# Lastgrain vs Existential Atlas

The clearest difference is in-app purchases: Existential Atlas at none against Lastgrain's 1. Existential Atlas also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Lastgrain sells 1 one-off in-app purchase. Existential Atlas asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Lastgrain | Existential Atlas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/existential-atlas/id6780027303/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 25 MB | 2 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Takafumi Kawano](https://appshunter.io/developer/1895140586) | [RYAN JAMES SIEGEL](https://appshunter.io/developer/6780027305) |

## What reviewers say

### Lastgrain

[App page](https://appshunter.io/ios/app/lastgrain-life-timer/id6763055021)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lastgrain Plus | $5.99 | one-time |


### Existential Atlas

[App page](https://appshunter.io/ios/app/existential-atlas/id6780027303)

Explore diverse human perspectives on life's biggest questions, from death and the afterlife to meaning and purpose. Compare religious, philosophical, and experiential answers side-by-side in plain language, with all claims drawn from real sources.

**Highlights:** Structured answers across five lenses, Guided Journey for personal reflection, In-app library of source texts, Exploration of near-death experiences, Comparison of religious and philosophical views

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

**In-app purchases:** none


## Frequently asked questions

### Is Lastgrain free?

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

### Is Existential Atlas free?

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

### Do Lastgrain or Existential Atlas have ads?

Neither Lastgrain nor Existential Atlas shows ads.

### Which is updated more often, Lastgrain or Existential Atlas?

Lastgrain ships an update every 2 months, and Existential Atlas every 2 months. Most recently, Lastgrain was updated on October 28, 2026 and Existential Atlas on October 13, 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.*