# Time Atlas vs PerceptionGap

The clearest difference is iOS requirement: PerceptionGap at 15.1 against Time Atlas's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Time Atlas sells 3 in-app purchases, starting at $8.99 per month and PerceptionGap sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Time Atlas ships an update every 5 days, PerceptionGap weekly. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Time Atlas | PerceptionGap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (61 ratings)](https://appshunter.io/ios/app/time-atlas-automatic-diary/id6738783076/reviews)** | — |
| Number of ratings | **61** | — |
| Positive reviews | 76.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free | — |
| Size | 107 MB | 64 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Time Atlas Labs Oy](https://appshunter.io/developer/1781744569) | [Igor Baum](https://appshunter.io/developer/1864412635) |

## What reviewers say

### Time Atlas

[App page](https://appshunter.io/ios/app/time-atlas-automatic-diary/id6738783076)

This app automatically records your daily activities, locations, and photos to create a comprehensive, private journal of your life. Effortlessly revisit past moments and rediscover your history with a curated visual timeline.

**Highlights:** Automatic location and activity capture, Daily life snapshots with full context, Explore past journeys and events, Curated daily stories with photos and maps, Private and encrypted on-device storage, Optional note-taking for added context

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Time Atlas Plus - Monthly | $8.99 | per month |
| Time Atlas Plus - Annual | $59.99 | per year |
| Time Atlas Plus - Lifetime | $199.99 | one-time |


### PerceptionGap

[App page](https://appshunter.io/ios/app/perceptiongap/id6757819434)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| Premium | $39.99 | per year |


## Frequently asked questions

### Is Time Atlas free?

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

### Is PerceptionGap free?

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

### Do Time Atlas or PerceptionGap have ads?

Neither Time Atlas nor PerceptionGap shows ads.

### Which is updated more often, Time Atlas or PerceptionGap?

Time Atlas ships an update every 5 days, and PerceptionGap weekly. Most recently, Time Atlas was updated on October 17, 2026 and PerceptionGap on October 2, 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.*