# ONNOA vs Satrelle Planner

The clearest difference is in-app purchases: ONNOA at none against Satrelle Planner's 1. ONNOA also leads on iOS requirement (15.0 vs 17.0). Satrelle Planner's advantage is update cadence (every 5 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Satrelle Planner sells 1 one-off in-app purchase. ONNOA asks for nothing beyond the download.

ONNOA ships an update every 4 weeks, Satrelle Planner every 5 days. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | ONNOA | Satrelle Planner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/onnoa-smarttimer/id6470661710/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 52 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ONNOA GbR](https://appshunter.io/developer/1713950654) | [HAND FORGED LLC](https://appshunter.io/developer/6786104861) |

## What reviewers say

### ONNOA

[App page](https://appshunter.io/ios/app/onnoa-smarttimer/id6470661710)

This app acts as a remote control for a physical camera accessory, enabling advanced time-lapse photography. It offers features like linear time-lapsing, interval ramping, and long exposure control for professional results.

**Highlights:** Remote triggering, Linear time-lapse, Interval ramping, Long exposure bulb mode, Presets

**Features:** macOS Compatibility

**In-app purchases:** none


### Satrelle Planner

[App page](https://appshunter.io/ios/app/satrelle-planner/id6786104859)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Satrelle Pro | $9.99 | one-time |


## Frequently asked questions

### Is ONNOA free?

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

### Is Satrelle Planner free?

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

### Do ONNOA or Satrelle Planner have ads?

Neither ONNOA nor Satrelle Planner shows ads.

### Which is updated more often, ONNOA or Satrelle Planner?

ONNOA ships an update every 4 weeks, and Satrelle Planner every 5 days. Most recently, ONNOA was updated on October 1, 2026 and Satrelle Planner on September 28, 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.*