# Reformat vs Theo

The clearest difference is rating: Reformat at 5.0 against Theo's 4.2. Reformat also leads on ads (none vs shown) and update cadence (weekly vs every 2 weeks). Theo's advantage is ratings volume (16 vs 1). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Reformat sells 1 one-off in-app purchase and Theo sells 9 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Reformat holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Theo has 16 ratings behind it against 1, so its average is the more settled of the two.

Reformat ships an update weekly, Theo every 2 weeks. The most recent releases landed on October 3, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Reformat | Theo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reformat-image-converter/id6443703159/reviews)** | [4.2 (16 ratings)](https://appshunter.io/ios/app/theo-stop-overthinking/id6759104892/reviews) |
| Number of ratings | 1 | **16** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 8 MB | 42 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Sascha Gordner](https://appshunter.io/developer/1626726579) | [Kilby Labs Inc.](https://appshunter.io/developer/6778542781) |

## What reviewers say

### Reformat

[App page](https://appshunter.io/ios/app/reformat-image-converter/id6443703159)

This app converts images to various formats like JPG, PNG, and HEIC directly on your device, ensuring your data remains private and conversions work offline. It supports batch conversions and can retain original image metadata.

**Highlights:** On-device image conversion, Supports JPG, PNG, HEIC, Batch image selection, Action extension for sharing, Optional metadata preservation, Image quality selection

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reformat Pro | $3.99 | one-time |


### Theo

[App page](https://appshunter.io/ios/app/theo-stop-overthinking/id6759104892)

This app helps you stop overthinking by guiding you through a structured analysis of your worries and decisions. It uses evidence-based reasoning to show you the actual probabilities of your concerns, replacing feelings with clarity.

**Highlights:** Structured journaling for worries, Evidence-based probability analysis, Interactive what-if sliders, Sensitivity analysis of evidence, Private thinking journal, Bayesian reasoning framework

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Theo Plus - Weekly Subscription | $4.99 | per 7 days |
| Theo Plus - Monthly Subscription | $9.99 | per month |
| Theo Plus - 3 Month Subscription | $12.99 | per 3 months |
| Theo Plus - Semiannual Subscription | $39.99 | per 6 months |
| Theo Plus - Annual Subscription | $39.99 | per year |
| Theo Plus - Semiannual Subscription | $39.99 | per 6 months |
| Theo Plus - Semiannual Subscription | $59.99 | per 6 months |
| Theo Plus - Annual Subscription | $69.99 | per year |
| Theo Plus - Annual Subscription | $99.99 | per year |


## Frequently asked questions

### Is Reformat free?

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

### Is Theo free?

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

### Which has better reviews, Reformat or Theo?

Reformat is rated higher. Reformat averages 5.0 out of 5 from 1 ratings, while Theo averages 4.2 from 16 ratings.

### Do Reformat or Theo have ads?

Theo shows ads; Reformat does not.

### Which is updated more often, Reformat or Theo?

Reformat ships an update weekly, and Theo every 2 weeks. Most recently, Reformat was updated on October 3, 2026 and Theo on October 20, 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.*