# Renamer vs Math Sphere

The clearest difference is price: Math Sphere at Free against Renamer's $3.99. Math Sphere also leads on iOS requirement (13.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Math Sphere is free to download; Renamer costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Renamer ships an update monthly, Math Sphere every 3 weeks. The most recent releases landed on September 21, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Renamer | Math Sphere |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.5 (18 ratings)](https://appshunter.io/ios/app/renamer/id6739964693/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 1 MB | 25 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marco Tini](https://appshunter.io/developer/544232459) | [otsuki hayato](https://appshunter.io/developer/1828600192) |

## What reviewers say

### Renamer

[App page](https://appshunter.io/ios/app/renamer/id6739964693)

Organize your files quickly and effortlessly by renaming them in batches. Add prefixes, suffixes, search and replace text, and use counters or dates. Preview changes to avoid conflicts before applying them.

**Highlights:** Add prefixes and suffixes, Search and replace text, Rename files in subfolders, Use counters and padded numbers, Insert dates into file names, Sort files by various criteria, Preview renaming results

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

**In-app purchases:** none


### Math Sphere

[App page](https://appshunter.io/ios/app/math-sphere/id6749747366)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Renamer free?

Renamer costs $3.99, with no in-app purchases.

### Is Math Sphere free?

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

### Do Renamer or Math Sphere have ads?

Neither Renamer nor Math Sphere shows ads.

### Which is updated more often, Renamer or Math Sphere?

Renamer ships an update monthly, and Math Sphere every 3 weeks. Most recently, Renamer was updated on September 21, 2026 and Math Sphere on September 7, 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.*