# TIME LOCKER vs MathMerge

The clearest difference is update cadence: MathMerge at daily against TIME LOCKER's every 2 months. TIME LOCKER's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TIME LOCKER sells 8 one-off in-app purchases and MathMerge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

TIME LOCKER ships an update every 2 months, MathMerge daily. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TIME LOCKER | MathMerge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (346 ratings)](https://appshunter.io/ios/app/time-locker-shooter/id1114692553/reviews)** | — |
| Number of ratings | **346** | — |
| Positive reviews | 85.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 87 MB | 18 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [sotaro otsuka](https://appshunter.io/developer/1114692552) | [Derrick Goodfriend](https://appshunter.io/developer/313135856) |

## What reviewers say

### TIME LOCKER

[App page](https://appshunter.io/ios/app/time-locker-shooter/id1114692553)

Control the flow of time with a single touch in this minimalist shooter. Slow down time by moving cautiously, or speed it up with aggressive maneuvers. Outmaneuver relentless enemies and upgrade your abilities to achieve a high score.

**Highlights:** Time control with one finger, Minimalist shooter gameplay, Enemy variety (animals, T-Rex), Character and equipment upgrades, High score chasing

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PANDA | $0.99 | one-time |
| GREEN MARKER | $0.99 | one-time |
| GORI WRAP | $0.99 | one-time |
| TORTOISE | $0.99 | one-time |
| PENGUIN | $0.99 | one-time |
| HUSKY | $0.99 | one-time |
| ALLO SAURUS | $0.99 | one-time |
| BIG COIN | $2.99 | one-time |

**What reviewers like**

- 🚀 Fun and addictive gameplay
- 👍 Unique and innovative concept
- 🎨 Appealing pixel art style
- 💰 Fair monetization with optional ads

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🕹️ Challenging controls and difficulty
- 🔁 Temporary character unlocks frustrate
- 🔍 Enemies can be hard to see

**Reported bugs**

- Ads not working properly
- Saved progress getting lost
- Compatibility issues on older devices

**Requested features**

- Permanent character unlocks
- Difficulty options or customization
- Expanded weapon and enemy variety
- Improved visibility and UI elements


### MathMerge

[App page](https://appshunter.io/ios/app/mathmerge/id6479450547)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is TIME LOCKER free?

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

### Is MathMerge free?

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

### Do TIME LOCKER or MathMerge have ads?

Both TIME LOCKER and MathMerge show ads.

### Which is updated more often, TIME LOCKER or MathMerge?

TIME LOCKER ships an update every 2 months, and MathMerge daily. Most recently, TIME LOCKER was updated on October 21, 2026 and MathMerge on October 25, 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.*