

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

### Is Krill Keeper free?

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

### Which has better reviews, Doomsday Lord or Krill Keeper?

Krill Keeper is rated higher. Doomsday Lord averages 4.0 out of 5 from 1 ratings, while Krill Keeper averages 5.0 from 9 ratings.

### Do Doomsday Lord or Krill Keeper have ads?

Krill Keeper shows ads; Doomsday Lord does not.

### Which is updated more often, Doomsday Lord or Krill Keeper?

Doomsday Lord ships an update every 6 weeks, and Krill Keeper every 2 weeks. Most recently, Doomsday Lord was updated on November 5, 2026 and Krill Keeper on November 5, 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.*