# SEAR vs Peak Flow Log

The clearest difference is ads: Peak Flow Log at none against SEAR's shown. SEAR's advantage is update cadence (every 2 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. SEAR sells 1 one-off in-app purchase and Peak Flow Log sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SEAR ships an update every 2 days, Peak Flow Log every 3 weeks. The most recent releases landed on November 5, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | SEAR | Peak Flow Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/peak-flow-log-asthma-diary/id6794622470/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Laurent ABITBOL](https://appshunter.io/developer/1844389313) | [Yoshifumi Sato](https://appshunter.io/developer/6780413827) |

## What reviewers say

### SEAR

[App page](https://appshunter.io/ios/app/sear-hiit-interval-timer/id6789998956)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Peak Flow Log

[App page](https://appshunter.io/ios/app/peak-flow-log-asthma-diary/id6794622470)

Record your peak flow readings and visualize your asthma zones. Log reliever puffs, symptoms, and triggers to track trends and generate PDF reports for your doctor. Your data stays private and works offline.

**Highlights:** Visualize asthma zones (Green, Yellow, Red), Log reliever puffs, symptoms, and triggers, Track trends over time, Create shareable PDF reports, Offline functionality, Multi-user support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peak Flow Log Pro | $3.99 | one-time |


## Frequently asked questions

### Is SEAR free?

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

### Is Peak Flow Log free?

Peak Flow Log is free to download, with in-app purchases available.

### Do SEAR or Peak Flow Log have ads?

SEAR shows ads; Peak Flow Log does not.

### Which is updated more often, SEAR or Peak Flow Log?

SEAR ships an update every 2 days, and Peak Flow Log every 3 weeks. Most recently, SEAR was updated on November 5, 2026 and Peak Flow Log on November 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*