# CiS vs Accel Timer

The clearest difference is in-app purchases: CiS at none against Accel Timer's 3. Accel Timer's advantage is update cadence (every 4 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Accel Timer sells 3 one-off in-app purchases. CiS asks for nothing beyond the download.

CiS ships an update every 2 months, Accel Timer every 4 weeks. The most recent releases landed on November 6, 2026 and November 15, 2026 respectively.

## The numbers

| Metric | CiS | Accel Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Size | 58 MB | 80 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CEJN](https://appshunter.io/developer/1384445211) | [Florent Pottevin](https://appshunter.io/developer/826148163) |

## What reviewers say

### CiS

[App page](https://appshunter.io/ios/app/cis-cejn/id1384445212)

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

**In-app purchases:** none


### Accel Timer

[App page](https://appshunter.io/ios/app/accel-timer-gps-speedometer/id6764881084)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock full app | $0.99 | one-time |
| Unlock full app + Support developer | $1.99 | one-time |
| Legend Tip | $400.00 | one-time |


## Frequently asked questions

### Is CiS free?

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

### Is Accel Timer free?

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

### Do CiS or Accel Timer have ads?

Neither CiS nor Accel Timer shows ads.

### Which is updated more often, CiS or Accel Timer?

CiS ships an update every 2 months, and Accel Timer every 4 weeks. Most recently, CiS was updated on November 6, 2026 and Accel Timer on November 15, 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.*