# Aiera vs Per Diem

The clearest difference is rating: Aiera at 4.8 against Per Diem's 4.0. Aiera also leads on in-app purchases (none vs 2) and ratings volume (18 vs 2). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Per Diem sells 2 in-app purchases, starting at $8.99 per month. Aiera asks for nothing beyond the download.

Aiera holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Aiera has 18 ratings behind it against 2, so its average is the more settled of the two.

Aiera ships an update fortnightly, Per Diem every 10 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Aiera | Per Diem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (18 ratings)](https://appshunter.io/ios/app/aiera/id1455974709/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/per-diem-path-to-fi/id6749600123/reviews) |
| Number of ratings | **18** | 2 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | **Free** | Subscription |
| Size | 22 MB | 65 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AIERA, Inc.](https://appshunter.io/developer/1454735994) | [Per Diem, LLC](https://appshunter.io/developer/1831373169) |

## What reviewers say

### Aiera

[App page](https://appshunter.io/ios/app/aiera/id1455974709)

Access and stream critical investor events like earnings calls and conference presentations with live audio and speech-to-text transcription. Manage your investment workflow on the go with features like DVR-like playback, search, document viewing, and offline downloads.

**Highlights:** Live audio streaming, Live speech-to-text transcription, DVR-like playback controls, Search across events and companies, View supporting event documents, Offline event downloads, Automated event summaries

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

**In-app purchases:** none


### Per Diem

[App page](https://appshunter.io/ios/app/per-diem-path-to-fi/id6749600123)

This app helps households understand their spending, savings, and long-term retirement plans in one place. It offers live account syncing, budgeting tools, and financial projections to model future scenarios and major life decisions.

**Highlights:** Live account sync, Budgeting tools, FIRE planning, Financial projections, Goal modeling, AI-powered financial insights

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Subscription (monthly) | $8.99 | per month |
| Pro Subscription (annual) | $89.99 | per year |


## Frequently asked questions

### Is Aiera free?

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

### Is Per Diem free?

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

### Which has better reviews, Aiera or Per Diem?

Aiera is rated higher. Aiera averages 4.8 out of 5 from 18 ratings, while Per Diem averages 4.0 from 2 ratings.

### Do Aiera or Per Diem have ads?

Neither Aiera nor Per Diem shows ads.

### Which is updated more often, Aiera or Per Diem?

Aiera ships an update fortnightly, and Per Diem every 10 days. Most recently, Aiera was updated on November 2, 2026 and Per Diem on October 30, 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.*