# Quadratic Equation Roots vs TMU

The clearest difference is in-app purchases: TMU at none against Quadratic Equation Roots's 8. Quadratic Equation Roots's advantage is iOS requirement (15.0 vs 18.3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Quadratic Equation Roots sells 8 one-off in-app purchases. TMU asks for nothing beyond the download.

Quadratic Equation Roots ships an update every 3 weeks, TMU fortnightly. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Quadratic Equation Roots | TMU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/quadratic-equation-roots/id1280322061/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 179 MB | 2 MB |
| Requires iOS | **15.0** | 18.3 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Yoshito Suzuki](https://appshunter.io/developer/1876705176) |

## What reviewers say

### Quadratic Equation Roots

[App page](https://appshunter.io/ios/app/quadratic-equation-roots/id1280322061)

Easily find the zeros of a function using the pq formula. Input values for p and q, and the app calculates the solution. Features include a history of calculations and the ability to share results.

**Highlights:** PQ formula calculation, Input p and q values, History of calculations, Shareable solutions, Fraction input support, Ad removal option

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $1.99 | one-time |
| Lifetime Access | $1.99 | one-time |


### TMU

[App page](https://appshunter.io/ios/app/tmu/id6785837409)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quadratic Equation Roots free?

Quadratic Equation Roots is free to download, with in-app purchases available.

### Is TMU free?

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

### Do Quadratic Equation Roots or TMU have ads?

Neither Quadratic Equation Roots nor TMU shows ads.

### Which is updated more often, Quadratic Equation Roots or TMU?

Quadratic Equation Roots ships an update every 3 weeks, and TMU fortnightly. Most recently, Quadratic Equation Roots was updated on November 11, 2026 and TMU on November 5, 2026.

---

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