Comparison

Lento vs AstroFinish

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

Head to head
About

Lento

Create stunning long exposure photos in real-time without needing special filters. Achieve silky smooth water, capture light trails, and remove moving objects from your shots. Offers manual controls and professional export options.

Highlights
  • Real-time long exposure stacking
  • Silky smooth water and cloud effects
  • Light trail capture
  • Ghost removal for moving objects
  • Manual camera controls (ISO, focus, exposure)
  • RAW DNG and HEIF export
  • Live exposure preview
Features
Read full description

Lento stacks camera frames in real-time to create long exposures on iPhone. Silky waterfalls, streaking car lights, empty landmarks. No ND filter, no guesswork. SMOOTH Blur water and clouds into silk. Point at a waterfall, tap the shutter, and watch it smooth out frame by frame. LIGHT TRAIL Capture every streak of light. Car headlights, neon signs, star trails - the brightest pixel wins. GHOST REMOVE Tourists keep walking through your shot? Lento fades them out. The static scene stays, and people who keep moving disappear. MANUAL CONTROLS ISO, focus, exposure duration, self-timer. Live readouts update as you shoot. Built for photographers who want precision, not presets. PRO EXPORT RAW DNG (16-bit), HEIF, or JPEG. 8 megapixels with EXIF metadata - ISO, aperture, focal length. GPS is optional (off by default) and saved in HEIF/JPEG only. REAL-TIME PREVIEW Watch the exposure build live, so you know when to stop. BUILT FOR IPHONE GPU-accelerated. No lag. No stutter. Dark interface that stays out of your way. Free: Smooth + Light Trail, HEIF, up to 5s. One watermarked export in total. Pro: All modes, RAW DNG, manual controls, exposures up to 60s plus Bulb, no watermark, unlimited exports. Privacy Policy: https://github.com/heocoi/privacy-policy/blob/main/lento.md Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

AstroFinish

Edit astrophotography images directly on your iPhone. Enhance deep-sky objects, clean up skies, and sharpen moon shots with specialized tools. Supports various image formats and offers batch processing for efficient editing.

Highlights
  • Auto Astro Polish
  • Deep Sky enhancement
  • Moon sharpening
  • Nebula and galaxy detail
  • Denoise and star reduction
  • Batch processing
  • RAW and FITS support
Features
Read full description

AstroFinish is a darkroom for astrophotography on iPhone. It is built for the shots that come off smart telescopes, backyard rigs, and late-night moon sessions: the ones that are almost there, but need a cleaner sky and a better finish. Start fast with Auto Astro Polish, Deep Sky, Moon Sharp, and other built-in looks. Or dial it in by hand with controls made for space photos, including black point, glow cleanup, nebula reveal, galaxy detail, denoise, star reduction, and moon sharpening. Import from Photos or Files, work with JPEG, PNG, HEIC, TIFF, RAW-style images, and FITS sessions, then export finished images or shareable before/after cards. Batch Finish helps run one look across a queue when you came home with more than one keeper. AstroFinish stays local. No account. No cloud upload. No tracking SDKs. Your captures stay on your iPhone unless you choose to share or save them. Built for: Smart telescope captures Deep-sky photos, nebulae, galaxies, star fields, and moon shots Quick fixes when the sky glow gets rude Manual finishing when you want the last word FITS reveal and stack workflows Local exports, share sheets, and before/after cards AstroFinish is for people who would rather be outside collecting photons than fighting a desktop editor at 1 a.m.

Screenshots

Lento4 screens
AstroFinish4 screens

Verdict

The call

The clearest difference is rating: AstroFinish at 4.9 against Lento's 1.0. AstroFinish also leads on in-app purchases (none vs 2) and ratings volume (8 vs 1). On price, update cadence, ads 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. Lento sells 2 in-app purchases, starting at $14.99 per year. AstroFinish asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

AstroFinish holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: AstroFinish has 8 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Lento ships an update every 6 days, AstroFinish every 4 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 5 level
Lento versus AstroFinish: the parameters behind the verdict, then further details
ParameterLentoAstroFinish
PriceFreeFree
Rating1.0 (1 ratings)4.9 (8 ratings) — better
Number of ratings18 — better
Update frequencyEvery 6 daysEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhoneiPhone
Requires iOS17.017.0
Further details — not scored
Size13 MB11 MB
Age rating4+4+
DeveloperAnh PhongCody Adams

Customer experience

Lento

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

AstroFinish

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Lento

Subscriptions1
  • Lento Pro7 Days trial$14.991 Year
One-time1
  • Lento Pro$29.99
None

AstroFinish

No in-app purchases

Questions

Is Lento free?
Lento is free to download, with in-app purchases available.
Is AstroFinish free?
AstroFinish is free to download, with no in-app purchases.
Which has better reviews, Lento or AstroFinish?
AstroFinish is rated higher. Lento averages 1.0 out of 5 from 1 ratings, while AstroFinish averages 4.9 from 8 ratings.
Do Lento or AstroFinish have ads?
Neither Lento nor AstroFinish shows ads.
Which is updated more often, Lento or AstroFinish?
Lento ships an update every 6 days, and AstroFinish every 4 days. Most recently, Lento was updated on November 9, 2026 and AstroFinish on October 31, 2026.

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