# Robot72 vs +Frames

The clearest difference is ads: +Frames at none against Robot72's shown. Robot72's advantage is ratings volume (14 vs 1). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Robot72 sells 2 one-off in-app purchases and +Frames sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Robot72 against 5.0 for +Frames. That said, the two scores are not equally well evidenced: Robot72 has 14 ratings behind it against 1, so its average is the more settled of the two.

Robot72 ships an update every 3 weeks, +Frames every 2 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Robot72 | +Frames |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (14 ratings)](https://appshunter.io/ios/app/robot72-iss-sstv-decoder/id6764195382/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/plus-frames/id6787722445/reviews)** |
| Number of ratings | **14** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 38 MB | 748 MB |
| Requires iOS | 18.2 | **18.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [晨阳 段](https://appshunter.io/developer/1791560858) | [LEVIN GIDEON MERANER](https://appshunter.io/developer/6787722447) |

## What reviewers say

### Robot72

[App page](https://appshunter.io/ios/app/robot72-iss-sstv-decoder/id6764195382)

Decode and send slow-scan television (SSTV) images from ham radio or the International Space Station. View ISS passes, save and share your creations, and even fix distorted images. Offers a free version with limitations and a one-time purchase Pro option.

**Highlights:** Decode SSTV audio to images, Send photos via SSTV, View ISS pass predictions, Support for 31 SSTV modes, Image correction and history, Optional Pro version with WAV export

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — Special Offer | $2.99 | one-time |
| Robot72 Pro | $4.99 | one-time |


### +Frames

[App page](https://appshunter.io/ios/app/plus-frames/id6787722445)

This app helps astrophotographers plan their shots by providing a sky atlas, equipment-specific target recommendations, and field-of-view previews. It also offers an AI assistant for personalized advice and project tracking for deep-sky objects.

**Highlights:** Sky atlas with millions of stars and deep-sky objects, Ranked target recommendations based on equipment and sky conditions, True field-of-view preview for cameras and eyepieces, Mosaic planning up to 4x4, Project tracking for exposures and filters, AI assistant for personalized astrophotography advice, Augmented Reality (AR) mode for target location

**Features:** iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is Robot72 free?

Robot72 is free to download, with in-app purchases available.

### Is +Frames free?

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

### Which has better reviews, Robot72 or +Frames?

+Frames is rated higher. Robot72 averages 4.9 out of 5 from 14 ratings, while +Frames averages 5.0 from 1 ratings.

### Do Robot72 or +Frames have ads?

Robot72 shows ads; +Frames does not.

### Which is updated more often, Robot72 or +Frames?

Robot72 ships an update every 3 weeks, and +Frames every 2 weeks. Most recently, Robot72 was updated on November 9, 2026 and +Frames on November 5, 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.*