Comparison

NagTag vs Compress

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

NagTag

Features
Read full description

Create a reminder in a fraction of a second: Snap a pic and we’ll pop up a notification every half hour to make sure you don't forget. Perfect if you've left something on the stove or need to remember to let the dog back in. How does it work? 1. Snap a pic of what you need to remember 2. Get a notification every half hour for the next ten hours to make sure you don't forget it 3. Dismiss the nag notification when you're done

About

Compress

Easily reduce video file sizes on your iPhone or iPad. This app also generates SRT caption files using on-device transcription and offers translation into 23 languages, all while keeping your data private.

Highlights
  • Video compression
  • Batch compression (up to 10 videos)
  • Customizable compression settings
  • On-device SRT caption generation
  • Offline transcription
  • SRT translation (23 languages)
  • Privacy-focused
Features
Read full description

Compress-san is the easiest way to compress videos on your iPhone or iPad. Just select a video from your photo library, and queue up your video for compression. Select up to 10 videos for compression at once and add them to the queue. In the application settings, you can choose your desired compression settings, compressing video to sizes as low as low quality 480p. Compress-san also will use local on-device transcription models to create caption SRT files for your videos. Create subtitle text files locally and privately, with no audio or video leaving your device for creation of the SRTs. After an SRT is generated, you can also translate it into 23 different languages using local translation services. Compress-san is the simple and private way to cut your video sizes and create SRT subtitle transcription text files.

Screenshots

NagTag4 screens
Compress4 screens

Verdict

The call

The clearest difference is update cadence: Compress at every 2 weeks against NagTag's every 19 months. NagTag's advantage is iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

NagTag ships an update every 19 months, Compress every 2 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
NagTag versus Compress: the parameters behind the verdict, then further details
ParameterNagTagCompress
PriceFreeFree
Rating—4.4 (7 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—7 — better
Update frequencyEvery 19 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS13.0 — better18.0
Further details — not scored
Size14 MB12 MB
Age rating4+4+
DeveloperKOALABRAIN LTDCameron Banga

In-app purchases

None

NagTag

No in-app purchases

None

Compress

No in-app purchases

Questions

Is NagTag free?
NagTag is free to download, with no in-app purchases.
Is Compress free?
Compress is free to download, with no in-app purchases.
Do NagTag or Compress have ads?
Neither NagTag nor Compress shows ads.
Which is updated more often, NagTag or Compress?
NagTag ships an update every 19 months, and Compress every 2 weeks. Most recently, NagTag was updated on October 30, 2026 and Compress on October 24, 2026.

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